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Roofing
Roofer Red Seal Certification
Ventilation & Insulation
Vérification des connaissances
Ventilation & Insulation
Vérification des connaissances
Vérification des connaissances
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How does a power attic vent (powered exhaust fan) differ from passive ridge ventilation?
A
Power vents and ridge vents perform identically
B
Power vents mechanically pull air through the attic, providing higher airflow than passive vents but requiring electricity and maintenance
C
Power vents provide intake air; ridge vents provide exhaust
D
Power vents are only used for heating the attic in winter
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