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A tree of main vents is installed on top of drip piping

A tree of main vents is installed on top of drip piping
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A vacuum decay test is performed on this ductless mini-split heat pump using a digital micron gauge for accurate measurement; a deep vacuum is achieved quickly by using large diameter, vacuum-rated hoses, and removing valve cores

A vacuum decay test is performed on this ductless mini-split heat pump using a digital micron gauge for accurate measurement; a deep vacuum is achieved quickly by using large diameter, vacuum-rated hoses, and removing valve cores
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A ventilation controller with a manual override is located on a central air handler fan that is located in an accessible location

A ventilation controller with a manual override is located on a central air handler fan that is located in an accessible location
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A ventless gas fireplace has no chimney

A ventless gas fireplace has no chimney
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A water softener collects water, filters it to remove minerals, and then sends it to the home's plumbing distribution system

A water softener collects water, filters it to remove minerals, and then sends it to the home's plumbing distribution system
Presentation:

A Whole New World – ENERGY STAR + HVAC Grading

Presentation:

Advances in Manufactured Home Energy Efficient Design

Advances in Manufactured Home Energy Efficient Design
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After getting a new water heater into place, reattach the hot and cold water (left) and the electricity (right).

After getting a new water heater into place, reattach the hot and cold water (left) and the electricity (right).
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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
Video:

Air Admittance Vents

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Air flow is produced when central HVAC fan is energized (set thermostat to “fan”)

Air flow is produced when central HVAC fan is energized (set thermostat to “fan”)
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Air inlet is located in a convenient place for homeowner to clean

Air inlet is located in a convenient place for homeowner to clean
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Air inlet is not convenient for cleaning and located next to exhaust outlets

Air inlet is not convenient for cleaning and located next to exhaust outlets
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Air seal and insulate flex ducts

Air seal and insulate flex ducts
CAD File:

Air seal at chase walls - plan

Preview Image
Air seal at chase walls - plan
CAD File:

Air seal at top plate pipe penetration

Preview Image
Air seal at top plate pipe penetration
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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 around all plumbing and piping installed through walls, ceilings, and flooring adjacent to unconditioned space to prevent air leakage.

Air-seal around all plumbing and piping installed through walls, ceilings, and flooring adjacent to unconditioned space to prevent air leakage.
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All components of the recirculation system should be included in the plumbing layout.

All components of the recirculation system should be included in the plumbing layout.
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All of the exhaust fans are wired to one labeled switch at the electrical panel

All of the exhaust fans are wired to one labeled switch at the electrical panel
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All of the pipes are insulated on this high-efficiency 50-gallon heat pump water heater.

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

All other supply ducts and all return ducts in unconditioned space have insulation ≥ R-6
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All return air and mechanically supplied outdoor air pass through filter prior to conditioning

All return air and mechanically supplied outdoor air pass through filter prior to conditioning
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An air vent mounted high on the radiator will shut quickly and limit the radiator’s heat output

An air vent mounted high on the radiator will shut quickly and limit the radiator’s heat output