Landlords are being warned against installing heat pumps amid fears they do not make homes more efficient on paper.

Heat pumps are the single biggest tool for U.S. households to cut carbon emissions and curb unhealthy air pollution .

It is important to get the most out of these benefits sooner rather than later. Need a new water heater? Collect $3,750 in ...

It cools the water until freezing with the R290 refrigerant ... geothermal heat pump principles and can be seen as a central heat pump system,” said Mehdipour. “While other heat pumps ...