该地区窗膜需求的驱动因素
6月至9月间南加州下午的太阳角度足够低，可以将直射太阳辐射深入朝西的房间。标准窗帘遮挡视野；膜阻挡热量。
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。
防反射窗膜 的工作原理
住宅窗膜是解决太阳热量增益最有针对性的方案：它在源头——玻璃——解决问题，而不是通过更多制冷来补偿。
低辐射改装膜专为旧式单层玻璃窗设计。它增加了一层低辐射率，显著提高隔热性能——是1980年前加州住宅最具成本效益的升级。
为什么窗膜是您家的最佳选择
Old Mill District in Bend has a local mix of solar exposure, window construction, and residential cooling needs. 防反射窗膜 is one of the available solutions for this climate profile.
Effective against Bend'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
合格的安装人员在推荐膜等级之前会评估您的窗户朝向和玻璃类型。他们将识别您热量增益最高的方向，并为每扇窗户匹配正确的膜。
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