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 ...

Installing cooling is surprisingly easy with a mini-split system. Here, we'll show you how to do it yourself.

Mini-split heating and air-conditioning systems can boost your home’s energy efficiency, but they come with trade-offs, air quality experts say. These small, electric systems are replacing traditional ...

A complete home heating and cooling system built by hand this MR Cool installation shows how one builder adds comfort and efficiency with simple tools turning a regular house into a climate controlled ...