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How much does it cost to rewire a thermostat professionally?

Professional thermostat rewiring is priced after an on-site evaluation by our technician. Costs depend on whether a C-wire is present, the run length for new control cable, multi-stage or zoned systems, wall repair, and if you’re upgrading to a smart thermostat. We provide upfront pricing before work starts. DIY wiring changes can be risky; use a licensed HVAC pro. If you install a qualifying smart thermostat, a federal tax credit may cover up to 30% (max $1,200). We serve Crawfordsville and Lafayette.


Updated: 2025-12-24


Need help in Crawfordsville, IN? Call (765) 262-5363 or book online.

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