Three years ago, Ted Treadwell turned his water heater into a battery. His home in Santa Rosa, California, had relied on a gas-powered furnace and water heater for a quarter century to stay warm. But ...

After a long day out in the summer sun, you finally get home and put your air conditioner on at full blast. But after hours have gone by, you realize that your home doesn't feel any different than it ...

More Triangle builders are making smart home, energy-saving tech standard. Buyers cut power bills up to 30% a month while shrinking their carbon footprint.