The sun’s energy can be captured by homemade solar hot-air collectors and thermosiphoning panels to provide free heat. The units direct air warmed by the sun through a window or wall opening into the ...

Best solar investments for your home. Solar heaters use energy from the sun to create heat. These heaters encompass a variety of products, such as solar hot water heaters, solar pool heaters and solar ...

If you're looking for a green way to heat up a small indoor space, Seattle resident Peter Rowan shows you how to make a solar powered heater using a bunch of leftover soda cans. The panel is filled ...

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 ...

If you enjoy being nice to the environment (or if you're just looking to save a few bucks), building a solar heater is a useful weekend project that costs very little, but can heat a good portion of ...

An efficient and lightweight rooftop solar hot-air collector — the Luba™ GL — is designed for supplemental outside air heating in commercial, institutional, and industrial facilities. Patented by ...

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 hot-water heat pump can be the cheapest way to heat water at your home or business. When matched with rooftop solar photo-voltaic (PV) electricity generation, hot-water heat pumps save even more.

If you have at least one unshaded, south-facing window, you can use a solar heat grabber to direct warm air into your home. Wouldn’t you love to heat your home with free energy from the sun? There are ...