Furnace Repair Indianapolis
Indiana winters are no joke. When your furnace stops working, you need a reliable technician on your side — not tomorrow, today. CSO Mechanical LLC has been keeping Indianapolis homes and businesses warm for over 30 years. We're licensed, bonded, and insured, with a satisfaction guarantee on every repair.
📞 Call us at (317) 372-1608
Signs Your Furnace Needs Repair
Catch problems early before they become costly breakdowns:
No heat or weak heat coming from your vents
Furnace is running constantly but not warming the space
Unusual noises — banging, popping, rattling, or squealing
Pilot light or ignitor issues
Frequent cycling on and off
Yellow or flickering burner flame (should be blue)
Spike in your gas or electric bill
Carbon monoxide detector triggering near your furnace
Our Furnace Repair Services
We service all furnace types — gas, electric, and oil — for both residential and commercial properties:
Ignitor and pilot light repair
Heat exchanger inspection and repair
Blower motor repair and replacement
Thermostat diagnosis and replacement
Burner cleaning and adjustment
Flue and venting inspection
Gas valve and pressure testing
Full furnace diagnostics and tune-up
Why Indianapolis Trusts CSO Mechanical
30+ years of HVAC/R experience
Licensed, bonded & insured
Honest upfront pricing
Residential and commercial
Fast response — especially for no-heat emergencies
Satisfaction guaranteed
“I recognize the significance of entrusting your system to a reliable professional. I genuinely value integrity and honesty, striving to earn your trust as your dependable HVAC partner." — Chris, Owner
Serving All of Indianapolis
We serve Indianapolis and nearby communities including Carmel, Fishers, Noblesville, Greenwood, Westfield, Zionsville, Avon, and Plainfield.
Don’t Go Without Heat
Call (317) 372-1608 or fill out our contact form. We'll get you scheduled quickly and restore your heat right.