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Continuously-operating ventilation & exhaust fans include readily accessible override controls

Continuously-operating ventilation & exhaust fans include readily accessible override controls
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Dryer exhaust duct should vent directly to the exterior via a smooth, rigid metal duct

Dryer exhaust duct should vent directly to the exterior via a smooth, rigid metal duct
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Dryer exhaust line terminates in the crawlspace

Dryer exhaust line terminates in the crawlspace
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Dryer vent is run vertical with a 90 degree bend and does not vent to the outside

Dryer vent is run vertical with a 90 degree bend and does not vent to the outside
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Dryer vents directly to the outdoors

Dryer vents directly to the outdoors
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Dryer vents directly to the outdoors

Dryer vents directly to the outdoors
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Each unit in a multifamily building should have its own supply and exhaust ventilation

Each unit in a multifamily building should have its own supply and exhaust ventilation
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ENERGY STAR appliances like the dishwasher and refrigerator save energy and money for consumers.

ENERGY STAR appliances like the dishwasher and refrigerator save energy and money for consumers.
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ENERGY STAR-certified dishwashers save energy and money for consumers

ENERGY STAR-certified dishwashers save energy and money for consumers
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Ensure that attached garages in multifamily buildings are well-ventilated to reduce the presence of airborne contaminants in the garage and occupied space

Ensure that attached garages in multifamily buildings are well-ventilated to reduce the presence of airborne contaminants in the garage and occupied space
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Exhaust duct only mechanically fastened and not sealed

Exhaust duct only mechanically fastened and not sealed
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Exhaust duct work and penetration to the exterior have been sealed with mastic

Exhaust duct work and penetration to the exterior have been sealed with mastic
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Exhaust duct work and penetration to the exterior have not been sealed

Exhaust duct work and penetration to the exterior have not been sealed
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Exhaust fan terminates to the outside

Exhaust fan terminates to the outside
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Exhaust fans in separate dwelling units should not share a common exhaust

Exhaust fans in separate dwelling units should not share a common exhaust
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Exhaust Ventilation Testing

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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 exhaust ducts vent out through the soffit vent.

Fan exhaust ducts vent out through the soffit vent.
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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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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.