该地区窗膜需求的驱动因素
紫外线辐射是室内褪色的40-60%的原因。它几乎不受阻碍地穿过标准玻璃——透明玻璃几乎不阻挡紫外线。窗膜彻底改变了这一等式。
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。
太阳能控制窗膜 的工作原理
住宅窗膜安装费用从每平方英尺8-20美元不等，取决于膜的等级和窗户的复杂程度。大多数家庭在3-5年内完全收回投资。
混合膜将陶瓷颗粒与金属层结合，实现最大热量排斥。它们是极端太阳能暴露或拥有非常大朝西玻璃区域的家庭的正确选择。
为什么窗膜是您家的最佳选择
Cardinal Point in San Francisco has a local mix of solar exposure, window construction, and residential cooling needs. 太阳能控制窗膜 is one of the available solutions for this climate profile.
Effective against San Francisco'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