Heating water is one of the most energy-consuming and costly household tasks. According to the Department of Energy, it makes up roughly 18% of a standard home's monthly energy budget. And if you use ...

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 ...

Welcome to our series answering reader questions and concerns about how to cut the utility company cord. I currently use wood to heat my off-grid home but would like to figure out my options for using ...

Researchers at the Technical University of Denmark have investigated how large-scale air-to-water heat pumps could be combined with PV-powered district heating systems with the aim to reduce the ...

Ripan Deb, a 37 year old farmer putting water to his field through a solar-powered water pump which was installed in his field with the help of the Government of Tripuras subsidised policy in ...

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 ...

Engineers have helped design a new method to make hydrogen gas from water using only solar power and agricultural waste such as manure or husks. The method reduces the energy needed to extract ...

Researchers designed an energy-efficient device that produces drinking water from seawater using an evaporation process driven largely by the sun. Researchers at the University of Waterloo have ...

Using 600% less voltage to produce hydrogen, a research team at the University of Illinois Chicago has developed a new method for splitting water. The method uses a carbon-rich substance called ...