DIYer and woodworker April Wilkerson installs a DIY mini split system using a MrCool unit.

Q: I am one of a growing number of Americans with a new mini-split heat pump. I have no idea how to maintain it or use it efficiently. I’ve talked with many other owners and we are all largely in the ...

Ductless mini-split air conditioners are a sleeker alternative to window AC units and HVAC systems. Here are our favorite ...