This means that if you want to increase the temperature of air, you need to have some type of energy input. Really, it's all about energy. Now, you might reasonably think a “heat pump” pumps ...

Solar power is energy that is created by the sun and converted into usable energy that can provide electricity and heat. Solar energy is the cleanest form of energy and the most readily available.

We need heat to make everything from steel bars to ketchup packets. Today, a whopping 20% of global energy demand goes to producing heat used in industry, and most of that heat is generated by ...

The sand battery — brought to life by the Finnish company Polar Night Energy — can store 1,000 megawatt-hours of heat for weeks at a time, enough for a week’s worth of heating in the chilly ...