该地区窗膜需求的驱动因素
单层玻璃窗——在1980年前建造的加州住宅中仍然很常见——几乎没有隔热性能。低辐射改装膜可以以更换成本的一小部分将其太阳热量增益降低40-60%。
早晨覆盖加州海岸的海洋层到中午消散，留下强烈直射阳光的下午。没有贴膜的朝西房间在下午2点到5点之间最热。
低辐射改装窗膜 的工作原理
安装过程无侵入性：清洁玻璃、用滑动溶液贴膜、用刮刀挤出气泡、修剪至合适大小。无需施工、无需许可证、无干扰。
穿孔膜解决了朝街房间的私密性与采光权衡问题。微孔图案在白天从内部保持向外的视野，同时阻挡从外部的视线。
为什么窗膜是您家的最佳选择
Caltech in Pasadena has a local mix of solar exposure, window construction, and residential cooling needs. 低辐射改装窗膜 is one of the available solutions for this climate profile.
Effective against Pasadena's high solar irradiance
Compatible with double-pane low-e glass
Professional installers available in your area
10–15 year manufacturer warranty
安装与费用
大多数窗膜制造商要求专业安装才能履行保修。DIY应用会使大多数高端产品的保修失效。
Install time
30–45 min per window
Typical cost
$150–$400 per window
Cure time
30 days full cure
窗膜类型对比
Burn pattern appears in a defined stripe or patch near a window
Damage is worst between 1pm and 5pm on sunny afternoons
The affected window is double-pane or energy-efficient
The burn pattern has shifted slightly over the past year
Turf replacement hasn't solved the problem — it keeps coming back