Add Yahoo as a preferred source to see more of our stories on Google. If your AC isn't cooling, skip the call to the handyman and fix it yourself with our troubleshooting tips. We've all been there: ...

Add Yahoo as a preferred source to see more of our stories on Google. ACs always seem to break down at the worst possible moment. If your AC isn’t cooling your home, you might be able to fix it ...

When the mercury rises outside, nailing down why your AC is not cooling becomes a top priority. There are eight common reasons why this happens, including dirty filters, and some of which you can fix ...

Many of us have a deep appreciation for the cooling systems in our homes, whether we realize it or not. What do we really know about the cooling side of our HVAC systems? Do we need to know more?

We did a piece on possible reasons why your window air conditioner isn't cooling, now it's time for central air conditioners. When your AC runs but the house stays hot, the first thing to check is ...

Laboratory Technical Project Manager Gianmarco Chumbe has been part of the CNET Home team since 2018. He is in charge of developing and carrying out testing procedures for a wide variety of home ...