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  • Writer's pictureZack Jurkowski

The Importance of Exhaust Fans in Your Montreal Bathroom Renovation: Do You Really Need One?

As a licensed general contractor in Montreal specializing in bathroom and kitchen renovations, I often get asked whether exhaust fans are really necessary in bathrooms. The short answer is yes, and not just for odor control, but also for health and safety reasons.

Why Do Bathrooms Have Exhaust Fans?

First and foremost, let's talk about the purpose of an exhaust fan. Its main function is to remove excess moisture and odors from the bathroom. Bathrooms are high-moisture areas, and if the moisture is not vented out, it can lead to mold growth, which is not only unsightly but can also be detrimental to your health.

But, let's be real, the main reason most people install an exhaust fan is for odor control. Nobody wants to walk into a bathroom that smells like a frat party. But, did you know that just flushing the toilet can release bacteria and particles into the air, which can cause illness if left to linger? That's where the exhaust fan comes in, removing those nasty particles before they have a chance to spread.

Does My Bathroom Need An Exhaust Fan?

Now, you might be wondering whether exhaust fans are required by code in Montreal. The answer is, yes, they are. In fact, according to the Quebec Construction Code, any bathroom that doesn't have an operable window must have a mechanical exhaust system. So, if you're renovating your bathroom, make sure to include an exhaust fan in your plans.

Where Does The Exhaust Go?

But, it's not just enough to have an exhaust fan. It needs to be properly installed and vented to the outside of the building. Venting into the attic or soffit may seem like a good idea, but it can actually create a perfect storm for mold growth. The moisture and warm air will have nowhere to go and will eventually lead to condensation and mold growth. Instead, the exhaust needs to exit the building through the brick, siding, or roof.

Designer Bathroom Exhaust Fan

A standard exhaust fan with a plastic cover is a basic option for removing moisture and odors from your bathroom. It typically has a plastic grille or cover that can become discolored or damaged over time, and may not blend in seamlessly with your bathroom décor.

An Aria Vent Drywall Pro X exhaust cover, on the other hand, is a more aesthetically pleasing option that can be seamlessly integrated into your bathroom's ceiling. It has a flush mount design that creates a clean, modern look, and can be painted to match your ceiling color for a truly invisible look.

In Conclusion

Now, I know talking about bathroom odors and mold growth isn't the most glamorous topic, so let's add a bit of humor to it. Did you hear about the constipated accountant? He couldn't budget, so he had to work it out with a pencil.

All jokes aside, having an exhaust fan in your bathroom is important for your health and safety, as well as for odor control. Make sure to follow the Quebec Construction Code and have it properly installed and vented to the outside of the building. And, if you ever need a licensed general contractor in Montreal specializing in bathroom and kitchen renovations, don't hesitate to give me a call!


Montreal Contractors is a qualified company, holding an active bonded license as a General Contractor and Specialized Contractor with the Régie du Bâtiment du Québec (RBQ License: 5767-5480-01), ASP Health & Safety Certification and a $2M liability policy. Our employees have all passed background checks, are registered with CNESST and have their ASP Health and Safety certification.

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