Researchers in Germany have modeled dozens of indirect-expansion solar-assisted heat pump systems using photovoltaic-thermal panels for single-family homes in Munich, Berlin, and Hamburg ...

Researchers at Germany's Frauhofer ISE have analyzed the performance of a residential heat pump connected to a rooftop PV system relying on battery storage and have found that this combination ...

He installed solar panels at the same time to offset the rest, and his heating and cooling bills fell to virtually nothing. Last month — about seven years after installing the system — he’s recovered ...

Rewiring America’s new campaign helps families grab expiring federal energy tax credits and cut long-term home energy costs.

A record number of solar panels, batteries and heat pumps have been installed in UK homes and buildings in the first six months of 2025, figures show.