Three years ago, Ted Treadwell turned his water heater into a battery. His home in Santa Rosa, California, had relied on a ...

The latest batch of heat pump water heaters can save you thousands while providing hot water exactly when you need it.

If you want to heat or cool your home, a heat pump seems like the logical solution. Here's everything you need to know to decide whether getting one makes sense for your home.

"Heat pumps are the right thing to do." Homeowners stunned by little-known system that cuts energy costs — here's how to find ...