Rooftop Unit Repair in Toronto

We service all major commercial rooftop unit brands including Carrier, Lennox, Trane, Daikin, York, Rheem, and Goodman. Our technicians work on everything from compact 2-ton package units on small storefronts to large 50+ ton systems on high-rise commercial buildings.

We offer 24/7 emergency dispatch with rapid response across Toronto. Our service trucks carry common replacement parts and diagnostic tools so the majority of repairs can be completed on the first visit.

Be aware of signs like uneven temperatures in your building, unusual noises or rattling, spikes in energy costs, frequent on-off cycling, weak airflow, or unusual odours from the vents. Early diagnosis prevents expensive failures.

Yes. We provide customized maintenance programmes that include seasonal inspections, filter replacements, refrigerant level checks, belt and bearing inspection, and electrical component testing. Consistent maintenance helps prevent breakdowns during peak heating and cooling seasons.

Several factors matter: the age of the unit, its repair history, energy efficiency ratings, and the cost of the current repair relative to replacement. For units over 15 to 20 years old or those needing repeated major repairs, replacement is usually the better investment. We give you an honest recommendation every time.

Yes. All technicians at Complete Air Solutions are TSSA-licensed and carry full liability insurance. We adhere to all Ontario building codes and commercial HVAC safety standards.