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

Scientists in the United Kingdom have demonstrated the feasibility of residential ice-source heat pumps in cold climates and densely populated areas. They designed a heat pump system that utilizes ...

Klima is a smart thermostat and controller that's very different to a traditional Nest or Ecobee. It’s designed specifically for ductless heating and cooling — like room A/Cs, window A/C units, and ...