• The need to have the old refrigerant reclaimed and the new refrigerant added by a certified A/C-repair shop This month we will provide you with detailed troubleshooting diagnostics using the ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Over time, a car's air conditioning system will begin be less and less effective, ...

Without a functioning compressor, the refrigerant cycle won’t exist. What should HVAC technicians be checking when it comes to compressors to ensure everything is going off without a hitch? Following ...

Since this column's inception, we've received a substantial number of questions concerning air-conditioning troubleshooting. Answering each one would take quite some time, but we will attempt to ...