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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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HVAC ducts, cavities used as ducts, and combustion inlets and outlets may pass perpendicularly through exterior walls but shall not be run within exterior walls unless at least R-6 continuous insulation is provided on exterior side of the cavity
HVAC ducts, cavities used as ducts, and combustion inlets and outlets may pass perpendicularly through exterior walls but shall not be run within exterior walls unless at least R-6 continuous insulation is provided on exterior side of the cavity
HVAC ducts, cavities used as ducts, and combustion inlets and outlets may pass perpendicularly through exterior walls but shall not be run within exterior walls unless at least R-6 continuous insulation is provided on exterior side of the cavity
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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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Inadequate amount of insulation installed with compression, misalignment, and voids
Inadequate amount of insulation installed with compression, misalignment, and voids
Inadequate amount of insulation installed with compression, misalignment, and voids
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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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No insulation installed in cavity and not air sealed
No insulation installed in cavity and not air sealed
No insulation installed in cavity and not air sealed
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Wrong: Open wall cavities in the un-air-sealed return plenum connect the plenum to attic spaces
Wrong: Open wall cavities in the un-air-sealed return plenum connect the plenum to attic spaces
Wrong: Open wall cavities in the un-air-sealed return plenum connect the plenum to attic spaces
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Wrong: open wall cavity connected to this return air plenum is allowing cellulose attic insulation to be pulled into the furnace
Wrong: open wall cavity connected to this return air plenum is allowing cellulose attic insulation to be pulled into the furnace
Wrong: open wall cavity connected to this return air plenum is allowing cellulose attic insulation to be pulled into the furnace
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Wrong: The return plenum is not air sealed to separate it from the wall cavities and it should not be used for storage
Wrong: The return plenum is not air sealed to separate it from the wall cavities and it should not be used for storage
Wrong: The return plenum is not air sealed to separate it from the wall cavities and it should not be used for storage
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Wrong: This return air plenum is not lined and air sealed
Wrong: This return air plenum is not lined and air sealed
Wrong: This return air plenum is not lined and air sealed
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Wrong: This wall cavity is open to the attic allowing unconditioned, attic air to enter the HVAC system, bypassing the filter, and degrading system life and performance
Wrong: This wall cavity is open to the attic allowing unconditioned, attic air to enter the HVAC system, bypassing the filter, and degrading system life and performance
Wrong: This wall cavity is open to the attic allowing unconditioned, attic air to enter the HVAC system, bypassing the filter, and degrading system life and performance
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