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 ...

Now in its Second Edition, this training manual was written by industry renowned presenter and author, Michael Prokup. This book is a comprehensive reference for servicing R-22/R-410A residential ...

Most air conditioners use one of two types of refrigerant: R-22 or R-410A. I've never paid any attention to this detail while inspecting houses because it didn't make much difference, but that's all ...