Ac refrigerant leak. A refrigerator should be transported in an upright position. Laying a refrigerator on its side can cause oil to leak into the cooling tubes, which may cause permanent damage. Movin...Freon Leak Fix. The average cost to fix a Freon leak is $200 to $1,500 (CAD 273 to CAD 2,048). When there are holes or corrosion on the coils where the refrigerant lives, leaks occur. The refrigerant is important for an air conditioner. If the level is too low, the air may not be properly cooled off.In today’s digital age, having a strong online presence is crucial for businesses, especially for ace online stores. With the increasing popularity of e-commerce, it’s important to...Dizziness. Irregular heart rate. Headaches. Concentration problems. Luckily, Freon is not known to be carcinogenic or mutagenic and doesn’t have long term effects on health. Even so, you should seek medical help if you suspect a Freon leak in your home or workplace, especially if you have a history of heart issues.Here are some telltale signs that you have a refrigerant leak: 1. Frozen Evaporator Coils. You should suspect a leak if your evaporator coils go cold. These coils absorb heat within your AC unit to create chilled air. When refrigerant levels dip due to leaks, these coils will freeze and develop thick ice crystals.Use this guide to analyze and repair AC leaks. AC system leaks occur most frequently when one or more components malfunction. It's possible that one of your system's drain pans is cracked, or that your air filter or drain line is clogged, or AC sputters. These problems may lead to refrigerant leaks that impair the functionality of your system ...Is your GE refrigerator leaking water? Don’t panic. While it can be frustrating to deal with a leaking refrigerator, the good news is that there are often simple solutions to these...Feb 22, 2024 · Repairing a Freon or refrigerant leak costs between $250 and $1,550 on average, while water leaks cost between $125 and $325. ... An AC leak repair can quickly turn into a costly investment ... Jul 31, 2022 · Learn what AC refrigerant is, how it works, and why it leaks. Find out the common causes, signs and solutions for AC refrigerant leaks, and how to prevent them. A DuPont R-134a refrigerant. A refrigerant is a working fluid used in the refrigeration cycle of air conditioning systems and heat pumps where in most cases they undergo a repeated phase transition from a liquid to a gas and back again. Refrigerants are heavily regulated due to their toxicity, flammability and the contribution of CFC and HCFC …Sep 21, 2021 ... AC refrigerant leaks can cause your electricity bills to skyrocket. Here we explain how to spot the signs of refrigerant leaks.The Internet of Things—a world where most working objects are online in some fashion—promises to change everyday life and boost the economy. But who knew it could make it cheaper t...A refrigerant leak in air conditioners occurs when this liquid or gas seeps out of a damaged air conditioner through holes or cracks. Holes or openings inside the air …While attempting to recharge the AC refrigerant a leak occurred, forcing personnel to evacuate the room for their own safety. They intend to start the repair first … The Bubble Test: A Simple Method for Detecting Leaks. Another method for finding a leak is the bubble test. This involves applying a special bubble-generating solution to the suspected leak areas. If there’s a leak, the escaping refrigerant will cause the solution to form bubbles. This method is straightforward but may not be as effective for ... The refrigerant leak fix turned out to be to replace the old air handler which was over 20 years old. Sometimes fixing a refrigerant leak is not the best option. Condenser coils were leaking refrigerant. The air conditioning condenser coils had rubbed up against a screw and the vibration caused the screw to puncture the condenser coils. Jan 31, 2024 · When your AC stops running, the frozen condensation on the evaporator coils melts, and water drips on the floor. If you didn’t notice you had frozen evaporator coils, a puddle of water on the floor near your HVAC unit is also indicative of a refrigerant leak. 8. Increased Indoor Humidity. R22 refrigerant, or R22 Freon, is used in a number of AC systems built before 2010. It was discovered that the chemicals that makeup R22 are detrimental to the ozone layer. The Environmental Protection Agency (EPA) launched a 10-year plan in 2010 to phase out ozone-depleting substances. For homeowners with HVAC units that were built prior to ...To Download all Documents go here https://kentraining.wixsite.com/kentraining/download-all-forms-here KenLearn what AC refrigerant is, why it's important to maintain the correct levels, and how to detect and repair leaks in your AC system. Find out the common causes of refrigerant …Apr 21, 2023 · Addressing refrigerant leaks promptly is crucial to maintain your AC system’s efficiency and avoid further damage. If you suspect a refrigerant leak in your Bartlett, IL, home, don’t hesitate to call Bartlett Heating & Air Conditioning at (630) 372-7640 or fill out our online form to schedule a service appointment. Audible Leak Indicators: A hissing or bubbling noise might indicate that Freon is escaping from the AC unit. These sounds can arise from leaks in the refrigerant lines, coils, or the compressor itself.. Ice Formation: Ice buildup on the evaporator coils or refrigerant lines can signify a Freon leak. When there isn’t enough refrigerant to absorb heat, the remaining …Freon will leak from your air conditioning system if there is a crack or hole in an evaporator coil. The pressure built up in the coils needs somewhere to go, which can result in a hissing sound. A larger leak may cause a gurgling noise. 5. Your Electricity Bills are Inexplicably High.If you want to make the products you sell more appealing to your customers, check out the countertop display refrigerators for your store or bar. * Required Field Your Name: * Your...Learn how to identify and fix an AC refrigerant leak, a common problem that can cause your AC system to work harder, run longer, and emit refrigerant. Find out the signs of a refrigerant leak, such as higher bills, humidity, ice, and hissing sounds. Also, be aware of the symptoms of freon poisoning and the … See moreA dye test is one of the more effective ways to check for a refrigerant leak in your air conditioning system. Fluorescent dye is injected into your HVAC system during this procedure. The dye will pour through any leaks that exist after it has had enough time to circulate. Then, using a detection lamp, scan the HVAC system to find where the dye ...If the leak is in those areas, then the device won’t be able to detect it. 3. Drag the probe slowly along the line until the device emits a long beep. Hold onto the electronic base of the device and shift the detector slowly. Keep the probe straight, and make sure that it’s always touching the refrigerant line.Are you a military aspirant looking to ace the Armed Services Vocational Aptitude Battery (ASVAB) test? If yes, then you’ve come to the right place. The ASVAB is a comprehensive te...Causes of an AC Refrigerant Leak Broken Seals. If you're dealing with a refrigerant leak in an air conditioning system, chances are a broken seal or a puncture causes it. Broken seals can occur due to wear and tear, improper installation, or lack of maintenance. Leaks due to seal failure are usually more common because they can …pink eye makeup looksplaces to eat rochester mn Freon will leak from your air conditioning system if there is a crack or hole in an evaporator coil. The pressure built up in the coils needs somewhere to go, which can result in a hissing sound. A larger leak may cause a gurgling noise. 5. Your Electricity Bills are Inexplicably High.Oct 2, 2018 ... Four Signs of a Refrigerant Leak · Learn the red flags to let you know whether you have a refrigerant leak · Is your electric bill higher than .....But there are ways to fix refrigerant leaks, once you understand what caused them in the first place. The most common reasons for refrigerant leaks include: Flare is too small. Ridge on the flare. Sealant on threads. Leaking and/or missing Schrader caps. Missing TEV adjustment cap. Leaking neoprene o-rings.Jul 31, 2022 · Learn what AC refrigerant is, how it works, and why it leaks. Find out the common causes, signs and solutions for AC refrigerant leaks, and how to prevent them. Aprvtio Refrigerant Leak Detector with LED Light, Halogen Leak Detector Freon Gas Leakage Tester HVAC Air Condition R22 R410A R134A R1234YF CFCs HCFCs HFCs Indicator WJL-6000PRO Freon Sniffer 4.2 out of 5 stars 793The ACE test measures the level of angiotensin-converting enzyme (ACE) in the blood. The ACE test measures the level of angiotensin-converting enzyme (ACE) in the blood. A blood sa...A freon leak repair can lower the chance you’ll need to replace your entire AC system or cooling appliance. By having professional maintenance done regularly, certified technicians will check for signs of a freon leak in a refrigerator and your AC system. This way, you’ll minimize the chances of having any kind of trouble with a freon …Even a new AC unit can leak refrigerant if the unit vibrates excessively from improper installation. In addition, any damaged parts of the AC unit could cause Freon leaks. Signs of AC Refrigerant Leaks. Early identification of a refrigerant leak can mitigate the need for expensive repairs or replacement. There are several telltale signs of a ...Instead of second-guessing, give us a call to ensure your system is safely operating. Our trusted team will quickly and efficiently diagnose any potential refrigerant leaks in your system and help you determine the right repair. Broward: (954) 800-2858. Palm Beach: (561) 701-8274. camry hplesbian hook up Are you looking to become a certified professional coder (CPC)? If so, you’ll need to pass the CPC practice exam. Taking the practice exam is a great way to prepare for the real th...Learn what AC refrigerant is, why it's important to maintain the correct levels, and how to detect and repair leaks in your AC system. Find out the common causes of refrigerant …May 9, 2022 · Learn the causes, symptoms, and solutions for AC refrigerant leaks. Find out how to stop leaking AC refrigerant and restore your system to proper working order. Get tips on how to prevent and repair freon leaks from improper installation, metal erosion, factory defects, wear and tear, and more. Having an ice maker in your refrigerator is a great convenience, but it can be a source of frustration when it starts leaking water. Leaks can be caused by a variety of issues, fro... card counting practice Soapy Water. To detect AC refrigerant leaks, technicians often add soapy water to your AC unit to detect leaks in your system. The idea is that bubbles will form wherever there is a leak. 2. Electronic Detection. Using an electronic leak detector, our technicians can detect signs of an AC refrigerant leak on the exterior components of … chevy traverse 2024 release datewhat is non chlorine bleachbetterhelp careers Some of the signs of a refrigerant leak are: Ice on the evaporator coils. Noisy hissing and bubbling sounds. Higher than-average bills. Long cooling cycles (It takes a long time for the AC to cool the area to the desired temperature.) Increased humidity in the cooling area.Jul 6, 2019 ... How should you Handle a Refrigerant Leak for your home? This question could arise if you have been told you have a leak in your air ... corfu greece. 1. Air conditioning leak detector. Some older air conditioning units* use Freon as a form of refrigerant. Leaks caused by Freon are not always obvious to spot, so you may need to use alternative methods to identify a leak. *Mainly, this will be any air conditioning units installed before 2010, when manufacturers began phasing out the use of Freon.Aug 3, 2021 ... Whether in a gaseous or liquid state, exposure to refrigerants could cause many symptoms you may be experiencing. Symptoms may include irregular ... straight to the hell An air conditioning compressor repair hard start kit runs between $100 and $250. Depending on the damage, installing a new compressor often makes more sense to ensure a long-term fix. AC Freon Leak Repair Cost. A pro can detect an AC gas leak and repair it for between $225 and $1,600. The amount of time this project takes … The larger the hole, the more easily the solution will reveal a leak. Prepare a solution of soapy water, using about one liter of water and 0.5 teaspoon of dish soap. Spray the joints of the refrigerant lines with the solution. Look for large bubbles at the joints. Bubbles will indicate a Freon leak. The refrigerant leak fix turned out to be to replace the old air handler which was over 20 years old. Sometimes fixing a refrigerant leak is not the best option. Condenser coils were leaking refrigerant. The air conditioning condenser coils had rubbed up against a screw and the vibration caused the screw to puncture the condenser coils. A: Yes, leak detectors can be used in various applications beyond HVAC systems, such as automotive air conditioning, refrigeration units, and industrial cooling systems. By following these instructions and utilizing leak detectors, HVAC professionals can quickly and efficiently identify and address refrigerant leaks, ensuring the optimal ...Angiotensin-converting enzyme (ACE) inhibitors are medicines. They treat heart, blood vessel, and kidney problems. Angiotensin-converting enzyme (ACE) inhibitors are medicines. The... omega chair2023 toyota 4runner trd off road premium The Elitech ILD-200 is a reliable handheld refrigerant leak detector ideal for many applications. You can use it in environments with temperatures ranging from 14°F to 125.6°F and store it in conditions between -4°F to 140°F. A top feature is the TFT/LCD screen — making it the first of its kind to include such.Sep 14, 2023 · AC leak repair costs $200 to $1,500 on average to find and fix the leak and refill the Freon. Costs depend on the HVAC location, severity, leak test method, refrigerant prices, and replacement parts. An AC leak test costs $100 to $330 for detection only. Leaks in the refrigerant line cost the least to repair. mens boots most comfortable Whether you're looking for a commercial open-air refrigerator or an under-counter freezer, our list of the best commercial refrigerators certainly has something for you. * Required...Instead of second-guessing, give us a call to ensure your system is safely operating. Our trusted team will quickly and efficiently diagnose any potential refrigerant leaks in your system and help you determine the right repair. Broward: (954) 800-2858. Palm Beach: (561) 701-8274.Mar 1, 2023 · However, if you want to attempt to find the leak yourself, follow these steps: Turn off the AC: Before you start, turn off the AC unit to avoid any accidents or injuries. Check the Condenser Coil: The condenser coil is located outside and is responsible for removing heat from the refrigerant. Check for any signs of damage, such as corrosion or ... easy pass maineseason 9 dance moms If the refrigerant gas leak is in the air conditioning or heat pump copper tubing. a repair should be easy - the damaged line is re-soldered using high silver content solder and a high temperature torch. (We used MAPP gas for silver soldering of copper fittings, some technicians use Acetylene or other gases). Learn the signs, causes and solutions for an AC refrigerant leak. Find out how to patch or replace the cracked coil, and why it's important to call a professional for safe and …Here's a look at average costs for common AC coolant leak fixes: Evaporator coil replacement: $350–$1,000. Condenser coil replacement: $850–$1,100. Compressor replacement: $700–$1,200. Refrigerant/Freon™ refill: $100–$600. A technician may also charge you for time spent recharging your air conditioning unit after a leak has been …Repairing your leaky, old, and problematic AC system and topping off its refrigerant could cost almost half of much as a brand new, ENERGY STAR® A/C system would cost. You’re assured better performance, comfort, and efficiency with a new, highly rated SEER air conditioning unit. Call Today: (732) 741-6300.Feb 3, 2024 · A significant refrigerant leak can lead to irreparable damage to your AC system. Components like the compressor may suffer, resulting in costly repairs or the need for a complete system replacement. Understanding the signs of refrigerant leaks, seeking professional assistance, and addressing the issue promptly can safeguard your AC system’s ... Whether you’re good at taking tests or not, they’re a part of the academic life at almost every level, from elementary school through graduate school. Fortunately, there are some t...Learn how to identify and fix a refrigerant leak in your AC unit, which can cause warm air, frozen coils, higher bills and more. Find out why you should hire a licensed professional to handle any leaks and …Dec 15, 2023 · In general, owners or operators of an appliance that is leaking ozone-depleting refrigerant above the applicable trigger rate must either: Repair leaks within 30 days from the date the leak was discovered, or. Develop, within 30 days, a plan to retrofit or retire the appliance and complete the actions under that plan within 1 year. The LEAKFINDER LF016 BIGEZ air conditioning refrigerant leak detecting kit is made for AC leak detection. Our LF1800 multi-dose 8oz AC refrigerant leak detection ultraviolet fluorescent dye cartridge allows a mechanic to treat up to 64 automotive air conditioner systems utilizing the easy-to-use LF50 caulking gun-style dye injector. …A freon leak will often occur as part of larger damage to an air conditioner. If this is the case, you may need to pay additional AC repair costs along with the refrigerant refill price. Here are ...Aug 20, 2020 ... If the leak is caused by cracks or holes on the evaporator or condenser coils, you may need to solder to patch the damage before resupplying the ...R22 refrigerant, or R22 Freon, is used in a number of AC systems built before 2010. It was discovered that the chemicals that makeup R22 are detrimental to the ozone layer. The Environmental Protection Agency (EPA) launched a 10-year plan in 2010 to phase out ozone-depleting substances. For homeowners with HVAC units that were built prior to ... aperol negroni You may have a refrigerant leak that must be fixed if your air conditioner has stopped blowing cold air, is blowing warm air, or is simply not cooling as effectively as it once did. A common cause of AC refrigerant leaks is a clogged condensate drain line. You can fix a leaking refrigerant by accessing the condensate drain pipe, cleaning the pipe, …Jul 18, 2022 · The main sign of a Freon/refrigerant leak is an undercooling air conditioner. When a leak happens, the refrigerant in the system will be insufficient to absorb heat from the house meaning your air conditioner will be undercooling the house. The problem above can however also be caused by other air conditioner problems and not just a refrigerant ... EPA does not require homeowners to replace their existing equipment. As of January 1, 2020, no new HCFC-22 will be made or imported into the United States, but used HCFC-22 that is cleaned up to the same specifications as new refrigerant will continue to be available. The most important thing an equipment owner can do is to …Use this guide to analyze and repair AC leaks. AC system leaks occur most frequently when one or more components malfunction. It's possible that one of your system's drain pans is cracked, or that your air filter or drain line is clogged, or AC sputters. These problems may lead to refrigerant leaks that impair the functionality of your system ...3) Required quarterly/annual leak inspections or continuous monitoring devices for refrigeration and air-conditioning equipment that have exceeded the threshold leak rate. 4) Required owners/operators to submit reports to EPA if systems containing 50 or more pounds of refrigerant leak 125% or more of their full charge in one calendar year. packers vs cowboys prediction Here are some telltale signs that you have a refrigerant leak: 1. Frozen Evaporator Coils. You should suspect a leak if your evaporator coils go cold. These coils absorb heat within your AC unit to create chilled air. When refrigerant levels dip due to leaks, these coils will freeze and develop thick ice crystals.Aug 13, 2017 · Types of Leaks. There are two types of refrigerant leaks that you will run into. The first is intermittent. An intermittent leak is just that. It is not a constant leak and could be caused by vibrations, temperature changes, and load on your unit. (If it’s a hot day you will have more stress on your AC which may cause more leaks to occur.) Refrigerant is the gas used in air conditioners and heat pumps to transfer heat from the indoors to the outdoors (or the reverse in winter). R-22 refrigerant is a chlorofluorocarbon gas that was commonly used from the 1930s until the late 1980s when it became clear that this gas contributes to the depletion of the ozone layer.LeakFinder ultraviolet fluorescent universal dyes provide the most precise leak detection for all automotive air conditioning systems containing R-134a, R-1234yf, or other widely used refrigerants. The LEAKFINDER brand was designed to be a cost-effective solution for end-users in the automotive aftermarket. qiqi hair treatment We could detect a refrigerant leak in 7 below ways: 1. Visual Inspection. If you find somewhere in the system with oil traces, probably that is the leakage point. This inspection method can’t position precisely because the leakage point is usually very tiny and many parts of the refrigeration system are barely visible.The ACE test measures the level of angiotensin-converting enzyme (ACE) in the blood. The ACE test measures the level of angiotensin-converting enzyme (ACE) in the blood. A blood sa...Whatever refrigerant your air conditioner uses, it’s important to know that while an aircon gas leak is not common, it can happen and is easily identifiable. What Not to Do When Gas Leaks Occur. Air conditioner refrigerant leaks can occur for a number of reasons. They include: Substandard air con installation; Corrosion has damaged the …What are the Section 608 refrigerant management requirements for supermarkets and property and facility managers?1. This fact sheet summarizes the leak repair requirements. These provisions recently changed as a result of EPA’s 2020 update. The leak repair regulations apply to industrial process refrigeration (IPR), commercial refrigeration ... Learn the signs, causes and solutions for an AC refrigerant leak. Find out how to patch or replace the cracked coil, and why it's important to call a professional for safe and effective repairs. Jul 6, 2019 ... How should you Handle a Refrigerant Leak for your home? This question could arise if you have been told you have a leak in your air ... good off road suvfalling water frank lloyd wright C Refrigerant Leak: Causes, Signs, and How to Fix It- If your AC is blowing hot air, it could be due to a refrigerant leak. Learn the causes and signs, and how to fix it with this guide.Scotty Kilmer, mechanic for the last 48 years, shows how to find car air conditioning refrigerant leaks quickly. And believe it or not, it involves using sou...Audible Leak Indicators: A hissing or bubbling noise might indicate that Freon is escaping from the AC unit. These sounds can arise from leaks in the refrigerant lines, coils, or the compressor itself.. Ice Formation: Ice buildup on the evaporator coils or refrigerant lines can signify a Freon leak. When there isn’t enough refrigerant to absorb heat, the remaining …Learn how to identify and fix an AC freon leak, a common problem that affects your AC unit's efficiency and performance. Find out the causes, symptoms, and solutions for AC refrigerant leaks, and …Buy LEAKFINDER LF810 BIGEZ Air Conditioning Refrigerant Leak Detection Injection Kit - 8oz AC Leak Detector Dye, Caulking Gun Injector, R134A Hose Coupler, Made in USA: Air Conditioning Line Repair Tools - Amazon.com FREE DELIVERY possible on eligible purchasesXetron HVAC Refrigerant Leak Detector with UV LED,Automotive AC [R134A R410A R22 R1234YF] Freon Sniff Halogen Gas Leak Detector, 6 Adjustable Sensitivity, CFCs HCFCs HFCs HFOs CLD-100UV 4.3 out of 5 stars 773Commercial and industrial refrigeration and air conditioning systems leak too much refrigerant – leaks of up to 30% of the charge during a year are not uncommon. Leak rates do not have to be this high. Adherence to best practice in service, maintenance leak testing and repair can significantly reduce refrigerant losses. This guide shows you how.Symptoms of mild to moderate refrigerant poisoning may include: headache. irritation of eyes, ears, and throat. dizziness. frostbite if exposed to quickly expanding gas or liquid coolant. vomiting ...A significant refrigerant leak can lead to irreparable damage to your AC system. Components like the compressor may suffer, resulting in costly repairs or the need for a complete system replacement. Understanding the signs of refrigerant leaks, seeking professional assistance, and addressing the issue promptly can safeguard your AC …The refrigerant circulates through the AC components, converting from a gas to a liquid and back, absorbing and dissipating heat in the process. Correct coolant pressure ensures the effective refrigeration cycle, reducing the likelihood of …Low refrigerant is another possible cause of water leaking from your AC; low refrigerant can also lead to freezing evaporator coils and the melting that follows. Most often, slow refrigerant leaks in the valves …LeakFinder ultraviolet fluorescent universal dyes provide the most precise leak detection for all automotive air conditioning systems containing R-134a, R-1234yf, or other widely used refrigerants. The LEAKFINDER brand was designed to be a cost-effective solution for end-users in the automotive aftermarket. ohstrawburry May 11, 2021 ... What causes the AC Refrigerant to Leak? · Incorrect installation of an AC unit will lead to refrigerant leaks. · The metal components, such as ....You may have a refrigerant leak that must be fixed if your air conditioner has stopped blowing cold air, is blowing warm air, or is simply not cooling as effectively as it once did. A common cause of AC refrigerant leaks is a clogged condensate drain line. You can fix a leaking refrigerant by accessing the condensate drain pipe, cleaning the pipe, …Aug 12, 2019 ... The standard rule of thumb is if the result is $5,000 or more, it is time to replace the unit. So, if your unit is 10 years old and the repair ...Loss of most refrigerant from an air conditioning system means that the cooling coil will not get cool at all. Abnormally high output air temperature: A service technician will need to evaluate and test the system and if needed, find and fix the refrigerant leak, evacuate the system, and install the proper refrigerant charge. remote login software Whatever refrigerant your air conditioner uses, it’s important to know that while an aircon gas leak is not common, it can happen and is easily identifiable. What Not to Do When Gas Leaks Occur. Air conditioner refrigerant leaks can occur for a number of reasons. They include: Substandard air con installation; Corrosion has damaged the …Scotty Kilmer, mechanic for the last 48 years, shows how to find car air conditioning refrigerant leaks quickly. And believe it or not, it involves using sou...We could detect a refrigerant leak in 7 below ways: 1. Visual Inspection. If you find somewhere in the system with oil traces, probably that is the leakage point. This inspection method can’t position precisely because the leakage point is usually very tiny and many parts of the refrigeration system are barely visible.AC refrigerant leaks can be worrying, but they are extremely common. Let’s look at how to solve this common issue and keep your air conditioner running in top shape. Recharging Your Refrigerant. Recharging means to top up your air conditioner with more refrigerant. If your system is low on refrigerant, you won’t get enough cool … mercedes 190e evo 2how to get cna Freon will leak from your air conditioning system if there is a crack or hole in an evaporator coil. The pressure built up in the coils needs somewhere to go, which can result in a hissing sound. A larger leak may cause a gurgling noise. 5. Your Electricity Bills are Inexplicably High. The system uses refrigerant to cool air which can then be circulated around the cabin. Refrigerant can leak out of small cracks in the line or other components. Sometimes these leaks can be fixed by simply replacing a component that is leaking, but sometimes replacing a given part can be cost prohibitive, especially on an older car. That's ... drop off rug cleaning near me Buy InterDynamics Certified A/C Pro Super Seal Car Air Conditioner Refrigerant Stop Leak Kit, Repairs Metal Leaks and Seals Rubber Leaks in O Rings and Hoses, Includes Reusable Dispensing Hose, 3 Oz, InterDynamics: Air Conditioning Line Repair Tools - Amazon.com FREE DELIVERY possible on eligible purchasesChoosing the right air conditioning unit is extremely important, especially if you live in an area that gets really hot during the summer months or if it’s hot all year round. The ...A significant refrigerant leak can lead to irreparable damage to your AC system. Components like the compressor may suffer, resulting in costly repairs or the need for a complete system replacement. Understanding the signs of refrigerant leaks, seeking professional assistance, and addressing the issue promptly can safeguard your AC …WJL-6000 Portable Basic Corona Freon Leak Detector Better than Soap Detection . Featuring a corona sensor and advanced leak detection technology, WJL-6000 is our reliable HVAC leak detector with the functions of easy operation, stable function and great performance; It’s an ideal and economic ac halogen leak detector.Today we will go over the top 3 refrigerant leak detection methods. We will go over how to find a refrigerant or "freon" leak using these methods within the...Learn what AC refrigerant is, why it's important to maintain the correct levels, and how to detect and repair leaks in your AC system. Find out the common causes of refrigerant …Considering the greenhouse gas effect, EPA has ordered a phase-out of R22 by 2020. After 2020, R22 refrigerant is now completely banned, and it’s illegal to use R22 as an AC refrigerant. If your AC is old, chances are your AC uses the R 22 refrigerant. As the EPA has planned to phase out R22, these refrigerant prices are a record high.Instead of second-guessing, give us a call to ensure your system is safely operating. Our trusted team will quickly and efficiently diagnose any potential refrigerant leaks in your system and help you determine the right repair. Broward: (954) 800-2858. Palm Beach: (561) 701-8274.Apr 14, 2023 · Type of Air Conditioner: Common Issues: Average Repair Cost: Central AC unit: Refrigerant leak, drain clog, thermostat replacement, dirty outdoor condenser, dirty indoor evaporator coil: $100 — $4,200: Ductless mini-split: Refrigerant leak, circuit board malfunction, thermostat malfunction, frozen compressor coil: $150 — $1,000: Heat pump What are the Section 608 refrigerant management requirements for supermarkets and property and facility managers?1. This fact sheet summarizes the leak repair requirements. These provisions recently changed as a result of EPA’s 2020 update. The leak repair regulations apply to industrial process refrigeration (IPR), commercial refrigeration ...Today we will go over the top 3 refrigerant leak detection methods. We will go over how to find a refrigerant or "freon" leak using these methods within the... car wash boca raton Jun 22, 2020 ... Hissing Sounds: You will be able to hear a hissing sound if your AC unit has holes or cracks in the coils where the refrigerant is circulated. A ...An average food retail store leaks an estimated 25 percent of its refrigerant supply per year. For an individual store, the loss of R-404A (common refrigerant) at $7 per pound, can add up to a sizeable annual expense. Multiply that by the number of stores in the chain and the costs can be largely significant, not including the associated labor ... usaa email Commercial and industrial refrigeration and air conditioning systems leak too much refrigerant – leaks of up to 30% of the charge during a year are not uncommon. Leak rates do not have to be this high. Adherence to best practice in service, maintenance leak testing and repair can significantly reduce refrigerant losses. This guide shows you how.A ductless AC unit costs between $1,300 and $4,435, which makes this type of AC unit budget-friendly. Read on to learn more about ductless AC unit costs. Expert Advice On Improving...Other common problems with existing air conditioners result from faulty installation, poor service procedures, and inadequate maintenance. Improper installation of a central air conditioner can result in leaky ducts and low airflow. Many times, the refrigerant charge (the amount of refrigerant in the system) does not match the manufacturer's ...How to Find a Refrigerant Leak in an AC Unit! This is How I Knew There was a Refrigerant Leak, How I Found the Leak, What Methods I used for Detection, and W... samsung galaxy s23 fe review Codesignal is an online platform that helps employers assess the coding skills of potential candidates. It is a great way to quickly and accurately evaluate a candidate’s coding ab... Freon, a refrigerant, is crucial for the heat exchange process that cools your home. A leak reduces the amount of Freon, causing your system to struggle to cool the air. You’ll notice the air conditioner running longer cycles, yet the interior doesn’t reach the desired comfort level. This inefficiency can manifest as uneven cooling, with ... Audible Leak Indicators: A hissing or bubbling noise might indicate that Freon is escaping from the AC unit. These sounds can arise from leaks in the refrigerant lines, coils, or the compressor itself.. Ice Formation: Ice buildup on the evaporator coils or refrigerant lines can signify a Freon leak. When there isn’t enough refrigerant to absorb heat, the remaining …Today we will go over the top 3 refrigerant leak detection methods. We will go over how to find a refrigerant or "freon" leak using these methods within the...Xetron HVAC Refrigerant Leak Detector with UV LED,Automotive AC [R134A R410A R22 R1234YF] Freon Sniff Halogen Gas Leak Detector, 6 Adjustable Sensitivity, CFCs HCFCs HFCs HFOs CLD-100UV 4.3 out of 5 stars 773Mar 7, 2024 · 3. Attach the charging hose: Attach the charging hose to the service port on the air conditioner’s refrigerant lines. The service port is typically located near the condenser unit or on the suction line. Ensure that the connection is secure to prevent any leaks during the charging process. 4. The system uses refrigerant to cool air which can then be circulated around the cabin. Refrigerant can leak out of small cracks in the line or other components. Sometimes these leaks can be fixed by simply replacing a component that is leaking, but sometimes replacing a given part can be cost prohibitive, especially on an older car. That's ... If the leak is in those areas, then the device won’t be able to detect it. 3. Drag the probe slowly along the line until the device emits a long beep. Hold onto the electronic base of the device and shift the detector slowly. Keep the probe straight, and make sure that it’s always touching the refrigerant line.AC Spolka Akcyjna News: This is the News-site for the company AC Spolka Akcyjna on Markets Insider Indices Commodities Currencies StocksRefrigerant will leak from the line set until an HVAC technician roots out the source of the problem and makes a repair. 4 Ways an HVAC Technician Tests for Refrigerant Leaks. If you suspect a refrigerant leak is responsible for your client's system problem, you'll run tests to confirm and locate the source of the leak.Here are some telltale signs that you have a refrigerant leak: 1. Frozen Evaporator Coils. You should suspect a leak if your evaporator coils go cold. These coils absorb heat within your AC unit to create chilled air. When refrigerant levels dip due to leaks, these coils will freeze and develop thick ice crystals.Refrigerant Leak. An Air Conditioner leak is the most common air conditioning problem. A refrigerant leak may look like the image below, or it may leak as a gas that is harder to detect. If there is a gas leak, it’s likely that the air pressure and cooling ability of the AC unit will be compromised. Leaks can lead to multiple problems such as ...Dizziness. Irregular heart rate. Headaches. Concentration problems. Luckily, Freon is not known to be carcinogenic or mutagenic and doesn’t have long term effects on health. Even so, you should seek medical help if you suspect a Freon leak in your home or workplace, especially if you have a history of heart issues.Learn how refrigerant leaks can affect your HVAC efficiency, the environment and your health. Find out the common causes of leaks and how to prevent them with …Causes of an AC Refrigerant Leak Broken Seals. If you're dealing with a refrigerant leak in an air conditioning system, chances are a broken seal or a puncture causes it. Broken seals can occur due to wear and tear, improper installation, or lack of maintenance. Leaks due to seal failure are usually more common because they can … sam sulek dietbrian simpson musician Feb 3, 2024 · A significant refrigerant leak can lead to irreparable damage to your AC system. Components like the compressor may suffer, resulting in costly repairs or the need for a complete system replacement. Understanding the signs of refrigerant leaks, seeking professional assistance, and addressing the issue promptly can safeguard your AC system’s ... healthy food restaurants 5. Black Light. One good thing about the UV dye method mentioned above is that I can turn on a black light to help find the leak. A UV light illuminates the dye, which makes it easy to spot. A black light is great for finding small leaks or holes in the coils where the leaking dye is not visible to the naked eye.Dec 7, 2023 ... Refrigerant leaks often occur due to poor installation of some aspects of your unit. For instance, if the flare connections are overtightened, ...This is the most permanent fix other than replacing the air conditioner all together. As most refrigerant leaks are found at the indoor coil, an evaporator coil can be replaced to fix a leak. By hiring a professionally licensed HVAC company to replace this coil for you, you can expect to spend anywhere between $1,200-2,000 depending on the ...1. Air conditioning leak detector. Some older air conditioning units* use Freon as a form of refrigerant. Leaks caused by Freon are not always obvious to spot, so you may need to use alternative methods to identify a leak. *Mainly, this will be any air conditioning units installed before 2010, when manufacturers began phasing out the use of Freon.WJL-6000 Portable Basic Corona Freon Leak Detector Better than Soap Detection . Featuring a corona sensor and advanced leak detection technology, WJL-6000 is our reliable HVAC leak detector with the functions of easy operation, stable function and great performance; It’s an ideal and economic ac halogen leak detector.AC refrigerant leaks can be worrying, but they are extremely common. Let’s look at how to solve this common issue and keep your air conditioner running in top shape. Recharging Your Refrigerant. Recharging means to top up your air conditioner with more refrigerant. If your system is low on refrigerant, you won’t get enough cool …Choosing the right air conditioning unit is extremely important, especially if you live in an area that gets really hot during the summer months or if it’s hot all year round. The ...Feb 6, 2024 · This can occur when someone intentionally inhales Freon for a “high.”. Early symptoms include a headache, nausea, dizziness, and irritated eyes, nose, and throat. With continued exposure, the symptoms can progress to loss of consciousness, seizures, and eventually death. A leak in your home doesn’t expose you to the high concentration of ... Feb 7, 2024 · Plus, leak detectors have varying price points, so technicians must make an informed investment to match their needs. I have researched, tried, and tested the best leak detectors on the market to find the most reliable models and eventually narrowed it down to the top 6. 1. Fieldpiece SRL8. Most people use the term AC condenser to refer to the part of the air conditioning system that sits outside the home, even though this part of the system has more components that j...Aug 13, 2017 · Types of Leaks. There are two types of refrigerant leaks that you will run into. The first is intermittent. An intermittent leak is just that. It is not a constant leak and could be caused by vibrations, temperature changes, and load on your unit. (If it’s a hot day you will have more stress on your AC which may cause more leaks to occur.) You can fix a leaking refrigerant by accessing the condensate drain pipe, cleaning the pipe, and draining the filters. However, if the leak persists, contact a …However, leaks aren’t the only reasons why your car may be blowing hot air, so it’s best to get an A/C performance check to figure out the root cause of your A/C issues. 2. You hear a clicking sound when your A/C is running. If you notice a clicking noise while your car A/C is running, your compressor might be short cycling.Commercial and industrial refrigeration and air conditioning systems leak too much refrigerant – leaks of up to 30% of the charge during a year are not uncommon. Leak rates do not have to be this high. Adherence to best practice in service, maintenance leak testing and repair can significantly reduce refrigerant losses. This guide shows you how.Aug 10, 2020 · Learn how to detect and fix an AC refrigerant leak, a common problem that can affect the efficiency and comfort of your HVAC system. Find out the possible causes, symptoms, and health risks of refrigerant leaks, as well as the benefits of R-22 refrigerant replacement. Apr 24, 2023 · Refrigerant enhances your AC’s cooling capacity. Frozen coils, a warmer home, and higher electric bills can signal a refrigerant leak. Barring any leaks, the refrigerant in an AC unit should last 10 to 20 years. Contact a licensed professional to handle any leaks. all inclusive cabo san lucas adults onlypainting garage door The main sign of a Freon/refrigerant leak is an undercooling air conditioner. When a leak happens, the refrigerant in the system will be insufficient to absorb heat from the house meaning your air conditioner will be undercooling the house. The problem above can however also be caused by other air conditioner problems and …An air conditioner recharge costs $100 to $320 on average for AC units with R410A refrigerant or $180 to $600 for older AC units using R22 Freon. AC units never need more refrigerant unless there is a leak or the refill is part of a repair.Troubleshooting a GE refrigerator water leak requires pinpointing the specific problem. Common causes of water leaks include problems with the drip pan, drain tube or water valve, ...Why Air Conditioner Refrigerant Leaks Can Be Dangerous. An AC unit that is leaking coolant can cause numerous problems. If you are exposed to leaking coolant, you might find that you are feeling dizzy, short of breath, lacking focus and lacking coordination. Skin rashes are another problem that can happen if you come directly in contact with ...Buy Aprvtio Refrigerant Leak Detector with LED Light, Halogen Leak Detector Freon Gas Leakage Tester HVAC Air Condition R22 R410A R134A R1234YF CFCs HCFCs HFCs Indicator WJL-6000PRO Freon Sniffer: Air Conditioning Line Repair Tools - Amazon.com FREE DELIVERY possible on eligible purchasesAre you getting ready to take your DMV written test? If so, you’re probably feeling a little overwhelmed. After all, the written test is an important part of getting your driver’s ... how long does it take to become a detective 2. Warm Air: If your AC is blowing warm air instead of cold, it may be due to insufficient refrigerant levels caused by a leak. 3. Hissing or Bubbling Sounds: Unusual sounds coming from your AC unit, such as hissing or bubbling noises, could indicate a refrigerant leak. 4. Ice Buildup:Aug 20, 2020 ... If the leak is caused by cracks or holes on the evaporator or condenser coils, you may need to solder to patch the damage before resupplying the ...The buildup of refrigerant poison can negatively impact vital organs, including your liver and brain. The buildup can also become habit-forming. Regular or long-term misuse may also result in ...From there, it will change form to a gas that’s heavier than air, circulating just above the floor. This makes it especially dangerous for small children and pets, who spend a great deal of time on the floor. Of course, a refrigerant leak is hazardous to anyone in the house, but pets and children are at greater risk than adults. beautypediahow to get white clothes white again May 9, 2022 · Learn the causes, symptoms, and solutions for AC refrigerant leaks. Find out how to stop leaking AC refrigerant and restore your system to proper working order. Get tips on how to prevent and repair freon leaks from improper installation, metal erosion, factory defects, wear and tear, and more. The refrigerant in an AC unit is a chemical compound known as R22. Manufacturers usually insert this in the gaseous form at lower pressure in the compressor of the AC. The functioning of every AC relies heavily on the volume of refrigerant that is present in it. Therefore, every technician carrying out AC service in […] nba in season tourbament Feb 7, 2024 · Plus, leak detectors have varying price points, so technicians must make an informed investment to match their needs. I have researched, tried, and tested the best leak detectors on the market to find the most reliable models and eventually narrowed it down to the top 6. 1. Fieldpiece SRL8. Apr 11, 2023 · If the leak is in those areas, then the device won’t be able to detect it. 3. Drag the probe slowly along the line until the device emits a long beep. Hold onto the electronic base of the device and shift the detector slowly. Keep the probe straight, and make sure that it’s always touching the refrigerant line. An AC leak sealer is a product that works by reacting to the temperature when the refrigerant is flowing out from a pinhole in the AC pipe. When reacting to the leak location’s temperature, it will become a hard sealer instead of a liquid, and therefore it … usaf emailkey stuck in ignition won't come out The Elitech ILD-200 is a reliable handheld refrigerant leak detector ideal for many applications. You can use it in environments with temperatures ranging from 14°F to 125.6°F and store it in conditions between -4°F to 140°F. A top feature is the TFT/LCD screen — making it the first of its kind to include such.Sep 1, 2022 · Soapy Water. To detect AC refrigerant leaks, technicians often add soapy water to your AC unit to detect leaks in your system. The idea is that bubbles will form wherever there is a leak. 2. Electronic Detection. Using an electronic leak detector, our technicians can detect signs of an AC refrigerant leak on the exterior components of your unit. Here are some telltale signs that you have a refrigerant leak: 1. Frozen Evaporator Coils. You should suspect a leak if your evaporator coils go cold. These coils absorb heat within your AC unit to create chilled air. When refrigerant levels dip due to leaks, these coils will freeze and develop thick ice crystals.Oct 2, 2018 ... Four Signs of a Refrigerant Leak · Learn the red flags to let you know whether you have a refrigerant leak · Is your electric bill higher than .....Sep 12, 2017 · 5 signs of an AC refrigerant leak. 1. Loss of cooling power. Refrigerant plays an extremely important role in the cooling process. It’s the refrigerant’s job to absorb the heat from your home and release it outside. If your refrigerant levels are depleted, it will take longer to cool your home or business. 2. Learn how to detect, locate, and fix refrigerant leaks in your air conditioner, a common problem that can affect its efficiency and performance. …May 11, 2021 ... What causes the AC Refrigerant to Leak? · Incorrect installation of an AC unit will lead to refrigerant leaks. · The metal components, such as .... A refrigerant leak is akin to a twisted ankle or a sprained knee. It hampers its speed, forcing it to work harder and yet underperform. Detecting and fixing a leak promptly is like providing the necessary medical intervention, helping your AC get back in the race, running smoothly and efficiently. Mar 1, 2021 · Table of contents. Interdynamics EZ Chill Refrigerant. Interdynamics Certified A/C Pro R-134a PAG 46 Refrigerant Oil. A/C Pro Professional Formula Refrigerant. Carquest A/C Products R-134a ... If the refrigerant gas leak is in the air conditioning or heat pump copper tubing. a repair should be easy - the damaged line is re-soldered using high silver content solder and a high temperature torch. (We used MAPP gas for silver soldering of copper fittings, some technicians use Acetylene or other gases). Here are some telltale signs that you have a refrigerant leak: 1. Frozen Evaporator Coils. You should suspect a leak if your evaporator coils go cold. These coils absorb heat within your AC unit to create chilled air. When refrigerant levels dip due to leaks, these coils will freeze and develop thick ice crystals.AC refrigerant leaks can be worrying, but they are extremely common. Let’s look at how to solve this common issue and keep your air conditioner running in top shape. Recharging Your Refrigerant. Recharging means to top up your air conditioner with more refrigerant. If your system is low on refrigerant, you won’t get enough cool …how to fix and find an ac leak detector in your car or truck using dye. A/c Dye is an effective way to find a Freon or refrigerant leak. I will Show you Ever...Apr 24, 2023 · Refrigerant enhances your AC’s cooling capacity. Frozen coils, a warmer home, and higher electric bills can signal a refrigerant leak. Barring any leaks, the refrigerant in an AC unit should last 10 to 20 years. Contact a licensed professional to handle any leaks. Aprvtio Refrigerant Leak Detector with LED Light, Halogen Leak Detector Freon Gas Leakage Tester HVAC Air Condition R22 R410A R134A R1234YF CFCs HCFCs HFCs Indicator WJL-6000PRO Freon Sniffer 4.2 out of 5 stars 793Troubleshooting a GE refrigerator water leak requires pinpointing the specific problem. Common causes of water leaks include problems with the drip pan, drain tube or water valve, ... gyms in temeculanividia driver Turn the air conditioner off and wipe any water off the floor. Open the grille on the front and, if necessary, remove the air filter and look for ice on the evaporator coils. If the coils are iced over, leave the unit off to melt the ice and put a bucket underneath to catch the water. If that’s not the issue, leave the air conditioner off ... tinder signs An electronic leak detector can be used to determine if an AC unit is leaking Freon. This will identify the general location of the leak, and with a leak detection mixture, the exact site of the hole can then be identified. Once the source of the Freon leak is uncovered, the HVAC technician has to fix the problem with a couple of options.Thawing Frozen Evaporator Coils. When the evaporator coils of an air conditioning unit freeze over, it can cause water to accumulate and eventually lead to leaks. Thawing the frozen evaporator coils is necessary to prevent this issue. To do this, the AC unit must be turned off to prevent further damage to the system.Mar 5, 2024 · Refrigerant cools the air before it gets sent throughout your house. The system recirculates refrigerant, so you will only need more if there’s a leak. AC Freon leaks can be dangerous, with exposure potentially leading to coughing, vomiting, dizziness, headaches, and nausea, according to the Missouri Poison Center. So, be sure to turn off ... Learn what a refrigerant leak is, how to detect it, and how to fix it. Find out the causes, symptoms, impact, and environmental implications of refrigerant leaks. Discover … Introduction to AC Refrigerant Leaks. Air conditioning (AC) systems are an essential part of modern living, providing comfort and convenience to homes and businesses alike. However, AC systems are not immune to issues, and one of the most common problems faced by homeowners and facility managers is refrigerant leaks. May 2, 2022 ... Refrigerant leaks are a problem because they can cause an issue for the overall cooling process for the AC systems and even damage the ...When it comes to installing a new AC unit, many homeowners focus solely on the upfront cost of the equipment itself. However, there are several hidden costs associated with a new A...Sep 21, 2021 ... AC refrigerant leaks can cause your electricity bills to skyrocket. Here we explain how to spot the signs of refrigerant leaks.Ridge on the flare. Cutting a piece of copper tubing with a tube cutter (even one with a sharp cutting wheel) will leave a ridge on the inside of the tubing. A deburring tool must be used to remove the ridge otherwise the flare will have a ridge on it. Blade deburring tools will yield the best results, leaving a smooth surface inside the tubing.A leak causes ice to form on the coil and other parts of the air conditioner. Ice buildup on your AC stops it from cooling. The air conditioning system experiences a reduced amount of airflow because of the coil ice buildup. You may notice ice on the copper refrigeration lines, which run to the outside condenser.Feb 21, 2024 · If water builds up in the element next to the condensate drain line (the condensate drain pan), it can clog and leak over time. 1. Access the Condensate Drain Pipe. To fix an AC leak, start by locating the condensate drain pipe, usually outside your home. Look for a white or copper pipe near the outdoor unit. However, leaks aren’t the only reasons why your car may be blowing hot air, so it’s best to get an A/C performance check to figure out the root cause of your A/C issues. 2. You hear a clicking sound when your A/C is running. If you notice a clicking noise while your car A/C is running, your compressor might be short cycling.However, if you want to attempt to find the leak yourself, follow these steps: Turn off the AC: Before you start, turn off the AC unit to avoid any accidents or injuries. Check the Condenser Coil: The condenser coil is located outside and is responsible for removing heat from the refrigerant. Check for any signs of damage, such as corrosion …5. Black Light. One good thing about the UV dye method mentioned above is that I can turn on a black light to help find the leak. A UV light illuminates the dye, which makes it easy to spot. A black light is great for finding small leaks or holes in the coils where the leaking dye is not visible to the naked eye. great used carsbest internet games Jan 15, 2020 · Xetron HVAC Refrigerant Leak Detector with UV LED,Automotive AC [R134A R410A R22 R1234YF] Freon Sniff Halogen Gas Leak Detector, 6 Adjustable Sensitivity, CFCs HCFCs HFCs HFOs CLD-100UV 4.3 out of 5 stars 773 Here are some telltale signs that you have a refrigerant leak: 1. Frozen Evaporator Coils. You should suspect a leak if your evaporator coils go cold. These coils absorb heat within your AC unit to create chilled air. When refrigerant levels dip due to leaks, these coils will freeze and develop thick ice crystals.Learn how to locate and repair or replace a refrigerant leak in your air conditioner with this guide from The Home Depot. Find out the signs of Freon leaks, the methods to detect them, and the legal status of Freon …Refrigerant leaks can cause serious damage and significantly decrease the lifespan of your air conditioner or heat pump. One of our elite team of professional air conditioning and heat pump professionals will efficiently diagnose and detect any refrigerant leaks in your system and recommend the best and most cost effective solution. 813-510-5667.Jun 4, 2021 · Simbow Refrigerant Leak Detector. Check Latest Price. The Simbow Refrigerant Leak Detector is one of the best options you’ll find for halogen refrigerants. Able to detect and alert you to leaks ... Repairing air conditioner refrigerant leaks is a crucial step in maintaining the efficiency and lifespan of your AC unit. With proper identification of the location and severity of the leak, you can attempt to repair it yourself or seek the assistance of a professional. Always follow safety guidelines and manufacturer’s instructions to ensure ... food prep for the week Signs of a Freon Leak. Freon, as opposed to oil in a refrigeration system, never runs out. It can continuously circulate through the air conditioning system for years. However, depletion of the refrigerant is a good sign that there is some leaking. Typical signs to watch out for if you suspect a Freon leak are: Sign #1: Freezing of Coilshow to fix and find an ac leak detector in your car or truck using dye. A/c Dye is an effective way to find a Freon or refrigerant leak. I will Show you Ever...How to Find a Refrigerant Leak in an AC Unit! This is How I Knew There was a Refrigerant Leak, How I Found the Leak, What Methods I used for Detection, and W...Here are some telltale signs that you have a refrigerant leak: 1. Frozen Evaporator Coils. You should suspect a leak if your evaporator coils go cold. These coils absorb heat within your AC unit to create chilled air. When refrigerant levels dip due to leaks, these coils will freeze and develop thick ice crystals. temperature pipes freezedownload textbooks for free ---2