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Solar Heater Diagram. How to build one at Mother Earth News http://www.motherearthnews.com/Renewable-Energy/2006-12-01/Build-a-Simple-Solar-Heater.aspx#axzz2N6tYtYto

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Solar thermal collectors: A solar thermal collector collects heat by absorbing sunlight. The term "solar collector" commonly refers to solar hot water panels, but may refer to installations such as solar parabolic troughs and solar towers; or basic installations such as solar air heaters. Solar power plants usually use the more complex collectors to generate electricity. Simple collectors are typically used in residential and commercial buildings for space heating.

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Basics of Passive Solar Design -- Let the Sun Heat You House!

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Wonderful system for building into a hill while using the greenhouse to heat the home. This would be marvelous for indoor crops.

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If the design can include a passive solar component, this is just amazing. This room/porch could also double as a green house.

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