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 ...

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 Liam McCabe Liam McCabe has covered HVAC since 2014. Some people stay at Hotel ...