MARTHA’S VINEYARD, MA — Nelson Mechanical Design installed a 20-collector solar hot water drain back system to provide pool heat, radiant floor heating, and domestic hot water pre-heat for a customer.

The novel heat pump concept combines solar energy with chemical storage and reportedly consume 75% less electricity than conventional heat pumps. The system relies on a battery and a heat storage tank ...

IN LAST MONTH'S column ("Active and passive solar pre-heat systems," pg. 36), the final system we addressed was the closed-loop pressurized system. One of this system's major Achilles heels is the ...

A family of solar pumping products and technology is an ideal fit for a wide variety of solar thermal applications, says the company. The Solar Pumping Station has five easy connections to make: two ...

Scientists in Italy have coupled a solar-powered air heat pump with a water tank for thermal energy storage to provide hot water to a residential building as a retrofit solution. They claim that the ...

Although solar panels are active while the sun is shining, they typically don't do much once the sun goes down. This is why some systems incorporate water tanks. The water is heated during the day via ...

Electricity demand could increase up to 16 percent across the United States by 2030, requiring up to a six-fold increase in the pace of building new generation and transmission. Can solar-plus-storage ...