Permits and Regulations for the Installation of a Heat Pump or Air Conditioning Unit in Saint-Léonard
Understanding Municipal Requirements Before Your HVAC Work
At AirGreen , we support our clients at every stage of their heating, ventilation and air conditioning (HVAC) projects, while ensuring compliance with municipal regulations.
If you live in the borough of Saint-Léonard , you must obtain a certificate of authorization before installing any permanent heat pump or air conditioning unit . This requirement is intended to ensure compliance with urban planning regulations and to preserve the living environment of the neighborhood.
Required Municipal Permits
1. Residential Buildings with 5 or Fewer Units
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Permit required for any permanent installation.
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No installation in the front yard.
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Minimum distance: the device must be located at least 2 meters from the boundaries of the property.
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Maximum sound level: 50 decibels (dB) measured at the property boundary.
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Corner lots: If your property is located at the intersection of two streets, it is necessary to contact the permit counter before proceeding.
2. Residential Buildings with 6 or More Units or Mixed Use
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Installation is permitted in all courtyards , subject to compliance with:
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Visual discretion : the devices must not be visible from the public highway.
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Aesthetic uniformity : the units in the same building must be of the same model, shape and height .
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Central units are permitted on the roof or inside the building .
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On balconies , devices are only allowed if they are not visible from the street .
3. New Buildings (6 Units and More)
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Only a central air conditioning system is permitted.
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Individual units (wall-mounted, window-mounted or separate heat pumps) are prohibited on facades, exterior walls and balconies.
4. Commercial or Industrial Buildings
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Central units can be installed on the roof or inside the building .
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Before starting work, it is strongly recommended to consult the borough to confirm the conformity of the project.
5. Public and Institutional Buildings
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The same rules apply:
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Minimum distance of 2 meters from the field lines.
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Maximum noise level: 50 dB at the property boundary.
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6. Removable Devices
Removable air conditioning units (windows, portable, etc.) can be installed without a permit , since they do not modify the structure of the building.
Permit Fees (Taxes Included)
| Building type | Flat rate cost per device |
|---|---|
| Single-family home | $165 |
| Residential building with 5 or fewer units | $165 |
| Other types of buildings (6 or more dwellings, commercial, industrial, institutional) | $320 |
Documents to Provide for the Permit Application
Before submitting your application to the borough of Saint-Léonard , prepare the following documents:
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Name, first name, address and telephone number of the applicant or their representative.
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Detailed description of the work and equipment to be installed.
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Certificate of location of the property.
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Professional site plan showing existing buildings, margins and yards.
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Technical specifications of the device (model, noise level, power, etc.).
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Assessment of the cost of the work .
Applications can be submitted in person , by telephone or by email to the Saint-Léonard permit counter .
Good Practices and Mistakes to Avoid
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Never install the device in the front yard , even if it is partially visible.
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Avoid purchasing a device without first checking its compliant noise level (≤ 50 dB) .
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Plan a discreet location , at the back or side of the house.
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Always contact the borough before starting work to confirm compliance.
At AirGreen , we observe that permit denials often occur when the aircraft is too close to the property lines or visible from the street . A simple adjustment of the location can avoid unnecessary costs and delays.
Your Responsibility / Our Support
Your Responsibility
It is important to note that compliance with all applicable rules, permits and regulations remains the responsibility of each customer .
Although we at AirGreen are always available to provide guidance and advice, it is your responsibility to ensure that your project complies with local requirements and that the necessary permits have been obtained before work begins.
Unless otherwise stated in our contract, the responsibility for obtaining permits and ensuring the compliance of the installation lies with the customer .
Our Support
At AirGreen , we believe that a successful installation requires transparency and compliance .
Our team is here to guide you, inform you and support you in understanding the administrative procedures related to your HVAC project.
We help you identify applicable obligations and communicate effectively with municipal services when necessary.
If you have any questions, please don't hesitate to contact us — we're here to make your experience simple, clear, and compliant with regulations .
In Summary
Installing a heat pump or air conditioning system in Saint-Léonard requires a certificate of authorization and strict compliance with urban planning standards.
At AirGreen , we support you so that your installation is efficient, sustainable and compliant with municipal regulations .
Next Step
At AirGreen, we support our clients every step of the way to ensure compliant and sustainable HVAC installations. Contact us today for personalized advice or to schedule your installation.