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== Definition == | == 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-facing 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-facing 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. | ||
== Interwiki links == | |||
* [[Wikipedia:Direct gain]] | |||
[[Category:PH261]] | [[Category:PH261]] | ||
[[Category:Solar]]] | [[Category:Solar]]] |
Revision as of 06:28, 11 April 2010
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-facing 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.