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We explain the advantages of double glazing, how much you could save on your energy bills and what types of double glazing are available. We explain how double glazing works, how much you could save on your energy bills, the different types of double glazing frames, and what the energy ratings mean. For many
The Window Energy Ratings is a scale designed by the British Fenestration Ratings Council to measure the thermal performance of windows. The Window Energy Ratings (WER) scale runs from A to G, with A being awarded to the most energy efficient windows. The WER take into account the U-Value, the solar heat gain (g
In addition to improving comfort, windows with high insulating values are less likely to have problems with condensation. For instance, when it is 0°F outside, the inside surface temperature of a double-pane glass window is about 44°F, but for a high-performance window it jumps to about 56°F. High-performance windows
Windows are often described by the number of glazings (or glass layers) they contain: Single-glazed = One pane of glass. Double-glazed = Two panes of glass. Triple-glazed = Three panes of glass. Quad-glazed = Four panes of glass. Generally, the more glazings, the better insulation a product offers. Spacer: A component
Jul 10, 2015 Increasing the number of panes in a window improves the insulating value of the window, so clear double glazing has an R-value of about 2 (equivalent to U-0.5), and clear triple glazing has . Book: Residential Windows: A Guide to New Technology and Energy Performance, 3rd Edition, Carmody et al ).
For labeling energy-efficient windows, ENERGY STAR® has established minimum energy performance rating criteria by climate. Low-e coatings—microscopically thin, virtually invisible metal or metallic oxide layers deposited directly on the surface of glass—control heat transfer through windows with insulated glazing.
May 28, 2012 Is it just appliances that receive an energy efficient rating? Not at all – homes can receive them too. For example let's say your neighbour's home still has the original single glazed windows, no insulation in the loft and an old boiler. In contrast yours has double glazing, loft insulation and an eco-friendly
Window Energy Ratings. In 2005, the Glass and Glazing Federation took over the British Fenestration Rating Council (BFRC) and significantly increased its brand awareness and the widespread acceptance of WERs through the large numbers of licences & licence holders. The GGF and BFRC also gained Government
Double glazed windows have two sheets of glass with a gap in between, usually about 16mm, to create an insulating barrier that keeps heat in. . Some window manufacturers show the energy efficiency of their products using an energy-rating scale from A++ to E. The whole window (the frame and the glass) is assessed
If you roughly halve the U-value of the window by selecting double glazing, you can halve the heat loss — in this example avoiding about 3,000W of heat loss, . Energy efficiency provisions state that windows performance data must be determined in accordance with the guidelines of the Australian Fenestration Rating

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February 2018