How Would Double Paned Glass Reduce Your Heat Consumption

December 31, 2011 by  
Filed under Green Tips

The double glazed window technology is quickly catching on due to its energy saving qualities. The window consists of two glass panes with dry air in between to act as insulation. The air is also dried to prevent moisture from building up in the space. If this happened, the insulation would be reduced. How can double glazed windows reduce your energy consumption you ask, here are a few hints.

The unprotected single paned window accounts to more than 50% of heat loss in the house. When you turn the heat up in winter, warm air rises as the cool air descends. When the air reaches the cold window, it cools and hence takes longer to warm up the house. This can cause you a lot in terms of energy costs.

These issues can be a thing of the past if double paned windows are installed. If you are concerned about winter solar penetration, do not be because it does not stop the winter solar heat. However, in the summer if your window is unprotected, you must install summer shading. If the sun hits the window directly, it might require more energy to cool your house.

Double glazed windows are the same in the way they are made with minor differences such as the air put between the panes. First of all, the length of this space ranges from 9mm to 15mm, though the difference does not affect insulation much. The materials used also differ which causes the variation in level of efficiency.

The air between the panes in some models is simply dried air but other manufacturers put inert gases. One of the gases known for its poor conductivity is Argon gas. It helps to reduce heat loss due to its low conductivity and can improve efficiency of your window by about 20%.

Low emissivity glass can also be used to make the double paned windows. The glass is made of a metal oxide coating on the exterior. This helps in keeping the heat in and blocking out ultraviolet rays. This technology gives the same efficiency that can be gotten from a triple glazed window.

The technology is not at all costly as the benefits can be seen from saves energy costs. As a bonus, this window reduces cases of burglary as it is a very tough material. Some models have an inert gas that minimizes noise from the surrounding areas.

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