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Portal:Ecology/Did you know/7

From Wikipedia, the free encyclopedia
... in the United States, heating, ventilation and air conditioning (HVAC) systems account for 30% (4.65 EJ) of the energy used in commercial buildings and nearly 50% (10.1 EJ) of the energy used in residential buildings? Solar-powered heating, cooling and ventilation technologies can be used to offset a portion of this energy.

(Pictured left: Part of the Nellis Solar Power Plant, a 14 megawatt power plant installed in 2007, in Nevada)

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