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Our team takes care of everything:
Obtaining the required permits
We take care of the paperwork to save you time.
Ventilation design and planning
Custom system design to maximize performance and comfort.
Custom air duct manufacturing
Ducts adapted to each home for optimal energy efficiency.
Complete HVAC installation
Heating, air conditioning and ventilation systems installed by specialist installers .
Heat gain and loss report (on request)
Technical analysis to ensure the correct sizing of devices.
Reliable after-sales service
Long-term repairs, maintenance and advice for your customers.
Extended Warranty Plans
For extra peace of mind.

Why do manufacturers choose Fernand Denis?
With decades of experience and a rigorous approach, Fernand Denis is a trusted partner for builders. Our expertise, attention to detail, and personalized service make us a natural choice for any residential construction project.
49+ years of HVAC expertise in the residential sector
Clear and detailed estimate to facilitate planning
Respect of deadlines and budget with a dedicated project manager
Impeccable installations , whether for a single-family home or a multi-unit project
Personalized service with the same attention to detail, regardless of the size of the project
Frequently Asked Questions About HVAC Services for Builders
Fernand Denis provides complete HVAC services for builders, including planning, system design, custom duct fabrication, full installation, and post-installation support.
Yes. The team manages the required permits to simplify administrative processes for builders.
Yes. Each HVAC system is custom-designed to maximize ventilation performance, comfort, and energy efficiency based on the building’s characteristics.
Yes. Air ducts are fabricated on a custom basis to fit each home and ensure optimal energy efficiency.
Yes. Heating, air conditioning, and ventilation systems are fully installed by specialized installers, in compliance with standards and project timelines.
Yes. A heat gain and heat loss report can be provided upon request to ensure proper equipment sizing.
Yes. Reliable after-sales support is offered, including maintenance, repairs, and long-term guidance for builders’ clients.
Yes. Extended warranty plans are available to provide additional peace of mind.






