You probably don’t spend much time thinking about the compressor in your air conditioner, at least as long as it’s pumping out cool air. But if you’re in the market for a new window AC this season, ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...

The modern air conditioning system cools an indoor space by using the refrigeration cycle. This refrigeration cycle works by controlling the level of energy in the system’s refrigerant: Some parts of ...

As previously announced, Xiaomi officially launched the new season of energy-efficient air-conditioning series. The biggest selling point is the “temperature and humidity dual control” which it ...

Have you noticed a spike in your electric bill? It could be your AC. Check out these tips for lowering your energy use while still keeping your home cool. Alexandra Jones is a CNET contributor who ...