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 ...

Ductless heat pumps have taken the U.S. by storm with sales increasing by double digits over the last few years. That momentum is expected to continue; however, not every homeowner wants to look at ...

In a column published in July, I wrote about the Mitsubishi mini-split heating/air conditioning system that was just installed in my house. In addition to the required outdoor heat pump, there is a ...

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 ...