Researchers at the Central University of Jharkhand in India have developed a thermal energy system for buildings that uses an earth-to-air heat exchanger (EAHE) system powered by a standalone PV ...

Researchers in Italy have designed a novel carbon dioxide heat pump that can work with photovoltaic-thermal energy, a finned coil heat exchanger and a U-tube borehole heat exchanger. Their experiment ...

The solar heating, air conditioning, power, and lighting system installed at the guard station of the Pentagon Heating and Refrigeration Plant is one of the most advanced solar energy systems in the ...

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.