Don’t sweat it if your central air conditioning won't blow cold air. Here’s how to troubleshoot and fix problems with its ...

the problem is most likely either frost-clogged evaporator coils or a stuck or broken evaporator fan. Evaporator fans often squeal or chirp when they start to go bad. You’ll know it’s the ...

A clogged drain line can cause leaks and mold growth. Locate the drain line (usually a PVC pipe), use a wet/dry vacuum or ...