Central heat pump and mini-split systems have been in the news for some time now as energy-efficient alternatives to traditional gas and electric furnaces. But when my housemates and I inquired ...

Say goodbye to electricians. Gradient's 120-volt All-Weather Heat Pump heats and cools up to 500 square feet and plugs right into a standard outlet. Jon Reed is a senior editor covering artificial ...

A British-Chinese research group has developed a novel heat pump concept consisting of a heat pump, the PCM tank, and tube solar heat collectors. Intended for demand shifting in space heating and ...