How Double Glazing Can Help Keep Your Home Cool In ... in Cardup Western Australia thumbnail

How Double Glazing Can Help Keep Your Home Cool In ... in Cardup Western Australia

Published Aug 12, 23
3 min read

Which Type Of Double Glazed Window Frame Is Right For You? in Coogee Perth

Glazing just means the windows in your house, including both openable and fixed windows, as well as doors with glass and skylights. Glazing really just implies the glass part, however it is usually utilized to describe all elements of an assembly including glass, films, frames and home furnishings. Taking notice of all of these elements will assist you to accomplish efficient passive style.



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Energy-efficient glazing makes your home more comfy and dramatically minimizes your energy costs. Inappropriate or inadequately developed glazing can be a significant source of undesirable heat gain in summer and significant heat loss and condensation in winter. Approximately 87% of a house's heating energy can be gained and as much as 40% lost through windows.

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Glazing is a considerable financial investment in the quality of your home. A preliminary financial investment in energy-efficient windows, skylights and doors can significantly reduce your annual heating and cooling costs.



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This tool compares window selections to a base level aluminium window with 3mm clear glass. Comprehending a few of the key homes of glass will help you to select the very best glazing for your home. Secret homes of glass Source: Adapted from the Australian Window Association The amount of light that goes through the glazing is understood as noticeable light transmittance (VLT) or noticeable transmittance (VT).

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The U worth for windows (expressed as Uw), explains the conduction of the whole window (glass and frame together). The lower the U worth, the greater a window's resistance to heat circulation and the better its insulating worth.

For example, if your house has 70m2 of glazing with aluminium frames and clear glass with a U worth of 6. 2W/m2 C, on a winter season's night when it is 15C cooler outside compared to inside your home, the heat loss through the windows would be: 6. 2 15 70 = 6510W That is comparable to the total heat output of a big space gas heater or a 6.

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If you choose a window with half the U worth (3. 1W/m2 C) (for example, double glazing with an argon-filled space and less-conductive frames), you can halve the heat loss: 3. 1 15 70 = 3255W The solar heat gain coefficient (SHGC) for windows (revealed as SHGCw) measures how readily heat from direct sunlight streams through an entire window (glass and frame together).

The lower a window's SHGC, the less solar heat it sends to the home interior. The actual SHGC for windows is affected by the angle that solar radiation strikes the glass.

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When the sun is perpendicular (at 90) to the glass, it has an angle of incidence of 0 and the window will experience the optimum possible solar heat gain. The SHGC declared by glazing makers is constantly calculated as having a 0 angle of occurrence. As the angle increases, more solar radiation is reflected, and less is transmitted.