你有本事去反驳全美建筑协会吧

来源: dudaan 于 2017-10-24 10:48:58 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (406 bytes)

Experts say it is possible. The windows, which use low-emissivity glass, can act like a magnifying glass and reflect the sun’s rays. Clear glass reflects about 10 percent of sunlight's energy, but low-e windows, which have a green tint, reflect 30 to 50 percent, according to NAHB.

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• 就算50%，平玻璃也没事的 -味苦- ♂ 给 味苦 发送悄悄话 味苦 的博客首页 (0 bytes) () 10/24/2017 postreply 11:30:00

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