Solar water heaters can lower energy bills and reduce emissions, but they're not right for every home. Here's what to know ...

Scientists in India have built a solar-powered thermic solar geyser prototype based on a nichrome wire heating rod and a flexible pipe heat exchanger with aluminum fins. The system is designed to ...

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 ...

Hildisrieden, LU - September 22, 2026 - PRESSADVANTAGE - Oekoboiler Swiss AG, a Swiss manufacturer of energy-efficient ...

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 ...

The bill could save them half a billion dollars over just three years.

Your hot shower or bath uses 15-30% of your household’s total energy, second only to the heating and cooling of air. More than half of all Australian households rely on electric water heaters with a ...

The price equation can change when rooftop solar is involved.

Glen Iris resident Antony replaced his gas hot-water system with a heat-pump hot-water service this year as part of his move towards an all-electric ...