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Case Study:

Existing Whole-House Solutions Case Study: Multifamily Individual Heating and Ventilation Systems, Lawrence, Massachusetts

Case Study:

Existing Whole-House Solutions Case Study: National Grid Deep Energy Retrofit Pilot Program - Clark Residence

Case Study:

Existing Whole-House Solutions Case Study: Yakama Nation Housing Authority, Wapato, WA

Case Study:

Fairburn Community

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Fan CFM rating is higher than the requirement increasing the likelihood that it will meet the performance level once installed

Fan CFM rating is higher than the requirement increasing the likelihood that it will meet the performance level once installed
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Fan CFM rating is higher than the requirement increasing the likelihood that it will meet the performance level once installed

Fan CFM rating is higher than the requirement increasing the likelihood that it will meet the performance level once installed
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Fan housing was oriented in the correct direction to allow proper exhaust duct installation

Fan housing was oriented in the correct direction to allow proper exhaust duct installation
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Fan shares exhaust and does not have dack-draft damper installed

Fan shares exhaust and does not have dack-draft damper installed
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Fan shares exhaust and has a back-draft damper installed

Fan shares exhaust and has a back-draft damper installed
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Fans from seperate dwellings exhausted together without back-draft dampers and not sealed

Fans from seperate dwellings exhausted together without back-draft dampers and not sealed
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Fans supply outdoor air tempered by indoor corridor air to the corridors of a multistory multifamily building, pressurizing the corridors and providing make-up air for the elevator shaft, which is depressurized by an exhaust fan.

Fans supply outdoor air tempered by indoor corridor air to the corridors of a multistory multifamily building, pressurizing the corridors and providing make-up air for the elevator shaft, which is depressurized by an exhaust fan.
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Fiber board sheets are available with pre-cut shiplapped ends

Fiber board sheets are available with pre-cut shiplapped ends
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Fiberglass duct board typically comes in sheets 4 foot wide by 10 foot long

Fiberglass duct board typically comes in sheets 4 foot wide by 10 foot long
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Fiberglass mesh tape is installed around a duct boot in preparation for air sealing with mastic

Fiberglass mesh tape is installed around a duct boot in preparation for air sealing with mastic
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Fiberglass mesh tape is installed around a duct boot in preparation for air-sealing the seams with mastic.

Fiberglass mesh tape is installed around a duct boot in preparation for air-sealing the seams with mastic.
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Filter access panel includes gasket or comparable sealing mechanism and fits snugly against the exposed edge of filter when closed to prevent bypass

Filter access panel includes gasket or comparable sealing mechanism and fits snugly against the exposed edge of filter when closed to prevent bypass
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Filter located and installed so as to facilitate access and regular service by the owner

Filter located and installed so as to facilitate access and regular service by the owner
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Flex ducts are compressed

Flex ducts are compressed
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Flexible ducts in unconditioned space not installed in cavities smaller than outer duct diameter; in conditioned space not installed in cavities smaller than inner duct diameter

Flexible ducts in unconditioned space not installed in cavities smaller than outer duct diameter; in conditioned space not installed in cavities smaller than inner duct diameter
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Flexible ducts supported at intervals as recommended by mfr. but at a distance ≤ 5 ft

Flexible ducts supported at intervals as recommended by mfr. but at a distance ≤ 5 ft
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Flip the breakers for the water heater to the “off” position before flushing the water heater tank.

Flip the breakers for the water heater to the “off” position before flushing the water heater tank.
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For better temperature distribution and air quality, every bedroom and all of the common spaces in this home have ducted returns to the central heat pump and all bathroom exhaust fans are controlled by a condensation sensor and timer switch.

For better temperature distribution and air quality, every bedroom and all of the common spaces in this home have ducted returns to the central heat pump and all bathroom exhaust fans are controlled by a condensation sensor and timer switch.
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For fireplaces that are not mechanically drafted or direct-vented to outdoors, total net rated exhaust flow of the two largest exhaust fans is .15 CFM per 100 sq. ft. of occupiable space when at full capacity

For fireplaces that are not mechanically drafted or direct-vented to outdoors, total net rated exhaust flow of the two largest exhaust fans is .15 CFM per 100 sq. ft. of occupiable space when at full capacity
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For homes with heating registers in the ceiling or floor, air seal where the duct boots meet the ceiling drywall or the flooring to prevent heat loss around the register.

For homes with heating registers in the ceiling or floor, air seal where the duct boots meet the ceiling drywall or the flooring to prevent heat loss around the register.