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 ...

If you want to add an air conditioning system to your home without having to install ducts inside your walls and ceilings, you've probably considered a mini-split system. The mini-split air ...

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 ...

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 ...