Karen is an energy efficiency and sustainability specialist with 20+ years experience. She exposes unsustainable businesses, products, and processes, and looks for ways we can all buy better - for ...

Heat pumps are often talked about as a single technology type, but in practice, there are two main systems used in UK homes: air source and ground source. Both systems work on the same principle, ...

Ground source heat pumps are well established as a low-carbon heating solution, and a long-term alternative to using fossil fuels to heat your home and hot water. But, unlike other heat sources, there ...

A heat pump heats and cools your home, functioning like a combined furnace and central air conditioner. Because it absorbs and moves heat from the air, it is exceptionally energy-efficient and ...

CLIFFORD, N.D. — In 1991, Nancy Drew and her husband Jim Erickson installed a ground source heat pump on the family farm while completely remodeling the house. "It was just a smarter system than fuel ...

Heat pumps are often talked about as a single technology type, but in practice, there are two main systems used in UK homes: air source and ground source. Both systems work on the same principle, ...

Federal incentives for heat pump installations expire this year. Homeowners can choose between air-source and ground-source systems. Heat pumps cut energy use and emissions more efficiently than ...