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Air handler platforms used as return air plenums can draw air from vented attics and crawlspaces through other connected framing cavities
Air handler platforms used as return air plenums can draw air from vented attics and crawlspaces through other connected framing cavities
Air handler platforms used as return air plenums can draw air from vented attics and crawlspaces through other connected framing cavities
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Ducts should not be located in exterior wall cavities
Ducts should not be located in exterior wall cavities
Ducts should not be located in exterior wall cavities
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Floor joist cavities can make acceptable duct chases
Floor joist cavities can make acceptable duct chases
Floor joist cavities can make acceptable duct chases
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Floor joist cavities can make acceptable duct chases
Floor joist cavities can make acceptable duct chases
Floor joist cavities can make acceptable duct chases
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If HVAC duct must be installed in an exterior wall, separate it from the exterior with at least R-6 of continuous rigid insulation
If HVAC duct must be installed in an exterior wall, separate it from the exterior with at least R-6 of continuous rigid insulation
If HVAC duct must be installed in an exterior wall, separate it from the exterior with at least R-6 of continuous rigid insulation
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If wall registers are desired, install HVAC ducts in interior wall cavities
If wall registers are desired, install HVAC ducts in interior wall cavities
If wall registers are desired, install HVAC ducts in interior wall cavities
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Install supply registers in floors or ceilings to avoid routing ducts through exterior walls
Install supply registers in floors or ceilings to avoid routing ducts through exterior walls
Install supply registers in floors or ceilings to avoid routing ducts through exterior walls
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Open floor trusses used as return air plenums can draw air from any place connected to that floor
Open floor trusses used as return air plenums can draw air from any place connected to that floor
Open floor trusses used as return air plenums can draw air from any place connected to that floor
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Some builders create pan joists by attaching a solid sheet good to the bottom of a floor joist to create a return air pathway
Some builders create pan joists by attaching a solid sheet good to the bottom of a floor joist to create a return air pathway
Some builders create pan joists by attaching a solid sheet good to the bottom of a floor joist to create a return air pathway
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