1. R-22

It is better known under its code names of HCFC-22, R-22, Genetron 22 or Freon 22, and is commonly used in air conditioning applications, such as residential split systems, rooftop units and window air conditioners.

2. R134a

It is also called simply tetrafluoroethane, R-134a, Genetron 134a, Freon 134a or HFC-134a, is a haloakane refrigerant without an ozone depletion potential and thermodynamic properties.It has the formula CH2FCF3, and a boilling point of −26.6 °C (−15.9 °F).