Gradient's advanced window unit can heat and cool 500 square feet of your home, and it doesn't require any electrical work.

A smart heat pump water heater might be the solution you've been looking for. The scoop The latest innovation in ...

Not only can those savings help offset the cost of a new water heater; in many cases, they can pay it back completely over ...

Here's what you should know about how heat pumps work, what kinds of heat pumps are out there, and how to decide if a heat ...

Eight manufacturers are putting what they learned during the Residential Cold Climate Heat Pump Technology Challenge into new ...