The first heat pumps to pass the U.S. Department of Energy's Cold Climate Heat Pump Challenge might be in customers' homes by the end of the year.
SP6L 4000 RefComp Semi-hermetic compressor for cold room USD 2600-2800 / Piece 1 Piece (Min.Order) SP4L 2200 RefComp Semi-hermetic compressor for cold room USD 1600-2000 / Piece 1 Piece (Min.Order) ...