large efficiency gains like this can be low-hanging fruit to even more home energy savings than solar alone provides on paper. Effectively the water heater becomes another type of battery in ...

Al Ruggie of Phoenix-based ASAP Restoration laments: "For sure, we have never installed a solar hot water heater on a home ...

Energy-efficiency and clean energy projects like insulation, solar, and heat pumps can bring you thousands in federal and ...

Scientists in China have revolutionized heating with a solar-air heat pump and sand-based thermal storage floor.

About 20% of home energy usage goes to heating water, so a solar water heater can make a big dent in your energy bill. Most ...