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Commercial HVAC
Focused RTU service for restaurants, retail spaces, and commercial buildings that need stable heating, cooling, and airflow.
We diagnose failed heating stages, bad cooling calls, low airflow, frozen coils, and failed controls.
Fast checks for pressure problems, control-board issues, bad sensors, and nuisance trips that keep the unit unstable.
Supply fan, economizer, belt, damper, and filtration issues that leave rooms uncomfortable or uneven.
RTU Acting Up?
RTU problems spread quickly through dining rooms, kitchens, offices, and tenant spaces. We focus on practical diagnosis, clear communication, and stable operation.
RTU Coverage
Rooftop units often carry the whole space: heat, cooling, air movement, and fresh-air control. When one starts drifting, the result is usually comfort complaints, staff frustration, and pressure to fix it fast.
YYC Mechanical works through the mechanical cause first, then the control side, so you get a stable answer instead of repeat visits that do not solve the actual problem.
Common Call Reasons
RTU runs but the building never reaches setpoint
Heat works intermittently or locks out
Cooling starts late or stops too early
Loud fan noise, vibration, or belt issues
High head pressure, frozen coils, or airflow restriction
Space complaints from one zone or one side of the building
Usually Worth Repairing
Replacement Planning Starts Here
RTU FAQs
Yes. We troubleshoot both sides of the unit, including gas heat, cooling circuits, airflow, economizers, and controls.
Yes. We regularly support restaurants, bars, shops, and other commercial spaces that rely on RTUs for comfort and ventilation.
Short cycling usually points to an airflow, control, refrigerant, or safety issue. We diagnose the cause and correct it before it turns into a larger failure.
Yes. Preventive maintenance helps catch belt wear, dirty coils, bad capacitors, burner issues, and sensor drift before they trigger downtime.
Need RTU Help?
If your rooftop unit is dragging down comfort or ventilation, we can help you diagnose it and get back to steady operation.