室内“风暴”窗户：固定内部窗口面板（广泛称为“室内风暴窗”，即使他们不保护Windows）以相对较低的价格开始提供不引人注目的高性能，并且在外部风暴Windows赢得的地方特别受欢迎’t work—in historic homes, condominiums, long-term rental properties, and on dangerously high windows. They are made of plastic or glass—sometimes even low-e glass, which costs more—and come with different framing materials (most commonly aluminum). Some have operable parts and can remain in place year-round, but most have to be removed seasonally; this is the main drawback of interior panels, as they can block emergency exits through the window and also require space for safe storage. Plexiglas or Lexan panels can also scratch or fog more easily than glass, although manufacturers have largely addressed these problems—if you follow their cleaning instructions. According to LBNL research, low-e interior window panels offer a number of benefits when properly installed. They improve R-value by about 2, increase comfort by creating a barrier between the cold window glass and the room, and do a pretty good job of sealing air leaks; the tight seal on the interior also helps reduce condensation by preventing warm, moist indoor air from entering the window assembly and being chilled by the air near the cold glass. These panels also block outdoor noise very effectively, if they are airtight. Low-e versions have a radiant barrier that further reduces heat loss, bringing the entire window assembly almost up to par with low-e double-pane replacement windows.
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你好，蒂莫西，我也在双子城。我不知道他们会不会还钱。四十多年前，当我还是个年轻人的时候，我一直在尝试销售能量升级产品。我不可能以经济回报为理由卖掉它们。以低于成本的价格出售令人沮丧。
有一天，我强调他们会更舒服。从那以后就一直这样。
我敢说你会更舒服。
嗨,迈克!很高兴在这里“遇见”来自同一地区的人。
我很欣赏你的洞察力，这是一个很好的观点。一开始，我需要把一个暖气片搬到我女儿冰冷的卧室里，这让我想到了室内风暴。也许应该把项目从“房子里的每一扇窗户”缩小到“房间里那些容易变得太冷/太热的窗户”。
我在考虑自己动手做，购买1/8英寸的连续浇铸亚克力板，并在外缘上定制白色硅胶灯泡垫圈(妻子的要求是白色的……在任何地方都找不到这个标准)。把所有东西切成合适的尺寸，把垫片放在边缘。按进画框，画窗和平窗用风暴替换屏幕。看到问题了吗?我需要观察冷凝情况并可能处理它。
承认你的内部风暴计划是有风险的。这取决于你的室内湿度和暴风雨的密封程度。如果你的防风窗的想法有效，原来窗户的玻璃会更冷，更有可能落在你家空气的露点以下。如果任何空气通过了风暴，原来的窗户就会变湿，很可能会有水从玻璃上流走。水会流向哪里?水会造成什么损害?那里的潮湿和温暖是否足够长时间让霉菌生长?
我并不是说不要尝试去考虑和理解风险。
如果真正的问题是一个寒冷的卧室，得到能源审计与红外摄影和鼓风机门测试。我的猜测是，找到并修复缺失的隔热层和穿风会让房间比防风窗更舒适。
Walta
嗨,蒂莫西,
如果建造和安装得好，室内或室外的防风窗可以提高性能。但我倾向于同意沃尔特的观点:我将从能源审计开始。如果你的房子漏水或缺乏热量，除非你首先注意这些问题，特别是如果你的房子有漏水的盖子，否则你可能不会对暴风雨感到太舒服。阁楼的密封和隔热怎么样?
不得不说，在80年代没有好的做法。去内部风暴。这将是你能花的最好的80美元。12-14瓶好啤酒。我们爱我们的。你可以坐在窗户旁边在零下(F)温度，没有任何感觉。我们最喜欢的是威斯康星州西南部的尤金:
http://www.energywisemfg.com/
我们对我们的大飘窗和露台门做了同样的处理。没有漏气，所以没有水分问题。在我的深能量改造中，我说服了很多客户尝试，他们都喜欢我。生活应该是舒适的。
不要谈论“偿还”，除非你能解释为什么你买了一辆在离开停车场时损失了500%的车。
“除非你能解释清楚为什么你买了一辆在离开停车场时就损失了500%的车，否则不要谈论‘还钱’。”
当它离开停车场时，它仍然有正的价值，除非你在匆忙逃离汽车销售机器人时撞到了某人。如果损失500%的价值，你将欠某人4倍的支付价格，只有负的剩余价值。
也许这句话的意思是“…失去了50%的价值……”？
窗户的回报几乎从来都不是财务上的，但它们往往以舒适的方式“回报”。
在合理的短时间内，对外部风暴窗上的低辐射玻璃的加价“回报”了财政上的回报，但不是风暴窗的全部安装成本——只有玻璃升级的成本。
如果你有一个能量模型，你可以在下表中查看风暴窗口(低E或不低E)对窗口u因子的影响;我相信是来自LBNL的数据。由此，你可以掌握成本效益。
我也曾尝试过类似的情况——大约在20世纪90年代，在一座1910年的建筑中使用了乙烯框架双层玻璃(透明)替换窗户，并在一个很少使用的窗户(食品储藏室，洗衣机上方)添加了一个室内风暴。该单位是来自内玻璃的低E风暴(https://stormwindows.com/）．在寒冷的日子里，它会凝结——你在第二幅图中看到的结霜是在波士顿地区的2楼。我一直在盯着窗户看有没有霉菌生长，损坏，IGU封条失效…目前还没有，自2017年以来一直在服役。
绿色建筑(特别是彼得·约斯特)写了一篇关于升级现有窗户的长篇文章。我记得有一点是担心内部风暴会增加玻璃单元的温度，增加破坏密封件的风险。不过，这篇文章是在付费墙后面。https://www.buildinggreen.com/feature/making-windows-work-better．相关摘录如下:
室内“风暴”窗户：固定内部窗口面板（广泛称为“室内风暴窗”，即使他们不保护Windows）以相对较低的价格开始提供不引人注目的高性能，并且在外部风暴Windows赢得的地方特别受欢迎’t work—in historic homes, condominiums, long-term rental properties, and on dangerously high windows. They are made of plastic or glass—sometimes even low-e glass, which costs more—and come with different framing materials (most commonly aluminum). Some have operable parts and can remain in place year-round, but most have to be removed seasonally; this is the main drawback of interior panels, as they can block emergency exits through the window and also require space for safe storage. Plexiglas or Lexan panels can also scratch or fog more easily than glass, although manufacturers have largely addressed these problems—if you follow their cleaning instructions. According to LBNL research, low-e interior window panels offer a number of benefits when properly installed. They improve R-value by about 2, increase comfort by creating a barrier between the cold window glass and the room, and do a pretty good job of sealing air leaks; the tight seal on the interior also helps reduce condensation by preventing warm, moist indoor air from entering the window assembly and being chilled by the air near the cold glass. These panels also block outdoor noise very effectively, if they are airtight. Low-e versions have a radiant barrier that further reduces heat loss, bringing the entire window assembly almost up to par with low-e double-pane replacement windows.