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An Energy Recovery Ventilator provides outside air to this dwelling unit; a range hood with dedicated makeup air provides local kitchen exhaust; a radiant heating system provides heating

An Energy Recovery Ventilator provides outside air to this dwelling unit; a range hood with dedicated makeup air provides local kitchen exhaust; a radiant heating system provides heating
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An HRV or ERV provides balanced ventilation

An HRV or ERV provides balanced ventilation
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An independent ducted dehumidifier draws air from and supplies air to the living space using its own ducts, not ducts that are connected to the HVAC system

An independent ducted dehumidifier draws air from and supplies air to the living space using its own ducts, not ducts that are connected to the HVAC system
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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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An investigation of this garage door weatherstripping shows that the installed seal wasn’t long enough to extend across the entire length of the door and it appears that rodents chewed into the weatherstripping on the right to make the hole even larger.

An investigation of this garage door weatherstripping shows that the installed seal wasn’t long enough to extend across the entire length of the door and it appears that rodents chewed into the weatherstripping on the right to make the hole even larger.
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An oil-fired boiler with direct combustion air and exhaust venting

An oil-fired boiler with direct combustion air and exhaust venting
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Anode bars can protect boiler steel without the bad effects of chemical water treatment

Anode bars can protect boiler steel without the bad effects of chemical water treatment
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Assembled section of fiber board duct

Assembled section of fiber board duct
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Assembly can be used in IECC CZ 3 and above to thermally isolate garages in multifamily row houses with slab foundations. For unheated garages, it is unnecessary to insulate wall between garage and exterior of slab or slab underneath garage.

Assembly can be used in IECC CZ 3 and above to thermally isolate garages in multifamily row houses with slab foundations. For unheated garages, it is unnecessary to insulate wall between garage and exterior of the slab or the slab underneath the garage.
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At the outlet of the dryer exhaust duct, install a hooded vent with a louvered damper

At the outlet of the dryer exhaust duct, install a hooded vent with a louvered damper
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Average wet-bulb temperatures across the United States

Average wet-bulb temperatures across the United States
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Back-draft damper still has a piece of tape that prevented it from rattling during shipping

Back-draft damper still has a piece of tape that prevented it from rattling during shipping
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Baffles are installed to protect airflow from the soffits to the ridge vents before the ceiling drywall and attic insulation are installed.

Baffles are installed to protect airflow from the soffits to the ridge vents before the ceiling drywall and attic insulation are installed.
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Balanced ventilation dominates ventilation specifications by Zero Energy Ready Home builders

Balanced ventilation dominates ventilation specifications by Zero Energy Ready Home builders
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Balanced ventilation strategy for conditioned attic spaces

Balanced ventilation strategy for conditioned attic spaces
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Bathrooms should be equipped with an exhaust fan that vents directly outdoors

Bathrooms should be equipped with an exhaust fan that vents directly outdoors
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Batt insulation is not an effective air barrier

Batt insulation is not an effective air barrier
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Because flue temperatures are cool, intake and exhaust ducts on a Category 4 direct-vent sealed-combustion condensing furnace can be made of PVC

Because flue temperatures are cool, intake and exhaust ducts on a Category 4 direct-vent sealed-combustion condensing furnace can be made of PVC
Case Study:

Bedford Farmhouse High Performance Retrofit Prototype

Bedford Farmhouse High Performance Retrofit Prototype
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Bedrooms pressure-balanced and provide 1 sq. in. of free area opening per 1 CFM of supply air or achieve a Rater-measured pressure differential ≤ 3 Pa

Bedrooms pressure-balanced and provide 1 sq. in. of free area opening per 1 CFM of supply air or achieve a Rater-measured pressure differential ≤ 3 Pa
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Bedrooms pressure-balanced and provide 1 sq. in. of free area opening per 1 CFM of supply air or achieve a Rater-measured pressure differential ≤ 3 Pa

Bedrooms pressure-balanced and provide 1 sq. in. of free area opening per 1 CFM of supply air or achieve a Rater-measured pressure differential ≤ 3 Pa
Case Study:

Best Practices Case Study: S&A Homes, East Liberty, PIttsburgh, PA

Best Practices Case Study: S&A Homes, East Liberty, PIttsburgh, PA
Case Study:

Best Practices Case Study: Shaw Construction Burlingame Ranch Ph.1, Aspen, CO

Best Practices Case Study: Shaw Construction Burlingame Ranch Ph.1, Aspen, CO
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Block off registers before installing spray sealant in HVAC ducts

Block off registers before installing spray sealant in HVAC ducts