It's bigger than your typical heat pump condenser unit because it's an air-to-water heat pump, built to concentrate the thermal energy outside of your home to warm water that flows directly into a ...

A heat pump water heater can help reduce those costs by up to 75%. Of course, you might not be in the market for a new water heater. Your old one may be working just fine. You probably haven’t ...

Heat pump water heaters have been around for decades, but it’s only recently that they’ve emerged as a go-to for energy efficiency. More households are opting for heat pump water heaters than ...

That's why “cleaner,” less costly heat pump water heaters are increasingly becoming the go-to over standard gas and electric models. What makes heat pump technology more efficient? We asked ...

Startup Cala Systems, which makes seriously smart heat pump water heaters, has secured $5.6 million in seed funding and commercially launched its product. The round was led by the Massachusetts C ...

There are additional challenges in measuring heat pump performance in the US. Most US home heating systems rely on forced-air distribution, rather than the water-filled radiators common in Europe.

These water heaters are far more energy-efficient than conventional options. We put 10 models to the test. By Yasmeen Khan Heat pump water heaters have been around for decades, but it’s only ...

Uniform Energy Factor refers to a water heater's efficiency when run under simulated heavy use conditions for a 24-hour period. Electric Heat Pump is part of the Water Heaters test program at ...