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 ...

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 ...

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 ...

Mock-up of solar evaporation system (left), connected to temperature and humidity detection system (center), with a brine water injection system (right) and a purified water collection system.

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 ...

Considering solar powered underfloor heating as a method of keeping your home warm and snug? There are several things to bear in mind before taking the plunge. While both underfloor heating and many ...