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 ...

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 ...

A rare home tour of Sonam Wangchuk's Ladakh residence reveals how mud walls, passive solar design and composting toilets keep ...

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 ...