Which mini split air conditioners are best? Mini split air conditioners are heating and cooling systems that allow users to control temperatures on a room-by-room basis. They are more efficient than ...

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 ...

We are in a vicious cycle when it comes to climate control: The hotter the world gets, the more people want to use air conditioning—but using air conditioning also adds to global warming, which means ...