A solar-powered ‘Galactic Brain’ is supposed to side-step energy constraints new data centers face on Earth.

Solar water heaters help homes cut energy bills by using sunlight instead of electricity. The system offers steady heating, ...

Heating water is one of the most energy-consuming and costly household tasks. According to the Department of Energy, it makes up roughly 18% of a standard home's monthly energy budget. And if you use ...

Think of solar greenhouse heaters as a way to supplement existing heating systems. They're out there, but some assembly may be required.

Taking a hot shower can literally mean pouring money down the drain. The average American household spends almost $300 pear ...

Researchers in Malaysia designed a photovoltaic-thermal system that can be used in solar drying, space heating, rooftop systems, and off-grid thermal applications. It relies on a double-pass cooling ...