你有本事去反駁全美建築協會吧

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.

所有跟帖： 

• 就算50%，平玻璃也沒事的 -味苦- ♂ (0 bytes) () 10/24/2017 postreply 11:30:00