When your RTU fails, comfort and revenue go with it. Same-day commercial rooftop HVAC repair for Raleigh, Durham, Clayton, and the Triangle.
A failed rooftop unit (RTU) can shut down a dining room, overheat a kitchen, or make a retail floor unusable. Frost Fire Heating and Cooling provides commercial RTU repair in Raleigh, NC and throughout the Triangle — diagnosing package units, heat pumps, and gas/electric rooftop systems that restaurants and light commercial buildings rely on every day.
We handle the failures that show up in real searches: RTU not cooling, short cycling, tripped breakers, frozen coils, failed compressors, ignition problems, and economizer issues. Our goal is simple — restore comfort and airflow fast, with clear pricing and minimal disruption to your customers.
Looking for rtu repair Raleigh NC or rooftop unit repair near me? Call (919) 230-4439. We are open after hours and Sundays with no extra charge.
Low airflow, dirty coils, refrigerant issues, failed compressors, or condenser fan failures that leave the space hot.
Gas heat ignition problems, limit trips, and heat exchanger concerns that leave offices and dining rooms cold.
Tripped breakers, bad contactors, failed capacitors, and control boards that keep the unit from starting.
Weak supply air, clogged filters, belt issues, and economizer dampers stuck open or closed.
RTUs fighting kitchen heat, hood make-up air imbalance, and systems that can't keep up during peak service.
Nights and weekends — we respond when a failed RTU would otherwise force you to close early.
We confirm unit type, symptoms, and business impact so we can prioritize revenue-critical failures.
Safe rooftop access, electrical checks, refrigerant readings, and airflow evaluation.
We explain repair vs. temporary bypass vs. replacement when equipment is near end of life.
We confirm the space is recovering, then recommend maintenance that prevents the next outage.
We repair commercial rooftop units in Raleigh, Durham, Clayton, Cary, Garner, and surrounding Triangle markets.
Also see commercial HVAC, walk-in cooler repair, and tips for operators in our restaurant HVAC guide.
Need help now? Call (919) 230-4439 — open 24/7, same price on Sundays.
Many rooftop failures can be diagnosed the same day. Call (919) 230-4439 and we will prioritize based on business impact and parts availability.
No. Frost Fire charges the same rates on Sundays and weekends as weekdays.
Yes. We regularly work on restaurant and light-commercial package units that struggle under kitchen heat loads.
We will tell you honestly when repair no longer makes sense and outline replacement options with clear pricing.
Call Frost Fire for commercial rooftop unit repair across Raleigh and the Triangle.