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Air seal around all duct shafts and flues installed through ceilings, walls, or flooring to keep conditioned air from leaking into unconditioned space.

Air seal around all duct shafts and flues installed through ceilings, walls, or flooring to keep conditioned air from leaking into unconditioned space.
CAD File:

Air seal at chase walls - plan

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Air seal at chase walls - plan
CAD File:

Air seal at duct boot

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Air seal at duct boot
CAD File:

Air seal at duct soffit

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Air seal at duct soffit
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Air seal duct boot to ceiling by installing fiberglass mesh tape and mastic over seam

Air seal duct boot to ceiling by installing fiberglass mesh tape and mastic over seam
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Air seal rough opening from inside

Air seal rough opening from inside
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All dampers should be completely open in a duct system being tested for air leakage; looking at the actuator from outside the duct is not a reliable way to know damper position, so the pressure downstream of the damper should be measured

All dampers should be completely open in a duct system being tested for air leakage; looking at the actuator from outside the duct is not a reliable way to know damper position, so the pressure downstream of the damper should be measured
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All dampers should be completely open in a duct system being tested for air leakage; this damper is only partially open and should be opened fully prior to testing

All dampers should be completely open in a duct system being tested for air leakage; this damper is only partially open and should be opened fully prior to testing
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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.

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 other supply ducts and all return ducts in unconditioned space have insulation ≥ R-6

All other supply ducts and all return ducts in unconditioned space have insulation ≥ R-6
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Allow 1/32" clearance between the fastener head and the vinyl siding panel.

Allow 1/32" clearance between the fastener head and the vinyl siding panel.
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An energy recovery ventilator provides filtered fresh air to every room in the house.

An energy recovery ventilator provides filtered fresh air to every room in the house.
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An ENERGY STAR central exhaust ventilation test is performed on a rooftop ERV duct system by an ENERGY STAR MFNC rater

An ENERGY STAR central exhaust ventilation test is performed on a rooftop ERV duct system by an ENERGY STAR MFNC rater.
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An engineered bioswale uses perforated pipe laid in rock and landscape fabric at the bottom of a vegetated trench to direct water away from a site.

An engineered bioswale uses perforated pipe laid in rock and landscape fabric at the bottom of a vegetated trench to direct water away from a site.
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An erosion control blanket protects the slope from erosion and provides favorable conditions for bank revegetation

An erosion control blanket protects the slope from erosion and provides favorable conditions for bank revegetation
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An example of the water budget tool report for determining a home's landscaping irrigation needs.

An example of the water budget tool report for determining a home's landscaping irrigation needs..
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An exhaust fan pulls damp air out of a retrofitted sealed crawlspace while drawing in dry air from the living space

An exhaust fan pulls damp air out of a retrofitted sealed crawlspace while drawing in dry air from the living space
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An in-line airflow station installed in rigid duct provides a location to measure ventilation airflow

An in-line airflow station installed in rigid duct provides a location to measure ventilation airflow
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An on-demand hot water pump speeds water delivery to the low-flow plumbing fixtures for significant water and energy savings.

An on-demand hot water pump speeds water delivery to the low-flow plumbing fixtures for significant water and energy savings.
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An uninsulated (or existing insulated) basement slab is retrofitted to reduce moisture transmission by sealing with epoxy paint.

An uninsulated (or existing insulated) basement slab is retrofitted to reduce moisture transmission by sealing with epoxy paint.
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Annual mean precipitation across the U.S.

Annual mean precipitation across the U.S.
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Any holes through the vapor barrier installed over the basement floor slab are thoroughly sealed as part of the foundation water barrier system.

Any holes through the vapor barrier installed over the basement floor slab are thoroughly sealed as part of the foundation water barrier system.
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Apply a nylon tie on top of the tape.

Apply a nylon tie on top of the tape.
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Apply a robust amount of UL-181 fiber reinforced duct sealant mastic paste to cover well past the edges of the tape.

Apply a robust amount of UL-181 fiber reinforced duct sealant mastic paste to cover well past the edges of the tape.