Sectors we serve
Commercial HVAC installation by industry
A 40,000 sq ft warehouse and a restaurant kitchen are not the same ventilation problem. We install systems designed around what actually happens inside your building.
RBQ licensed
100% commercial
Free quote

Why it matters
Generic sizing is expensive
A system picked on floor area alone ignores the real heat load, the contaminants and the occupancy pattern. Here is what follows.
Not enough capacity
Equipment runs continuously without ever reaching setpoint. Energy costs climb and the unit wears out early.
Code problems
Outdoor air rates, rated ductwork and discharge locations are all governed by code. A rough installation surfaces at inspection.
Rework
Correcting a badly placed discharge or an undersized unit after the fact costs more than doing it properly the first time.

The system
What we install, whatever the sector
The equipment changes from one sector to the next; the method does not. We install — we do not do maintenance contracts.
✓ Rooftop units for heating and cooling
✓ Sheet-metal ductwork designed and fabricated for the building
✓ Balanced exhaust and makeup air ventilation
✓ Process exhaust and specialised systems
✓ Permit and inspection coordination
In food service, that means the restaurant ventilation installation is sized around the cooking line and the make-up air.
Our process
From assessment to commissioning
Coordinated with your operations, permits and inspections included
01
Assessment
Site visit, survey of existing equipment, roof access and building constraints. We confirm what is actually there before proposing anything.
02
Design and quote
Sizing, duct routing and equipment selection, then a detailed quote: scope of work, equipment, schedule.
03
Installation
Roof work, ductwork and unit installation, electrical and gas coordination. Scheduled around your operating hours.
04
Permits and inspections
We handle permit applications and schedule the required inspections as part of the project, under Quebec building codes.
FAQ
Frequently asked questions
What our clients ask most often
Which sectors do you serve?
Food service, manufacturing, warehousing and distribution, retail, gyms and fitness centres, laboratories, and multi-unit residential buildings for property managers. The common thread is commercial and institutional work.
Do you work on single-family homes?
No. We install in commercial, institutional and multi-unit buildings. For a house, a residential contractor is a better fit than we are.
Do you offer maintenance contracts?
No. We are an installation contractor. We deliver a documented system and you place maintenance with whoever you prefer.
What areas do you cover?
Greater Montreal and the North Shore, including Laval, Terrebonne and Repentigny, as well as the South Shore. For a project outside that area, call us and we will be straight about our capacity.
Do you work with general contractors?
Yes, regularly, on new fit-outs as well as renovations. The earlier we are involved, the fewer coordination surprises there are.
Are you licensed?
Yes. Nadair Ventilation inc. holds RBQ licence 5844-3979-01, which you can verify in the Régie du bâtiment du Québec licence-holder register.
Go further
Related services
Our other commercial installation pages
Our services
The full range of our engineering and installation work.
Commercial HVAC services
How we approach commercial buildings.
Service areas
Where we work across Greater Montreal.
Free quote
Tell us about your building
Describe the building, its use and what is not working today. We will tell you whether it is a project for us and what it involves.
Greater Montreal and the North Shore · RBQ 5844-3979-01 · Commercial installation only
