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.

and Midea in the U.S. Department of Energy’s Residential Cold Climate Heat Pump Technology Challenge back in 2021. According to MSN, Lennox International, Carrier, Trane Technologies ...

The DoE’s Oak Ridge National Laboratory validated the performance and efficiency of Lennox’s prototype. “DoE’s Cold Climate Heat Pump Challenge calls on American businesses to make heat ...