该地区窗膜需求的驱动因素
通过玻璃的热量增益是累积的。一个每小时通过未贴膜窗户增加3°C的房间，到下午中段将比设定温度高8-10°C——迫使空调系统更加努力地工作。
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
陶瓷膜是视野清晰度和信号透明度优先的家庭的高端选择。非金属颗粒吸收热量，没有金属膜的镜面效果。
陶瓷膜是高端选择：非金属、信号透明，高效阻挡太阳能。比标准膜贵20-40%，但提供更优越的清晰度和更长的使用寿命。
为什么窗膜是您家的最佳选择
Housing Authority of the County of Contra Costa in Concord has a combination of high solar intensity, energy-efficient windows, and premium residential construction. 防反射窗膜 is one of the most effective solutions for this climate profile.
Effective against Concord'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
一些安装人员提供免费太阳能评估——他们会访问您的房产，按朝向绘制您的日照图，并在您承诺安装之前提供书面膜推荐。
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