MAKE A LIST: Establishing a routine and consistently working through it like a checklist is one way that technicians can improve their troubleshooting. January 28, 2019 Making the correct diagnosis ...

R-410A has been the refrigerant of choice in residential and light commercial cooling systems since 2010, when federal government regulations mandated that new air conditioners and heat pumps could no ...

Air conditioning plays a vital role in making our homes, offices, and other buildings livable. In much of the country, the ...