
AC Motor Repair for Granite City's Hardest-Working Systems
From steel-town industrial equipment to residential HVAC off Nameoki Road, Granite City runs on motors. When one quits, we repair it, replace it, or sell you the wholesale stock to do it yourself.
Factory-Trained Repair, Contractor-Friendly Pricing
Our technicians handle everything from minor electrical issues to full motor rebuilds, with advanced diagnostic tools doing the deciding. And for contractors, building managers, and HVAC pros around Granite City, our wholesale AC motor program makes sourcing parts affordable at volume.
In-stock inventory covers residential HVAC systems, commercial rooftop units, industrial cooling equipment, and the custom and hard-to-find models this town's older buildings demand. Bring the nameplate data, or the whole motor, and we'll match it.

AC Motor Maintenance That Prevents the Next Repair
Four habits extend motor life: clean the vents monthly so dust doesn't cause overheating. Lubricate motors that require it to cut friction and wear. Check electrical connections, since loose wiring causes failures and shorts. And monitor performance, because unusual noises and falling airflow are the early warnings.
Getting here: Granite City to the shop is about 15 minutes: Route 3 south to I-55/I-70 west, across the river, exit Grand Blvd. Closer than the parts counter wait times you're used to.
Other Illinois Communities We Serve
"Fantastic service. These guys know everything there is to know when it comes to motors."Kim K. Counter service
"What an amazing family business they have! There's a reason businesses all over the Midwest have trusted CEMSI for decades."Jeremy R. Midwest business
"With only a few pictures, Doug was able to match a vintage motor over 50 years old. Had a new one in stock, and the staff even configured the wiring for a minimal fee."Grant G. Vintage motor match
Frequently Asked Questions
What's included in your AC motor repair?
How do I know if I need motor repair?
Do you sell AC motors in Granite City?
Can I buy wholesale air conditioner motors?
What's the best way to choose a replacement motor?
Motor Down? Pick It Up Today or We'll Ship It Today.
Grab it at our Midtown St. Louis counter, or call before noon and in-stock motors and parts go out same day, anywhere in the country.
Call (314) 531-1888 Now