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 ...

New solar-air dual-source heat pump design based on blower fans Scientists have utilized two blower fans with two roll-bonded bare plates to create a heat pump that can operate in variety of ambient ...

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 ...

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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 ...

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 ...

Prof Simon Gicharu (left) is shown Megasun Solar by Mtwapa Energy Centre manager Killian Mwangudza (second left). The solar is used to heat water, on June 19, 2019. [File, Standard] Even though there ...

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 ...

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 ...