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 as the equipment ...

A: Sounds like you have a good plumber, or he or she may just be following new local codes. When water is heated it expands, and if there is no place for the expanded water to go it may cause the ...

Nearly every home has a water heater, but people tend not ... power grid from fossil fuels High-tech electric water heaters can double as thermal batteries, storing excess production from wind ...

Our cold frame is basic: a rectangular wood frame topped with recycled thermal-pane windows ... a medium-sized ceramic pot of water, which contains a birdbath water heater. The submersible heater ...