indoor air quality - certainteed · the importance of indoor air quality health safety comfort....
TRANSCRIPT
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Indoor Air QualityIndoor Air Quality
The Art of Building Science
smThe Art of Building Science
sm
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The Importance of Indoor Air QualityThe Importance of Indoor Air Quality
Health
Safety
Comfort
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Health:Occupant Respiratory ProblemsHealth:Occupant Respiratory Problems
!Asthma
!Allergies
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SafetySafety
!Carbonmonoxide
!Back-drafting(fire safety)
!Radon
The strongest fans win
Exhaust Back-draft
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ComfortComfort
!Controlled moisture/humidity levels
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Sources of Poor Indoor Air Quality (IAQ)Sources of Poor Indoor Air Quality (IAQ)
!Moisture
!Volatile organiccompounds (VOC)
!Combustion smoke
!Radon
!Mold spores, dust mites, pollen
!Airborne particles
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Indoor Air QualityProduct CertificationIndoor Air QualityProduct Certification
!Look for theGreenGuard� sealon fiber glassinsulation products
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Indoor Air QualityProblems and SolutionsIndoor Air QualityProblems and Solutions
!Poorly designed air distribution systems
!Competing air pressure
!Odors
!Attached garages
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Problems Resulting from PoorlyDesigned Air Distribution SystemsProblems Resulting from PoorlyDesigned Air Distribution Systems
!Discomfort caused by improper airtemperature and/or humidity
!Discomfort caused by dust, mold sporesand pollen
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HVAC Design SolutionsHVAC Design Solutions
!Seal ducting withappropriate masticadhesive or tape
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HVAC Design SolutionsHVAC Design Solutions
!Locate ductingwithin theconditioned orsemi-conditionedspace
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HVAC Design SolutionsHVAC Design Solutions
!Use ducted returns,not wall orfloor chases
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HVAC Design SolutionsHVAC Design Solutions
!Design the HVAC system for propermoisture removal
!Use and maintain air filters
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HVAC Design SolutionsHVAC Design Solutions
!Use duct liner orboard productswith enhancedsurfaces, likeToughGard� ES
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Problems Caused by CompetingAir PressuresProblems Caused by CompetingAir Pressures
!Back draftingfurnace orfireplace
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Problems Caused by CompetingAir PressuresProblems Caused by CompetingAir Pressures
!Combustionapplianceback-draft
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Problems Caused by CompetingAir PressuresProblems Caused by CompetingAir Pressures
!Pressurizationtesting showspressuredifferentials
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Air Pressure SolutionsAir Pressure Solutions
!Design balanced air distribution system
!Provide fresh air ventilation
!Use direct vent combustion systems
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Odor ProblemsOdor Problems
!Cooking odors
!Combustion byproducts
!Bathroom odors
!Mold & mildew
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Odor SolutionsOdor Solutions
!Natural ventilation
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Odor SolutionsOdor Solutions
!Exhaust fan
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Odor SolutionsOdor Solutions
!Mechanicallyinduced freshair ventilation
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Odor SolutionsOdor Solutions
!Direct ventcombustionsystems
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IAQ Problems in RoomsAdjacent to GaragesIAQ Problems in RoomsAdjacent to Garages
!Surface staining
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IAQ Problems in RoomsAdjacent to GaragesIAQ Problems in RoomsAdjacent to Garages
!Spaceconnection
Room A
bove Gara
ge
Room A
bove Gara
geSeams Should
Be Sealed
Seams Should
Be Sealed
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IAQ Problems in RoomsAdjacent to GaragesIAQ Problems in RoomsAdjacent to Garages
!Dangerouscombustionproducts
!Chemical odorsand fumes
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IAQ Solutions in RoomsAdjacent to GaragesIAQ Solutions in RoomsAdjacent to Garages
!Create an effective air barrier
!Seal penetrations
!Maintain neutral or slightly positivehouse pressure
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Healthful IAQ is Your ResponsibilityHealthful IAQ is Your ResponsibilityAmerican Lung Association
www.lungusa.org
Health Housewww.healthhouse.org/iaq
U.S. Environmental Protection Agency (EPA)www.epa.gov.iaq
U.S. Consumer Protection Safety Commission (CPSC)www.cpsc.gov
The American Indoor Air Quality Council (AIAQC)http://iaqcouncil.org
Indoor Air Quality Association, Inc.www.iaqa.org
American Society of Heating, Refrigerating and Air-ConditioningEngineers, Inc. (ASHRAE)
www.ashrae.org
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