If your air conditioner seems like it isn't cooling your home as efficiently as normal (or at all), then you'll want to address it as soon as possible. You should start by inspecting the thermostat, ...

If your air conditioner is working but not cooling, dirty coils may be the culprit. The typical AC system has two sets of coils: condenser coils, which are located in the outside compressor unit, and ...

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 ...