A magnet, a thermometer, and the right pressure readings can tell you everything about a failing reversing valve.

Jamie Foundas decided last month to finally get rid of oil heat in his 1960s-era Natick home and put in electric heat pumps. It’s the kind of heating system favored by Massachusetts as it pushes ...

Dutch startup BlueHeart Energy is testing its thermoacoustic heat pump engine in residential settings, with a limited ...

US electrical standards specialist UL Solutions said in a recent statement that it will expand its HVAC testing facilities. The facilities are located in Plano, Texas, and Carugate, Italy. The company ...

Load-based testing for heat pumps is an emerging experimental methodology designed to capture realistic, dynamic equipment performance by allowing the system to operate under its native ...

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 ...

After years of rapid growth, global heat pump sales are falling. Lower gas prices, reduced subsidies, and installation bottlenecks are leading to lower sales. The technology’s efficiency remains ...

All eight manufacturers in the U.S. Department of Energy’s Residential Cold Climate Heat Pump Challenge completed rigorous product field testing to demonstrate energy efficiency and improved ...

Midea’s MAH09H1AGR packaged window heat pump earned strong reviews after a year-long trial, delivering efficient heating and cooling even in extreme temperatures. The unit maintained 200% efficiency ...

How low can you go, really? That’s one question Alaska researchers are asking of a new heat pump prototype this winter. The new LG model purports to heat homes effectively even at -30 degrees ...