The heat loss(or gain)through a wall of half inch plate glass is more than ten times that through a typical brick wall filled with insulation board.
2.To lessen the strain on heating and airconditioning equipment,builders of skyscrapers have begun to use double glazed panels of glass,and reflective glasses coated with silver or gold mirror films that reduce glare as well as heat gain.
1 半寸平板玻璃墙的热损失或增益比典型的装有隔热板的砖墙大十倍以上.
2 为减轻供暖和冷气设备的负担,高层建筑者已开始使用双层玻璃板以及涂有能降低强光和降低吸热的金银色镜膜的反光玻璃.