Everything we know about ductless mini-split heating and cooling systems after interviewing installers, manufacturers, and homeowners with systems of their own.

Ductless heating and cooling systems, also known as mini-splits and ductless heat pumps, were first introduced to the U.S. just about 35 years ago from Japan. This is an indoor unit inconspicuous ...

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 ...