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 ...

Expanded North American and European testing facilities and capabilities will enable heat pump manufacturers to advance innovations while meeting new regulatory requirements. NORTHBROOK, ...

Researchers at Fraunhofer ISE have tested various types of heat pumps in existing buildings across Germany over four years, finding that the systems achieved seasonal performance factors between 2.6 ...

In our world, engine accessories are a power-robbing necessity. That's why aftermarket companies have come up with parts to minimize the losses. But is the power lost by spinning these accessories ...