Method for preheating ventilation air in a building

Details Method for preheating ventilation air in a building Method for preheating ventilation air in a building

F - Mech Eng,Light,Heat,Weapons

24

J

126/11.13

F24J 2/00 (2006.01) F24D 5/00 (2006.01) F24J 2/04 (2006.01)

Patent

CA 1196825

ABSTRACT OF THE DISCLOSURE There is provided a method and apparatus for preheating ventilation air for a building. A solar collector is provided along a south-facing wall of the building, having a bottom entry for outside air, and an upper exit to a fan or other air-moving means. The fan withdraws air from the collector, after it has been heated by the sun's energy and also by picking up some of the heat normally lost through the building wall, and then ejects the air into the building through a duct located preferably at ceiling level.

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