The expiration of the 30% federal tax credit for solar and battery installations at the end of 2025 doesn’t necessarily make ...

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 ...

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 ...

Italian researchers have reviewed different system configurations for photovoltaic-thermal solar-assisted heat pumps in buildings. They say that using the PV-thermal collector as the heat pump’s ...