What is the average cost to fix a furnace?

The average cost to fix a furnace typically falls between $200 and $1,500, depending on which component failed and the repair scope. Many common part swaps, like motors and control boards, usually land in the mid range, while major heat exchanger work sits at the high end. We use flat-rate pricing so you know the number before work starts, and final pricing is confirmed after an on-site diagnostic. Our team services the greater Champaign area and nearby communities, including work around Bellflower.

Typical example ranges from our pricing guides:

• Circuit board replacement: $200–$500
• Blower motor replacement: $300–$600
• Heat exchanger repair/replacement: $300–$1,500

If your furnace is down, schedule a diagnostic so a technician can quote the exact repair before any work begins.

Updated: 2026-07-14

Need help in Bellflower, IL? Call 217-247-4108 or book online.