Generator Repair & Diagnostics
Fast, expert generator repair and diagnostic services for all makes and models across Ontario, with genuine replacement parts.
When your generator develops a fault or fails to start, you need a repair team that can diagnose the problem quickly and get your system back online. Ontario Generator Systems provides expert repair and diagnostic services for residential and commercial generators of all makes and models throughout Ontario.
Our technicians use advanced diagnostic equipment to identify issues accurately, from controller error codes and sensor failures to engine mechanical problems and fuel system faults. We carry a comprehensive inventory of genuine replacement parts for Generac systems, and we can source parts for all other major brands including Kohler, Cummins, and Briggs & Stratton.
Whether your generator won't start, is running rough, throwing error codes, or has suffered storm damage, our repair team has the training and experience to resolve the issue. We provide transparent pricing with detailed estimates before any work begins, and we stand behind every repair with a workmanship guarantee.
Our Process
Report the Issue
Contact us by phone or online with a description of the problem. We'll ask targeted questions to begin narrowing down the issue before we arrive.
On-Site Diagnostics
Our technician performs a thorough diagnostic evaluation using professional testing equipment to identify the root cause of the malfunction.
Estimate and Approval
We provide a detailed repair estimate including parts and labor. No work is performed until you review and approve the scope and cost.
Repair and Verification
We complete the repair using genuine parts, then run the generator through a full operational test to confirm the issue is resolved.
Frequently Asked Questions
Do you repair generators from all manufacturers?
How quickly can you respond to a generator repair call?
My generator is showing an error code. What should I do?
Key Benefits
- Fast turnaround on diagnosis and repair
- Genuine OEM replacement parts for lasting reliability
- Experienced technicians trained on all major brands
- Advanced diagnostic equipment for accurate troubleshooting
- Transparent pricing with upfront estimates
- Workmanship guarantee on all repairs
Get a Free Quote
Schedule your complimentary site inspection and receive a detailed proposal tailored to your needs.
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