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Abstract
The window is an important retaining structure. The gap of doors and windows cooling is an important part of building energy consumption of heating. A window with high quality and advanced construction technology can greatly enhance the air tightness of retaining structure. The experiment is air tightness test based on an energy-saving windows in a zero energy building in the cold region. After the test and analyzes on the windows, the air tightness of windows reached level 8 standard prescribed by “GB/T 7106-2008 Graduations and test methods of air permeability, water tightness, wind load resistance performance for building external windows and doors.
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