Visible refrigerant leak is another common sign that your car’s air conditioner needs freon. When freon is liquid, it usually looks like grease but is lighter because it contains some oil that enables it to lubricate the compressor. Check the various parts of your car’s AC system if you suspect there might be a Freon leak. Refrigerants In the HVAC industry, refrigerants are used in various equipment such as air conditioners, refrigerators, freezers, etc. Refrigerants are substances, often in liquid form that are used in a refrigeration cycle to cool a certain space. It is responsible for capturing heat and then releasing it to another space by using the thermodynamic phenomena of phase changes wherein fluid Evacuate the building promptly. Don't turn the gas back on. Your company will do that for you when it's safe. A rotten smell can also be caused by a dead animal becoming stuck in your air conditioner. Birds and insects can nest in these small spaces and often get trapped, causing the bad central air conditioner smells. Hey HVAC techs! Since so many other YouTube techs show you how to add refrigerant to an air conditioning system, in this video I thought I'd show you how I a Nonetheless, this smell may not always be detectable and is not a dependable indicator of a Freon leak. While Freon itself is odorless, a Freon leak smell may be noticeable when it mixes with other substances. If you detect this smell, it’s crucial to consider repairing the leak immediately. Another chemical used in Freon is hydrofluorocarbon If you have an older air conditioner, it likely uses R-22 refrigerant. New air conditioners use R-410 refrigerant. R-22 is being phased out by the EPA because there is chlorine in it which contributes to ozone depletion if it leaks out of the system. Eventually, all air conditioners and heat pumps will use R-410 refrigerant. R-410 is an ozone .

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