Solar energy has been around for a long time now, which means it's become much more accessible to normal homeowners. With solar panels or collectors installed on your roof, you can take advantage of ...

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. Simulations ...

From a distance, the energy system on top of a college residence hall in Omaha, Nebraska looks like photovoltaic panels. But as you get closer, it becomes clear that this is something different, with ...

A Japanese research team has evaluated the affordability of photovoltaic-battery systems featuring heat-pump water heaters and air conditioning units across nine regions of Japan. They analyzed three ...

Federal tax credits for residential solar panels, batteries and heat pumps expired, eliminating incentives that previously saved homeowners thousands of dollars. Emerging lease-to-own models and ...