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2. Electric heating - Wikipedia

   en.wikipedia.org/wiki/Electric_heating

   The heat pump uses an electric motor to drive a reversed refrigeration cycle, that draws heat energy from an external source such as the ground or outside air (or the interior of a refrigerator) and directs that heat into the space to be warmed (in case of a fridge, the kitchen). This makes much better use of electric energy than direct ...

3. Sources of electrical energy - Wikipedia

   en.wikipedia.org/wiki/Sources_of_electrical_energy

   The mechanical power needed to assist in this production is provided by a number of different sources. These sources are called prime movers, and include diesel, petrol and natural gas engines. Coal, oil, natural gas, biomass and nuclear energy are energy sources that are used to heat water to produce super-heated steam. Non-mechanical prime ...

4. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   Electrical heating systems occur less commonly and are practical only with low-cost electricity or when ground source heat pumps are used. Considering the combined system of thermal power station and electric resistance heating, the overall efficiency will be less than for direct use of fossil fuel for space heating.

5. How to safely restart your wall heater — and get help if needed

   www.aol.com/news/safely-restart-wall-heater-help...

   Home heating sources — including wall heaters, furnaces, fireplaces, stoves and water heaters — are responsible for thousands of fires annually. ... Electric wall heaters should be cleaned ...

6. Heating system - Wikipedia

   en.wikipedia.org/wiki/Heating_system

   A heating system is a mechanism for maintaining ... Examples include electric space heaters, fireplaces, and solar heating. ... The use of sustainable energy sources ...

7. Energy in the United States - Wikipedia

   en.wikipedia.org/wiki/Energy_in_the_United_States

   The paper industry was second at 6.5 billion BTU per employee. Each of these handles energy sources as part of their raw materials (fossil fuels and wood). [63] The same survey found that half of the electric use was to drive machines and about 10% each for heating, cooling and electro-chemical processes.