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 ...

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 ...

You probably don’t spend much time thinking about the compressor ... And while that might not sound like much, over the nine-year average lifespan of a window AC, that adds up to around $153. Better ...