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1.3 Benefits
1.4 System Venting Requirements
VERY IMPORTANT! - 1 SQUARE FOOT OF NET FREE VENT AREA PER 750 CFM
RECOMMENDED! - 2 TO 4 SQUARE FEET OF INLET VENTS PER FAN
Vent Type Model Type Average Size Venting Sq. Ft.
Gable vent 12” x 19.5” 1.20
Dormer Vent 14” x 8” 0.70
Eave Vent Various Various
Ridge Vent Various Various
Soffit Vent Various Various