Company’s prototype enabled 15-20% average energy bill savings Trane Technologies (NYSE: TT), a global climate innovator, today announced its successful completion of the U.S. Department of Energy’s (DOE) Residential Cold Climate Heat Pump (CCHP) Challenge for high-efficiency heating in extremely cold temperatures. After surpassing DOE laboratory tests, the Trane® high-efficiency, Cold Climate Heat Pump prototype, installed […]