Will Double Glazing Keep My House Cool In Summer? in Glendalough Western Australia thumbnail

Will Double Glazing Keep My House Cool In Summer? in Glendalough Western Australia

Published Sep 20, 23
3 min read

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That window can send more solar heat in winter than in summer season. A west-facing window on a summertime's afternoon has an angle of incidence from near 0 approximately 30 with a large effective area of solar radiation. A north-facing window, in summertime, has a high angle of occurrence and a low reliable location of solar radiation, so can transmit less heat than a west-facing one.



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But you can quickly and easily improve the thermal efficiency of your home by changing your windows. This is among the most efficient techniques of remodelling to accomplish enhanced thermal comfort. There are countless types of glass and frames to select from. Selecting the right ones is necessary to improving the energy effectiveness of your house.

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Single glazing with clear glass is not really efficient when it comes to heat loss or gain. To improve performance, you can use single glazing with a more energy-efficient type of glass such as low emissivity (low-e) glass.

Multiple layers can be assembled with sealed cavities between each sheet of glass. IGUs typically use much better energy performance than single glazing, because they send less energy. The energy performance of IGUs likewise depends on: the properties of each layer of glass. Different glass types (for example, clear and low-e glass) can be created in an IGU.

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IGU cavities can be filled with air or a more inert, low-conductivity gas such as argon the width of the cavity. Cavity density is usually 6 to 18mm. Broader cavities offer lower (better) U values, with 12mm typically accepted as the favored space how well the cavity is sealed. Cavities need to be dry and well sealed to avoid moisture getting in.

If argon is set up to the cavity in place of air, wetness is dependably left out the level of desiccant (drying representative). The spacer (metal or polymer strip) that separates the glass layers contains a desiccant to take in any moisture. Inadequate desiccant may trigger moisture to condense on the glass surface area in cold conditions, reducing thermal efficiency.

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In fact, IGUs can provide much better energy efficiency for all environments, particularly in heated and air-conditioned homes. Cross-section detail of single, double and triple-glazing systems Low emissivity glass (frequently called low-e glass) decreases heat transfer. Low-e glass may be either high or low transmission: High transmission low-e glass has a coating that enables daytime from the sun to enter your house to accomplish excellent solar heat gain, however lowers the amount of the long wavelength infrared heat that can leave back through the window.

Low-e glass has either a pyrolytic finishing or a vacuum-deposited thin film metal finish. Pyrolytic coatings are durable and can be utilized for any glazing; vacuum-deposited coverings are soft and are only utilized within IGUs. Low-e finishes can considerably improve both U worth and SHGC; however, they need to be used properly or they will either weaken or stop working to carry out as needed.

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Low-e coatings can be utilized in mix with clear, toned or reflective glass. Low-e coverings on glazing can decrease heat transfer where needed Picture: Department of Industry, Science, Energy and Resources Toned glass has colouring additives consisted of throughout manufacture. It is readily available in different colours, typically bronze, grey, blue and green.