What is Calculating minisplit COP?

I live in north NH (zone 4a) and recently had a Mitsubishi MXZ-36NAHZ hyper heat pump with 5 ductless indoor units installed at/in my home. I live in north NH (zone 4a) and recently had a Mitsubishi MXZ-36NAHZ hyper heat pump with 5 ductless indoor units installed at/in my home.Read MoreGreenBuildingAdvisor