Spanish scientists have built a cooling system featuring heat exchangers on solar panels and U-shape heat exchangers installed in a borehole at a depth of 15 meters. The researchers claim that this ...

SOLAR HOT WATER pre-heat systems fall into two basic categories active and passive types with numerous subcategories. A passive solar DHW pre-heater is also known as a breadbox heater or batch heater.

A 200-foot tower stands centered in front of a field of rotating mirrors on the southern edge of Albuquerque, New Mexico. It’s the National Solar Thermal Test Facility, operated by Sandia National ...

The prospect of tapping solar energy is exciting — whether to save money or the environment. But there are doubts. Can solar do the job? What if there's not enough heat? What's the payback on the ...

Italian scientists have assessed the technical potential of vapor compression heat pumps assisted by photovoltaic-thermal systems. They analyzed two main configurations of this combination describing ...

Researchers outline a computer simulation model addressing the challenge of solar power's inherent intermittency by adding biomass as another renewable energy source to advance a reliable, affordable ...

Phase-change materials have been used in lots of applications for a long time. Paraffin is common, because it's cheap and has a low melting point. This is nothing new, except perhaps in their choice ...