255 Views0 Comments101 Votes in Automobile, Science & Technology Why is the COP of air source heat pump so critical? The energy efficiency ratio of air source heat pump represents COP, the heating efficiency ratio. More 0 0 0 0 0 0 0 0 0 0 0share Read More 101 Points Upvote Downvote MoreReportRead LaterAdd to FavouritesAdd to Collection