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 ...

This video discusses various HVAC tools and tips for replacing old HVAC systems. It highlights the benefits of solar heat ...

A British-Chinese research group has developed a novel heat pump concept consisting of a heat pump, the PCM tank, and tube solar heat collectors. Intended for demand shifting in space heating and ...

Solar Brother has announced the launch of SunAéro, a solar heating system that heats and renews the air in rooms measuring 20 m² to 60 m². The system combines PV and thermal energy to heat, renew or ...

Portal’s heat exchanger thruster, known as Flare, fires up during a test in a vacuum chamber. (Portal Space Systems Photo) Bothell, Wash.-based Portal Space Systems says it has successfully tested its ...

In March, we removed the 4-kW solar array as well as the existing, substandard roof tiles. The following month, we brought ...

Californians could soon get some relief from the upfront costs of clean home upgrades, with two state bills poised to make rooftop solar, home batteries, heat pumps, and heat pump water heaters easier ...

We tend to think of sunlight as something temporary; here when the sun is up, gone when it moves to the other side of the world. But a new, molecular-scale breakthrough challenges that idea, ...

"With heat pumps, bigger isn't better - you can end up with an oversized system and a bad COP." ...