Different Glazing Technologies for Double Glazed Windows
Basic double glazed windows consist of two glass panes with a space in between, allowing for much better insulation than traditional single paned windows. But there are also added features on double glazing products that can create an even better level of insulation and make your home more comfortable. From the glass itself to the spacing and added films, window manufacturers are developing new technologies to make this product line even better for homeowners.
Low-E Coatings
Commonly termed low E windows, these products feature a low-emissivity coating that acts as an insulator and barrier. This thin coating of metal oxide is layered onto the exterior side of the interior glass pane. Sunlight can pass through the coating, but the heat it creates is effectively blocked from escaping the house.
This low-E coating also filters the UV rays from the sunlight, which helps to protect your furniture and flooring from fading. Homes with this style of window may also find less condensation build up because the metal oxide keeps the interior pane and window frame warmer.
Industry experts state that a good quality low-E double glazed product line has the same insulation value of a triple glazed window. They also deliver the benefit of being much lighter and easier for the contractors to handle, which may result in a cost savings.
Inert Gas Added
Some window manufacturers also add inert gases to the space between the two window panes, mainly krypton or argon. The window is sealed, which effectively traps the gas and allows it to create a well insulated barrier against heat loss. Gases make the air dense and knock down the thermal conductivity, meaning less heat will transfer through, although the sunlight and view are not blocked.
This option tends to be a low cost addition to good quality double glazed windows that adds to the effectiveness of the window. Argon is the most common gas fill used since it is inexpensive and readily available.
Reducing Glare with Colour
In commercial and apartment buildings you may also see coloured double glazing. Designed to cut down on solar heat and reduce the glare, this technology is not recommended for residential dwellings due to the cost and easier alternatives.
If glare is a problem in your home, planting shrubs and trees will go a long way to reducing it. Also, awnings and shutters are effective and can be used only when needed. If you do decide to tint the windows on your home for reduced glare be sure to have a professional complete the job or you risk damaging the construction and altering the design of double glazed windows.
There are various double glazing options available to home owners so it is important to understand the double glazing costs that you are likely to receive.
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