In North America and Europe, it is calculated buildings consume a staggering 40% of the primary energy consumption. However, this figure can significantly be reduced if the buildings are purposefully designed, constructed and used with argon-filled double-glazed windows.
Furthermore, a report released by IEA (International Energy Agency) states that from the overall energy of office buildings, 20% is being consumed on lighting, 16% to heating and 14% to cooling.
Typically, about 15–20% of building wall surface is windows. At the same time, it has been estimated that 25% of building’s energy consumption could be reduced, if the windows were argon-filled double glazed units. On the other hand, in office buildings where the glass surfaces are generally much greater, argon-filled triple glazed units can help to obtain even up to 50% energy saving compared to the use of air-filled windows. Therefore, it has become clear that windows are not merely an aesthetic element but play a primordial role when considering buildings’ maintenance costs.
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