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A ventless gas fireplace has no chimney

A ventless gas fireplace has no chimney
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A water heater and furnace are protected from flood waters by a concrete floodwall, with a shielded, gasketed door.

A water heater and furnace are protected from flood waters by a concrete floodwall, with a shielded, gasketed door.
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A water heater is anchored to 2 x 4 wood blocking that is attached to the wall studs.

A water heater is anchored to 2 x 4 wood blocking that is attached to the wall studs.
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Active, closed loop water heater

Active, closed loop water heater
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After securing the inner coil, cover the draw band and the seam with a generous amount of mastic

After securing the inner coil, cover the draw band and the seam with a generous amount of mastic
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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
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Air seal a heat pump or air conditioner air handler cabinet at all seams, holes, and junctions

Air seal a heat pump or air conditioner air handler cabinet at all seams, holes, and junctions
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Air seal all holes and seams in the furnace cabinet with mastic, foil tape, or putty

Air seal all holes and seams in the furnace cabinet with mastic, foil tape, or putty
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Air seal and insulate flex ducts

Air seal and insulate flex ducts
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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
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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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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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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 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 in-line exhaust fan supplements the ability to exhaust moisture-laden air and lint from a dryer

An in-line exhaust fan supplements the ability to exhaust moisture-laden air and lint from a dryer
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An indoor water heater should be secured to the wall’s studs to prevent it from moving or tipping over in the event of an earthquake

An indoor water heater should be secured to the wall’s studs to prevent it from moving or tipping over in the event of an earthquake
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An innovative U-shaped heat pump offers SEER 15 efficiency and operation with smart phones

An innovative U-shaped heat pump offers SEER 15 efficiency and operation with smart phones
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Andy Roe Describes the Ground Source Heat Pump at Weller Elementary

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Ask the Expert: Clothes Dryers Have Earned the ENERGY STAR!

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Assembled section of fiber board duct

Assembled section of fiber board duct