Even if you don’t live in one of these states, the tax credits are still active nationwide. Need a new water heater? Here's ...

Researchers in Italy have designed a novel carbon dioxide heat pump that can work with photovoltaic-thermal energy, a finned coil heat exchanger and a U-tube borehole heat exchanger. Their experiment ...

Here are five ways to find out. Water heaters come in many shapes and sizes. Your decision starts with choosing between a storage, heat pump-based or solar water heater. You'll also want to ...

Keywords Sun, astronomy, solar observatories, Hertzsprung-Russell diagram, spectral type G, nuclear fusion, star lifecycle, red giant, white dwarf, energy generation Email us at footage@avgeeks ...

Many people around the world don't have easy access to hot water. But an engineer in Scotland has designed a simple portable device that heats water using just the power of the Sun. He believes it ...

German startup Nexol Photovolthermic AG has unveiled a 1,500 W water heater that can use photovoltaic ... In the case of low solar radiation, the intelligent system reheats the upper zone of ...