What Type of Freon Does My Home AC Need? A Quick Guide to Refrigerants for Home ACs

Freon, also known as refrigerant, is a term commonly used to refer to a group of hydrochlorofluorocarbon (HCFC) and hydrofluorocarbon (HFC) refrigerants used in air conditioning systems. However, due to environmental concerns regarding ozone depletion and global warming potential, the production and use of certain Freon types have been phased out or restricted. Here are some common refrigerants used in home air conditioning systems:

1. R-410A

R-410A is a hydrofluorocarbon (HFC) refrigerant widely used in modern residential air conditioning systems. It is considered an environmentally friendly alternative to older refrigerants due to its ozone depletion potential of zero. R-410A operates at higher pressures and requires different equipment than older systems that use Freon-type refrigerants.

2. R-22 (Phased Out)

R-22, also known as chlorodifluoromethane, was a commonly used hydrochlorofluorocarbon (HCFC) refrigerant in older residential air conditioning systems. However, R-22 has been phased out in many countries due to its ozone-depleting properties. Production and importation of R-22 have been limited, and its use is being replaced by more environmentally friendly alternatives like R-410A.

It’s important to note that as regulations and environmental concerns continue to evolve, the availability and use of specific refrigerants may vary by region. It is always recommended to consult with a qualified HVAC professional or refer to local regulations to determine the appropriate refrigerant for your specific air conditioning system.