you need a whole house fan..

来源: jy101 于 2012-06-17 09:00:52 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (99 bytes)
回答: 听说 attic 装fan能让室内降温10度 由 海赖 于 2012-06-16 21:55:34

attic fan is a very small, only for ventilation. if cool a house, you need a whole house fan..


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