Your standby generator is your family's safety net during power outages, but only if it works when you need it. Regular professional maintenance ensures your generator starts reliably, runs efficiently, and is ready for the next storm.
First Class Heating & Air provides comprehensive generator maintenance throughout the Greenville area. Our service includes oil and filter changes, spark plug inspection, battery testing and replacement, coolant level check, fuel system inspection, load testing, and a complete operational verification.
We recommend annual generator maintenance, ideally before hurricane and storm season. Regular service catches potential problems before they prevent your generator from starting when it matters most.
Our generator maintenance plans make it easy, we schedule your annual service, send reminders, and keep detailed records of every inspection and service performed on your unit.
Signs You Need Generator Maintenance
Annual Service Is Due
Even if your generator has only run during weekly self-tests, annual professional maintenance is essential for reliability.
Generator Failed to Start
If your generator didn't start during a self-test or during an actual outage, it needs immediate professional attention.
Warning Lights or Error Codes
Modern generators display warning indicators when service is needed. Don't ignore these, they prevent bigger problems.
Storm Season Is Approaching
Spring is the ideal time to service your generator before South Carolina's severe weather season begins.
What to Expect
Schedule Service
Call or book online. We offer flexible scheduling for generator maintenance visits.
Comprehensive Inspection
Our technician inspects all major components including engine, electrical system, fuel system, and automatic transfer switch.
Service & Maintenance
We change oil and filters, test the battery, check coolant, inspect spark plugs, and verify all connections.
Load Test
We run your generator under load to verify it can handle your home's electrical demands.
Service Report
You receive a detailed report of our findings and any recommendations for keeping your generator in peak condition.
What We Offer
What it costs
Cost depends on the scope of the work and a look at your system. Our pricing page lists what we actually charge for HVAC installation, repair, and maintenance. Estimates on replacements are free.
See the full pricing guideReady to Get Started?
Free estimates · No pressure · Flat-rate pricing