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Ventilation

Bathroom fan installation in Montreal

EFFICIENT VENTILATION TO PROTECT YOUR BATHROOM LONG-TERM

The steam produced by showers and baths must be effectively removed. When humidity remains in the room for too long, it promotes condensation, persistent odors, deterioration of finishes, and the growth of mold.

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BonBain Construction installs, replaces and improves bathroom ventilation systems in Montreal, Lachine, Laval, Longueuil, Brossard and on the South Shore.

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We intervene as part of a complete renovation or a redevelopment requiring an upgrade of the existing ventilation.

Ventilateur de salle de bain installé au plafond

INSTALLATION AND REPLACEMENT OF BATHROOM FANS

A high-performance fan is not chosen solely based on its power. Its airflow must be adapted to the surface area and volume of the room, but also to the length of the duct, the number of changes in direction, and the configuration of the external outlet.

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Our services may include:

  • the installation of a new bathroom fan;

  • replacing an old, noisy or inefficient appliance;

  • choosing a flow rate adapted to the dimensions of the room;

  • the installation of a silent model;

  • the addition of a timer or a humidity detector;

  • checking the existing exhaust duct;

  • connecting the fan to an external outlet;

  • improving the sealing or insulation of the duct;

  • the coordination of electrical work and interventions on the ceiling.

 

Each installation is studied according to the actual configuration of the bathroom and the planned work.

Old Lane

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THE FAN AND THE DUCT FORM A SINGLE SYSTEM

Replacing the unit is not always enough to improve ventilation. A new fan may remain ineffective when connected to a duct that is too long, compressed, damaged, or has too many bends.

 

Humid air must be directed outside the building. It must not be vented into the attic, a building cavity, or any other enclosed space.

 

Before proposing a solution, we can check:

  • the path and condition of the conduit;

  • its diameter and its compatibility with the fan;

  • the presence of restrictions limiting airflow;

  • the quality of the connection;

  • the insulation of the duct when necessary;

  • the condition of the external exit.

 

This approach allows us to correct the cause of insufficient ventilation rather than automatically replacing the fan.

WHICH FAN SHOULD I CHOOSE FOR A BATHROOM?

The choice depends in particular on the volume of the room, its layout, the presence of a shower or a bathtub and the configuration of the drainage pipe.

 

We favour equipment that offers a balance between:

  • an appropriate airflow;

  • silent operation;

  • controlled energy consumption;

  • simple to use;

  • good compatibility with the existing installation.

 

A timer allows the ventilation to automatically continue operating after a shower. A humidity sensor can trigger or adjust the ventilation when the humidity level rises. These options are chosen according to the occupants' habits and the room's needs.

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WHEN SHOULD THE VENTILATION BE REVIEWED?

Bathroom renovations are the ideal time to inspect or modify the system. The ceiling and technical spaces are more accessible, making it easier to replace the fan, repair the ductwork, or relocate the air outlet.

 

An upgrade can be particularly relevant when:

  • the condensation remains on the mirrors for a long time;

  • droplets appear on the walls or ceiling;

  • the joints turn black quickly;

  • the paint is peeling or blistering;

  • a musty smell persists;

  • the fan has become very noisy;

  • the air seems to be evacuated with difficulty;

  • the shower or the bathtub changes location;

  • The bathroom is enlarged or completely renovated.

 

To better understand these symptoms, also see our article on noisy or inefficient bathroom fans.

Salle de bain lumineuse avec meuble-lavabo suspendu, vasque blanche, baignoire et paroi de douche vitrée.

AN INSTALLATION COORDINATED WITH YOUR RENOVATION

Ventilation should be planned at the same time as the other technical elements of the bathroom. Its location can affect lighting, the ceiling, electricity, insulation, and the overall organization of the work.

 

BonBain Construction coordinates ventilation with:

  • plumbing work;

  • electrical installations;

  • the preparation of the walls and ceiling;

  • the waterproofing of the bathroom;

  • the installation of the shower or bathtub;

  • the installation of floor coverings and finishing work.

 

This coordination limits unnecessary rework and allows the fan to be properly integrated into the room layout.

VENTILATION INSTALLATION IN GREATER MONTREAL

BonBain Construction operates in particular in:

  • Montreal and Lachine;

  • LaSalle, Verdun and Plateau-Mont-Royal;

  • Laval;

  • Longueuil;

  • Brossard;

  • on the South Shore and in the areas served around Montreal.

REQUEST AN ESTIMATE

Are you renovating your bathroom or looking to replace a noisy or inefficient fan?

BonBain Construction can assess the room, the existing fan and the exhaust path in order to integrate a ventilation solution tailored to your project.

Contact us to discuss your project and request an estimate.

Let's work together

Contact us so we can work together.

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