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Air seal around kitchen and bathroom exhaust fans to keep conditioned air from leaking into unconditioned space.
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Air seal around recessed can light fixtures installed through ceilings to keep conditioned air from leaking into unconditioned space.
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Air seal door and window rough openings with backer rod, caulk, or nonexpanding foam
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Air seal drywall to top plates at all attic/wall interfaces to minimize air leakage.
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Air seal duct boot to ceiling by installing fiberglass mesh tape and mastic over seam
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Air seal floor joist cavities under kneewall with rigid foam, plywood, or OSB caulked in place
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Air seal the common wall between units in a multi-family structure to minimize air leakage.
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Air seal the floor above a garage when there is living space above the garage and make sure floor insulation is in full contact with the underside of the subfloor.
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Air seal the floor above an unconditioned basement or crawlspace and make sure floor insulation is in full contact with the underside of the subfloor.
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Air seal the top, bottom, and sides of a cantilevered floor cavity and ensure that insulation is in full contact with all sides without voids.
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Air speeds generated by a typical ceiling fan are in the ideal range for providing occupant cooling without causing disruption
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Air-Impermeable Insulation for Condensation Control in Unvented Attics, per IRC Table 806.5.
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Airflow can be directed across thermal mass in the ceiling, floor, or elsewhere inside the home through various window and louver configurations
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All ceiling, wall, floor, and slab insulation shall achieve RESNET-defined Grade I installation
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All components of the recirculation system should be included in the plumbing layout.
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All holes through the top plates should be sealed with canned spray foam to prevent conditioned air from leaking into the attic.
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All of the ductwork for the efficient (8.5 HSPF, 15 SEER) heat pump is mastic sealed and installed in conditioned space.
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All of the pipes are insulated on this high-efficiency 50-gallon heat pump water heater.
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All other supply ducts and all return ducts in unconditioned space have insulation ≥ R-6
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All populated regions in the United States can experience an extreme heat event, whether northern or southern, humid or dry, or urban or rural
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All return air and mechanically supplied outdoor air pass through filter prior to conditioning
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All seams between structural insulated panels (SIPs) foamed and/or taped per manufacturer's instructions
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All seams in the HVAC equipment and ductwork are sealed with mastic; because the HVAC equipment is in the garage, it is an air-sealed closet
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All vents are routed to gable walls and eaves rather than through the roof to minimize the risk of leaks and provide an uninterrupted plane for PV panels.
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Alliance Green Builders built this custom for buyer home in the hot-dry climate in Ramona, CA, and certified it to DOE Zero Energy Ready Home specifications in 2017.
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Allow two to three feet of straight duct run from the fan exhaust port to the first elbow
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Alter Eco built this attached housing home in the mixed-humid climate in Bridgeport, PA, and certified it to DOE Zero Energy Ready Home specifications in 2020.
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Although crawlspaces are not recommended in flood-prone areas, they can be designed or retrofitted to greatly increase resistance to flood damage.
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Amaris built this custom spec home in the cold climate in Afton, MN, and certified it to DOE Zero Energy Ready Home specifications in 2020.
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Amaris Custom Homes built this custom for buyer home in the cold climate in Eden Prairie, MN, and certified it to DOE Zero Energy Ready Home specifications in 2019.
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Amaris Homes built this custom for buyer home in the cold climate in Apple Valley, MN, and certified it to DOE Zero Energy Ready Home specifications in 2016.
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Amaris Homes built this custom home in the cold climate in Vadnais Heights, MN, and certified it to DOE Zero Energy Ready Home specifications in 2015.