Same-Day Rooftop Unit Repair in London, Ontario
24/7 Emergency Commercial HVAC Service for Restaurants, Retail, Offices & Industrial Facilities
When your commercial rooftop unit fails, every minute of downtime costs your business money. Lost productivity, uncomfortable customers, and potential inventory damage make RTU failures a critical business emergency. As London's trusted commercial HVAC specialists, we understand the urgency and provide reliable same-day RTU repair services to get your business back online quickly.
Common RTU Problems We See in London Businesses
Rooftop units work hard year-round, facing extreme weather conditions and constant operation. Here are the most frequent issues we encounter:
π§ Compressor Failures
The heart of your cooling system. Common in older units or systems with refrigerant issues. Symptoms include tripped breakers, unusual noises, or no cooling.
β‘ Electrical Component Failure
Capacitors, contactors, and relays wear out over time. Among the most common and quickly repairable RTU issues we handle.
π¨ Blower Motor Problems
Critical for air circulation. Failed blower motors can cause overheating and complete system shutdown.
π§Ή Dirty Coils & Filters
Restaurants and industrial facilities are particularly susceptible. Reduced airflow leads to freezing, overheating, and system shutdown.
π₯ Ignition System Failure
Heating season brings ignition and heat exchanger issues. Critical for restaurants and retail during winter months.
π§ Refrigerant Leaks
Gradual cooling loss indicates potential refrigerant leaks. Requires specialized detection and repair to prevent compressor damage.
What to Expect from Our Same-Day RTU Repair Service
Emergency Call & Dispatch
Gather essential information about your RTU issue and business type. Most calls dispatched within 30 minutes.
On-Site Diagnosis
Comprehensive testing including electrical diagnostics, refrigerant pressure checks, and component inspection.
Transparent Quote & Approval
Detailed quote outlining repairs, parts costs, labor, and timeline. No surprises.
Professional Repair & Testing
Efficient repair using manufacturer-approved procedures. Most common repairs completed within 2-4 hours.
Documentation & Follow-up
Detailed service reports, maintenance recommendations, and warranty documentation.
RTU Repair Costs for London Businesses
| Repair Type | Typical Cost Range | Timeframe | Common Causes |
|---|---|---|---|
| Capacitor/Contactor Replacement | $300 - $600 | 1-2 hours | Electrical wear, power surges |
| Blower Motor Replacement | $600 - $1,200 | 2-3 hours | Bearing failure, electrical issues |
| Ignition System Repair | $400 - $900 | 2-3 hours | Component wear, gas pressure issues |
| Refrigerant Leak Repair | $800 - $2,000 | 3-5 hours | Corrosion, vibration damage |
| Compressor Replacement | $1,500 - $4,000+ | 4-8 hours | Electrical failure, refrigerant issues |
| Control Board Replacement | $500 - $1,500 | 2-4 hours | Power surges, moisture damage |
Industries We Serve
Restaurants & Food Service
Retail Stores
Office Buildings
Warehouses & Industrial
Medical Facilities
Schools & Daycares
What London Business Owners Say About Our RTU Service
"Our restaurant RTU failed on a busy Friday night. Called Hawana at 8pm and they had a technician at our London location within 90 minutes. Diagnosed a failed blower motor, had the part in his truck, and had us back up and running by 11pm. Saved our weekend dinner service. Professional, fast, and fair pricing. Highly recommend their commercial HVAC service."
β Rigg B. London ON Β· December 2025
"Our retail store was losing cooling during a heat wave. Hawana responded within 2 hours, found a refrigerant leak, repaired it, and recharged the system. Back to comfortable temperatures by afternoon. Also signed up for their maintenance plan. Great commercial service from a local company that understands business needs."
β Bield T. London ON Β· January 2025
"Our office building had multiple RTU issues across different zones. Abdullah came out, assessed all three units, and provided a detailed repair plan with transparent pricing. Fixed the urgent issues same-day and scheduled the remaining repairs to minimize disruption. Knowledgeable, professional, and great communication. Best commercial HVAC contractor we've worked with."
β Carr T. London ON Β· February 2025
Abdullah Ghzail β Owner & Lead TSSA-Certified HVAC Specialist
"I've spent years keeping London businesses comfortable and operational. When a rooftop unit fails, I understand the urgencyβevery hour of downtime costs you money. That's why we guarantee same-day response for commercial emergencies. Our trucks are stocked with common RTU parts, and our technicians are trained on all major brands. Don't let HVAC issues disrupt your business. Call us 24/7, and we'll have you back up and running quickly."
Commercial RTU Repair FAQ β 2025
We offer same-day RTU repair service across London and Southwestern Ontario, with most emergency calls responded to within 2-4 hours. For critical business operations like restaurants, retail stores, and medical facilities, we prioritize calls to minimize downtime and revenue loss. Call our 24/7 emergency line at (647) 550-4220 for immediate assistance. We're always ready to respond.
The most frequent RTU issues we encounter include compressor failures, refrigerant leaks, faulty capacitors and contactors, blower motor failures, ignition system problems, and dirty coils or filters. Restaurant RTUs often face grease buildup issues, while retail locations commonly have thermostat and control problems. Most issues can be diagnosed and repaired same-day with our stocked parts inventory.
Yes, we offer comprehensive commercial maintenance plans starting at $149/month per unit. These include bi-annual inspections, filter changes, coil cleaning, electrical testing, and priority service. Preventative maintenance typically reduces repair costs by 40-60% and extends RTU lifespan by 3-5 years. Businesses with regular maintenance experience 15-20% lower energy costs and significantly fewer emergency breakdowns.
RTU repair costs vary by issue: minor repairs (capacitors, contactors) $300-$600, medium repairs (blower motors, ignition) $600-$1,200, major repairs (compressors, heat exchangers) $1,500-$4,000+. Emergency after-hours service includes additional charges of $150-$300. We provide detailed quotes before any work begins with no hidden fees. Most businesses find that preventative maintenance significantly reduces these costs.
Yes. Our technicians are certified to service all major RTU brands including Carrier, Trane, Lennox, York, Rheem, and Daikin. We maintain comprehensive parts inventory for most common models and can source specialized components quickly through our supplier network across Southwestern Ontario. All work is performed to manufacturer specifications and includes warranty on parts and labour.
We serve a wide range of industries including restaurants and food service, retail stores, office buildings, warehouses and industrial facilities, medical facilities and clinics, schools and daycares, hotels and hospitality, and automotive shops. Each industry has unique requirements, and our technicians are trained to handle specialized needs. We understand the urgency of each business type and prioritize accordingly.
Our emergency service includes rapid dispatch, comprehensive system diagnosis using advanced diagnostic tools, detailed repair quote before any work begins, professional repair using quality parts, full system testing and verification, and detailed service documentation. We also provide maintenance recommendations to prevent future issues. Most emergency repairs are completed within 2-4 hours of arrival.
Preventative measures include bi-annual professional maintenance (spring and fall), regular filter changes (monthly for restaurants), keeping coils clean and debris-free, monitoring system performance for early warning signs, and addressing minor issues promptly before they become major failures. Our maintenance plans cover all these aspects and reduce emergency repairs by 40-60%. Most breakdowns are preventable with regular service.
Yes. We offer 24/7 emergency commercial HVAC service including weekends, holidays, and after-hours. We understand that business-critical systems can fail at any time, and we're always ready to respond. Emergency rates apply for after-hours service, which we always disclose before dispatching a technician. Call our emergency line anytime at (647) 550-4220.
With regular professional maintenance, commercial rooftop units typically last 15-20 years. Units that are neglected often fail in 10-12 years. Regular filter changes, bi-annual tune-ups, and prompt repair of small issues can add 3-5 years to your RTU's lifespan. After 15 years, replacement is often more cost-effective than continued major repairs. Our maintenance plans maximize equipment lifespan.
Emergency RTU Repair When You Need It Most
Don't let HVAC downtime disrupt your business operations. Call us for same-day commercial rooftop unit repair across London and Southwestern Ontario.
Call (647) 550-4220 Now Request Emergency Service β