R-22 refrigerant is depleting ozone. It is because it is a CFC.
There is a chemical in refrigerant which harms ozone. The name of the chemical is CFC.
ef-22a is a hydrocarbon refrigerant that replaces R22
HCFC's are being used nowadays. These are the refrigerants that do not damage ozone.
Refrigerants come in various types. The CFC's in refrigerants damage the ozone.
To determine if a refrigerant charge is correct using R22, you would need to measure the suction and discharge pressure and temperature, calculate the superheat and subcooling values, and compare them to the manufacturer's specifications or recommended values for the specific system. Adjust the refrigerant charge if the measurements are outside the acceptable range to ensure optimal system performance.
R410A refrigerant was introduced to replace R22, as R22 is ozone-depleting and harmful to the environment. R410A is a more environmentally friendly alternative with zero ozone depletion potential.
One refrigerant that is chlorine free is cfc-22. This refrigerant has gained popularity in the past few years in many homes.
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R-421A is an R22 alternative refrigerant. It is licensed under the Choice brand name ( Choice R-421A). It is a blend of 58%/42% R-125 and R-134a. It is a non-ozone depleting refrigerant, and the only 2-component refrigerant blend to replace R22. For more information, visit www.rmsgas.com.
R22
Graingers is the only place I know of... sells it in a 30lb container. <><><><> R11 and R22 are restricted items- be prepared to show training and equipment for recycling- and be prepared to pay an arm and a leg. If you have an older AC unit, check on getting it changed over to another refrigerant. Sale of R22 isregulated by the EPA as an ozone depleting refrigerant.
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The cost of 125 pounds of R22 refrigerant can vary depending on market prices and supplier rates. On average, you can expect to pay anywhere from $50 to $100 per pound for R22 refrigerant. Therefore, the total cost for 125 pounds of R22 could range from $6,250 to $12,500.
A 2-ton air conditioner typically contains around 4-5 pounds of R22 refrigerant.