(New page: == Definition == Direct gain is a type of passive solar heating system that uses direct solar radiation to heat a building. Buildings using a direct gain system use large, south-facinf w...) |
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Direct gain is a type of passive solar heating system that uses direct solar radiation to heat a building. Buildings using a direct gain system use large, south-facinf windows to admit sunlight. However using a direct gain system requires that a structure uses thermal storage material to absorb the radiation or inside temperatures will rise to more than 90deg F. | Direct gain is a type of passive solar heating system that uses direct solar radiation to heat a building. Buildings using a direct gain system use large, south-facinf windows to admit sunlight. However using a direct gain system requires that a structure uses thermal storage material to absorb the radiation or inside temperatures will rise to more than 90deg F. | ||
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Revision as of 19:46, 19 October 2007
Definition
Direct gain is a type of passive solar heating system that uses direct solar radiation to heat a building. Buildings using a direct gain system use large, south-facinf windows to admit sunlight. However using a direct gain system requires that a structure uses thermal storage material to absorb the radiation or inside temperatures will rise to more than 90deg F.]