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 ...

Scientists in India have conducted an extensive review of all direct expansion solar heat pump technology in an effort to broaden its residential adoption. Such system can psroduce hot water from 15 C ...

There’s no shortage of advice on how to size a home solar system, but most of it assumes a suburban house with city water and a long list of optional loads. Rural homes play by different rules, and ...

A solar system stress test for off grid living shows you where your power system fails before a storm, cold snap, or long ...

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 ...

Perhaps you’re dreaming of obtaining your home’s electricity without having to rely on that provided by your town or city. If so, you’re hoping to go “off the grid.” And if that’s your dream, you’ve ...