IN HVAC ENGINEERING, VENTILATION IS VERY IMPORTANT. ALSO FRESH AIR IS VERY IMPORTANT. COMFORT IN BUILDINGS IS DEPEND ON FRESH AIR AND AMOUNT OF IT.

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PROFESSIONAL
VENTILATION
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WHY FRESH AIR?
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CARBON MONOXIDE: SOURCES
Gas, Kerosene and wood stoves, charcoal grill
Room and water heaters
Fireplace, furnace
Leaking chimneys and vents
Vehicle emissions in closed garage
Tobacco smoke
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HOW MANY FRESH AIR?
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STANDARDS
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