Researchers in China have designed a two-stage, solar-assisted thermochemical heat pump system that uses caustic soda and water as a working pair. The system is reportedly able to achieve an energy ...

U.S. solar thermal panel manufacturer Fafco has developed a photovoltaic-thermal heat pump solution for water and pool heating. “The solution utilizes an open-loop solar drain-back style system that ...

Startup Cala Systems, which makes seriously smart heat pump water heaters, has secured $5.6 million in seed funding and commercially launched its product. The round was led by the Massachusetts Clean ...

A Wānaka man has future proofed his home heating and cooling system with a hot water heat pump and solar panels. Photo: Google When Wānaka resident Carl Hamlin decided to build a new home, energy ...

Oekoboiler Swiss AG, a Swiss manufacturer specializing in energy-efficient hot water solutions, continues to advance sustainable building technology through its integrated heat pump and solar systems ...

Solar water heaters work by absorbing sunlight in solar collectors and saving the heated water in a storage tank. Both active and passive solar water heaters are available. Active systems are ...