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Active solar heating. Clay Ponder. Active solar heating is using energy from the sun that is gathered by collectors and used to heat a building. More than 1million homes use active solar energy to heat there homes.
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Active solar heating Clay Ponder
Active solar heating is using energy from the sun that is gathered by collectors and used to heat a building. • More than 1million homes use active solar energy to heat there homes. • It starts out with a solar collector mounted on the roof which captures the sun energy, then a liquid is heated, it is then pumped through a heat exchanger which heats water for the building.
Geothermal energy –Power from the Earth • Geothermal energy-the energy from heat in earths crust. • Geothermal plants pump heated water or steam to power a turbine that generates electricity ,then the water is usually returned to the earths crust where it can be used again. • U.S. is the leading producer. • Worlds largest geothermal power plant is in California.