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 ...

WASHINGTON — Prototype heat pumps from four manufacturers have passed laboratory testing as part of the Residential Cold Climate Heat Pump Technology Challenge and are ready to join four other ...

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 ...

Dutch utility Eneco is testing low-noise air-to-water heat pumps from startup Whspr in around 20 homes, aiming to ease installation constraints near property boundaries. The systems reportedly achieve ...

Heat pumps are hot. And when the need arises, they’re pretty cold, too. These high-efficiency electric fixtures heat and cool using your home’s existing ductwork. That means they can replace a ...

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 ...

Steve Scarbrough knows exactly where he’s staying next time he heads to the far north. It’s a little house up in Alaska, less than 1,000 square feet, and it’s got two heat pumps, a furnace, and a heat ...

U.S. researchers showed that standard residential air-source heat pumps can be retrofitted to operate directly on DC power ...

is a senior science reporter covering energy and the environment with more than a decade of experience. She is also the host of Hell or High Water: When Disaster Hits Home, a podcast from Vox Media ...

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 ...