Taking a hot shower can literally mean pouring money down the drain. The average American household spends almost $300 pear year to heat water. If you spend a little extra time in the shower, that ...

Researchers at the Technical University of Denmark have investigated how large-scale air-to-water heat pumps could be combined with PV-powered district heating systems with the aim to reduce the ...

A British-Chinese research group has developed a novel heat pump concept consisting of a heat pump, the PCM tank, and tube solar heat collectors. Intended for demand shifting in space heating and ...

In the breach left by failing local government services, citizens have been making alternative plans for years, buying solar panels to get off the electricity grid, digging boreholes to tap ...