Aerial Photos Now Used in UK to Map Heat Loss for Entire TOWNS!
They can map over 79 thousand buildings in some of these surveys. This company basically takes the heat loss photos gathered from airplanes, and overlays it on a map.
http://www.hotmapping.co.uk/case-study/index.htm
This is important because there is a lot of heat loss from roofs and I suspect that even the windows contribute in these aerial photos. The company that took the aerial photo’s also specializes in many other thermal imaging applications, including water under roofing.
Major Air Loss in Your House is From Windows and Doors
Here is the breakdown of where the AIR Escapes in a typical house:
10% Windows
4% Fans and Vents
2% Electric Outlets
31% Floors, Walls, and Ceiling
15% Ducts
14% Fireplace
13% Plumbing Penetrations
11% Doors
Source: U.S. Department of Energy
http://www1.eere.energy.gov/consumer/tips/air_leaks.html
First of all, it is hard to determine from this article if air loss and heat loss are direct correlatives. It is a fair assumption and very intuitive to assume they are relative. Consider the following information.
With windows, there are 5 major areas of heat gain and or loss. This is what is on the Energy Star Label of windows. They are vastly simplified here and are as follows:
1. U-Value
This is the amount of heat that a window prevents from escaping.
2. Solar Heat Gain Coefficient (SHGC)
This is how much the window heats the house from sun light.
3. Visible Light Transmittance
The amount of sunlight that enters through the window.
4. Air Leakage
How much air gets out of a house through the windows.
5. Condensation Resistance
How much a window will condensate. (Optional)
Source: http://www.aceee.org/consumerguide/envelope.htm – The American Council for an Energy-Efficient Economy
The leading research suggests that air loss and heat loss are proportional. Windows and doors are 21% which is almost 1/4 of the air loss through your house.
Another point to consider is that the reason why the Energy Star ratings are different in different areas is that the weather can be extremely different when analyzed. There is anecdotal evidence that some companies that produce windows only apply for a rating in one area.
Window Shapes
Suntech is a turnkey company. We can supply almost any type or window shape needed. Some typical shapes to consider are:
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- Awning Window
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- Casement Window
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- Double Hung Window
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- Bay Window
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- Bow Window
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- Slider Window
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- Clerestory Window
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- Jalousie Window
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- Paladian Window
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- Picture Fixed Window
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- Clerestory Window
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Welcome
Suntech is a dynamic and modern residential wood window sales and installation company in Connecticut. We aim to exceed the expectations of discerning clients throughout the region by providing turnkey sales, installation and service of residential wood window products.
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