Is a Tankless Water Heater right for Your Home? Tankless water heaters offer an energy-efficient option for homeowners, and some new models can reduce home water-heating costs by up to 50 percent. Tankless heaters offer on-demand convenience, because these heaters don’t have a holding tank. Water is heated on an as-needed basis, not heated and … Continue reading The Big Draw of Tankless Electric Water Heaters