Does a Kitchen Range Hood Need Makeup Air in Canada?
Canada's NBC 2015 section 9.32 covers makeup air for high-capacity range hoods. Learn when negative pressure matters and how to check local rules.
3 articles
Ventilation and Air Exchangers
Ventilation and Air Exchangers
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How to Reduce Bathroom Fan Noise: Causes and Fixes
Bathroom fan too loud? Learn the three main noise causes—motor, airflow restriction, and weak insulation—and how to fix each one step by step.
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Where Should a Bathroom Exhaust Fan Vent in Canada?
Learn where a bathroom exhaust fan must vent in Canada: roof, soffit or wall exits, forbidden locations, and duct slope and sealing rules.