Your standby generator is your home or business’s first line of defense during power outages. But like any engine, it requires routine maintenance to perform reliably when it matters most.
At A1 Plus Electrical, Plumbing, Air and Generators, we specialize in comprehensive generator maintenance designed to extend the life of your system, prevent unexpected failures, and ensure peak performance year-round.
Regular maintenance helps:
Prevent costly breakdowns
Ensure reliable startup during outages
Extend equipment lifespan
Maintain manufacturer warranty compliance
Optimize fuel efficiency and performance
Skipping maintenance can lead to failure when you need your generator the most, during severe weather or grid outages.
Leading generator manufacturers all emphasize routine service to keep units operating safely and efficiently.
Generac recommends:
Oil and oil filter changes every 100–200 hours or annually
Air filter inspection and replacement as needed
Spark plug inspection/replacement
Valve clearance inspection and adjustment
System exercise and load testing
Kohler guidelines include:
Annual oil and filter changes (or every 200 hours)
Air filter servicing
Spark plug maintenance
Fuel system and battery inspection
Full system diagnostic checks
Cummins recommends:
Annual oil and filter changes (or every 200 hours)
Air filter inspection/replacement
Spark plug checks
Valve lash inspection
Operational testing under load
To maintain your manufacturer’s warranty, all service and maintenance must be performed by a certified generator dealer.
Improper or unverified maintenance can:
Void your warranty
Lead to improper operation
Cause long-term damage to your system
A1 Plus Electrical, Plumbing, Air and Generator is a certified service provider, ensuring your generator is maintained to exact manufacturer standards.
Take the guesswork out of generator maintenance with our A1 Plus Generator Advantage Plan, a complete, worry-free service solution.
What’s Included:
Remote Monitoring – Real-time system tracking to catch issues before they become problems
Priority Support During Major Outages – Get to the front of the line when service demand is highest
Oil Change & Oil Filter Replacement – Essential for engine longevity and performance
Air Filter Replacement – Ensures proper airflow and efficient operation
Valve Clearance Inspection & Adjustment – Maintains optimal engine timing and performance
Complete Generator Cleaning – Removes debris and buildup that can impact operation
Spark Plug Inspection & Replacement (as needed) – Ensures reliable ignition and startup
Simulated Power Outage Test (Load Test)– We test your generator under real conditions to verify performance when it counts
