We visited our son in Texas, and his home has a solar water heater. I was surprised to find that we had plenty of hot water for showering and all our other needs. I had assumed that these systems ...

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 ...

Heat pumps and solar hot water both cut bills and emissions, but which pays off more for Australian homes depends on climate, ...

The Thriamvos company truck pulls up at noon outside the four-storey building in the heart of Nicosia. It’s the third rooftop installation of a solar-powered water heating system that Petros Mihali ...

Technology is changing, public awareness is increasing, and the regulatory environment is in flux—we talk with Cala System’s CEO Michael Rigney on what the future has in store. Cala Systems is a ...

You can save home energy bills with a heat pump. Even in the worst case locations solar power makes heat pumps good long-term ...

California is changing how renewable energy and water conservation work together. In the state’s Central Valley, a new $20 ...

David Roche works for the Institute for Sustainable Futures, which received funding for this work from the Australian Renewable Energy Agency (ARENA). About half of Australian households use electric ...

A water heater is one of those home appliances that you don't think about until it stops working. However, a water heater can be a major energy eater, whether you're buying one for a new home or ...

Researchers have built a pilot-scale solar reactor that produces usable heat and oxygen, in addition to generating hydrogen with unprecedented efficiency for its size. A parabolic dish on the EPFL ...