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Air seal door and window rough openings with backer rod, caulk, or nonexpanding foam
An NFRC glazing system energy performance label will report U-factor, solar heat gain coefficient, visible transmittance, and air leakage; if the window is ENERGY certified, the ENERGY STAR label will be located next to the NFRC label
Install an ENERGY STAR labeled insulated door with an automatic closer. Weather strip the door frame