How much does it cost to rewire a thermostat professionally?

Professional thermostat rewiring costs vary by home and scope. We provide free estimates, and a technician confirms pricing on site. Many thermostat installs or rewires can be done the same visit in Columbia and Lexington.

What affects price:

• Length and accessibility of low-voltage wiring run
• Need for a C-wire or new cable pull
• Thermostat type (programmable vs. smart)
• Issues at the furnace/air handler control board
• Optional drywall repair or cleanup

<br/> Updated: 2025-12-23 <br/>

Need help in Columbia, SC? Call (803) 888-4115 or book online.

"Took time to explain what the issue was and sat with my husband assisting with programming new thermostat and ensuring the setting was correct." — Heather P.