Traditional air-source heat pumps can provide reliable heating when outdoor temperatures are moderately cold. However, once the weather reaches subzero temperatures, heat pumps suffer a drastic loss ...

The field-testing phase of the Residential Cold Climate Heat Pump Technology Challenge is over, and eight manufacturers that took part are in various stages of bringing new, Challenge-certified heat ...

Think heat pumps can only work in warmer climates? Think again, experts say. The electric heating and cooling systems have historically been more common in warmer areas because earlier models didn’t ...