Providing property managers, facility operators, and business owners with rapid RTU diagnostic repair, custom preventative maintenance contracts, restaurant makeup air balancing, and crane replacement lifts.
Direct priority line to our licensed 313A refrigeration mechanics and G1 gas fitters.
📞 Call (647) 294-5454 Request Commercial ProposalSubmit your commercial equipment or facility details below for immediate repair dispatch or a custom maintenance estimate.
Explore our specialized commercial heating, cooling, and mechanical ventilation capabilities.
Rapid troubleshooting for commercial packaged rooftop units experiencing cooling loss, tripped breakers, ignition faults, or compressor lockouts.
Custom semi-annual and quarterly maintenance agreements covering filter/belt swaps, coil washing, economizer tuning, and TSSA safety checks.
Specialized airflow balancing, gas-fired makeup air unit servicing, kitchen odor control, and exhaust hood interlock compliance checks.
Turnkey equipment modernization—managing mobile crane rigging, custom curb adaptors, municipal road permits, gas piping, and TSSA sign-off.
Dedicated commercial HVAC repair and preventative maintenance vehicles deployed across the Greater Toronto Area.
Unionville, Markham Centre, Milliken Industrial & Markham Village.
Financial District, Liberty Village, Yorkville & Etobicoke Industrial.
Golden Mile, Scarborough City Centre, Agincourt & Port Union.
North York Centre, Yorkdale, Downsview & Don Mills.
Beaver Creek Business Park, Yonge & 16th, City Centre & Oak Ridges.
VMC, Pine Valley Industrial, Woodbridge & Maple.
Yonge & Steeles, Thornhill Square, Bayview & Highway 7 Sector.
Yonge Spine, Aurora Corporate Centre, Wellington & St. John's.
Upper Canada Mall, Yonge Corridor, Harry Walker Parkway & Main St.
Read real client reviews from commercial building managers across Ontario.
Frequently asked questions about Atrium Air’s commercial service, response times, and certifications.
Our commercial division technicians hold valid Ontario 313A Refrigeration and Air Conditioning Systems Mechanic licenses and G1/G2 Gas Fitter certificates. We are fully registered with the Technical Standards and Safety Authority (TSSA) and carry $5,000,000 in commercial general liability insurance.
We prioritize commercial property managers and business owners experiencing total heating or cooling failure. Contracted preventative maintenance clients receive priority 2 to 4-hour dispatch across the Greater Toronto Area to restore tenant comfort and prevent business revenue loss.
We service multi-tenant retail plazas, corporate office parks, standalone dining establishments, medical centers, light industrial warehouses, logistics hubs, and commercial auto facilities across York Region and the Greater Toronto Area.
