HSPF stands for Heating Seasonal Performance Factor. Simply put, it rates how efficient a heat pump is during the heating season. How much heat is generated divided by how much electricity is used. The higher the rating the more efficient the system.
What is an HSPF rating?
By LNBadmin|2018-08-09T18:29:37+00:00November 8th, 2016|Comments Off on What is an HSPF rating?