The compressor lubricant in refrigeration and air conditioning systems has many important functions. Even though the refrigerant is the working fluid required for cooling, the lubricant or oil is ...

Refrigerants used in air conditioners are changing … again. The last round of changes took place between the mid-1990s through 2010, as CFC and HCFC refrigerants were phased out and largely replaced ...

During an air conditioning tune-up or even a new system installation, you may hear words like Puron, Freon, R-22 or R-410A. These are the technical and brand names of widely used refrigerants found in ...

R290, commonly known as propane, has a long history as a refrigerant and is now seeing renewed adoption in heat pump systems ...