Generator Service & Repairs | Reliable Maintenance Solutions

Commercial Generator Services

Full Lifecycle Support for Commercial & Industrial Power Systems

At FM Generator, our commitment doesn’t stop at installation. We provide a complete range of post-installation services to keep your commercial or industrial generator system operating safely, efficiently, and reliably — no matter the conditions.

Comprehensive Generator Maintenance & Repair Services

Planned Maintenance Services – Custom service agreements to keep your systems running year-round

Load Bank Testing – Ensure your generator performs under real-world load conditions

Scheduled & Emergency Repairs – 24/7 availability with fast response times

Radiator Repairs & Rebuilds – Keep your cooling systems efficient and leak-free

Fueling Services & Fuel Conditioning – Reliable refueling and fuel quality preservation

Advanced Diagnostics & Upgrades

Oil, Coolant & Fuel Analysis – Prevent engine wear with proactive fluid testing

Engine Overhauls & Generator Rebuilds – Restore performance and extend system lifespan

Controller Upgrades – Modernize legacy systems for better monitoring and control

Generator & Fuel Tank Painting & Refurbishing – Improve aesthetics and corrosion resistance

Additional Services

Exhaust Extensions & Repairs – Customized solutions for safe exhaust routing

Disaster Relief Services – Rapid deployment of emergency backup power in crisis situations

Short-Term & Long-Term Rentals when your unit is Out-Of-Service (OOS)

Keep your critical power systems ready, compliant, and dependable, with FM Generator’s expert commercial services.

“While others have taken days to respond to our emergencies, FM Generator is immediately there with the right expertise and parts needed to get everything up and running. For preventative maintenance, they work around our schedules and are willing to conduct simulated outage testing, load bank testing or whatever is needed at a great price compared to all the others.”

Brad McIlvain, Electrical Engineer, Buffalo Public School

Reliable Portable Generators for Commercial Backup Power Needs

Not ready to invest in a full commercial standby generator? No problem. Our dependable portable generators for businesses offer a smart, cost-effective solution to keep your operations running during power outages. Compact and fuel-efficient, these generators deliver essential backup power for lights, equipment, security systems, and critical devices. Built for emergency use, storms, and off-grid job sites, they’re easy to operate and transport. Get peace of mind with reliable portable power tailored for your business continuity.