Reports on a project to assess the air infiltration performance of new residential windows and compare field test results with anticipated performance. Supporting tests and techniques included air leakage tests of windows in the factory, leakage testing of the window/wall installation crack and infrared thermography of test conditions. Tests were also run to determine performance of new windows during cold weather, the possible change in performance over time, the performance of fixed sash and of old and retrofit windows. Presents results of pilot study.
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