What about triple glazing?

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Triple Glazed Windows

High performance windows are energy efficient and help contain and conserve heat in the home. They prevent wind and rain from resisting condensation while allowing the sun's natural heat to penetrate the housing and provide heat.

How does triple glazing compare?

Aside from the number of windows, the design of triple glazed windows is basically the same as that of double-glazed windows. In both cases, the gaps between the windows provide the insulating layers that slow down the heat loss and reduce the formation of condensation.

Recent Developments in Triple Glazing

Until relatively recently, triple-glazed windows were double-glazed and frames were too deep to accommodate standard wall thicknesses and expensive to install. produce. Recent developments in triple glazed windows have been solved in thinner profile frames and flush hung design that are visually pleasing and offer improved performance at an affordable price.

Multiple glazing

It is physically possible to manufacture high performance windows with more than three layers of glazing but, with the addition of efficient stoves, the thermal value decreases to the point that the advantage thermal does not measure profitability. In addition, with each additional pane, the transmission of light and the clarity of the reduction of vision.

High Performance Windows

Whether the windows are triple or double glazed, apart from the number of windows, they still have the same design features. All new windows are evaluated according to the same criteria, which takes into account their overall performance. House window frames are generally made from low-conductivity materials, such as softwood, hardwood, PVC (u-pvc), fiberglass and composites. Insulated hollow frames can further reduce heat loss and improve comfort.

Low Emissivity Glass (Low Emissivity Glass)

In order to achieve the U values ​​required by current legislation, low E glass should be used in triple- and double-glazed windows. The low emissivity coating allows the heat of the sun to enter the building, but greatly reduces the heat loss from the inside by reflecting the radiant heat in the room.

Glass tile spacers

The two or three glass tiles are separated from each other by a "separator". Most spacers are constructed of either stainless steel or aluminum for thermal expansion, stability and cost reasons. To reduce heat transfer across the spacer and to increase overall thermal performance, the spacer can be constructed of fiberglass or a hybrid design of metal and plastic.

Inert gas filling

The gaps between the poles provide the insulating layers which slow down the heat loss and reduce the formation of condensation. The air is a good reliable insulator, but the inert gases are much better because of their low thermal conductivity. The most commonly used inert gas in triple glazed units is argon. The inert gases krypton and xenon are thermally more efficient but more expensive.

Window Energy Estimates

Certified windows are labeled with qualities A to E. Window dimensions are designed to allow accurate comparison of thermal performance of windows under identical conditions. The ratings take into account the amount of heat lost through the windows as well as the volume of air leakage inside or outside the window when it is closed. The triple and double glazed windows are evaluated according to the same criteria. Due to the presence of the second gap, it can be expected that the triple glazed windows are in the "oven". section of the logs.

Choosing a Window Type

When choosing windows, it is important to compare the thermal resistance of the exterior wall with that of the window you want to install. If the wall has been built to a high thermal standard then it follows that a high performance window needs to be installed. This could be a highly rated double or triple glazed window. If the exterior wall has a low thermal resistance, the installation of a high performance window can be unwise and unnecessarily expensive. In this case, double glazing with a lower rating may suffice. Before making the final decision on the choice of window, it is advisable to seek the advice of a qualified building professional or a window specialist.

If you want to know more about double or triple glass and low glass E why not visit http://www.LowEnergyHouse.com

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Source by David Stoppard

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