How much does emergency furnace repair cost for a no-heat issue?

Emergency furnace repair for a no-heat issue is priced after an on-site diagnosis, with the total driven by the failed part, labor time, and whether the call is after-hours. The most common triggers are a failed igniter or a dirty flame sensor that stops the burner from lighting. Expect a tech to test safety controls, verify gas and airflow, and quote the repair before work starts; straightforward fixes cost less than motor or control-board replacements. If a system has repeated shutdowns or a cracked heat exchanger, replacement is usually the safer long-term choice. We provide upfront estimates and back repairs with applicable parts and workmanship warranties, and maintenance-plan members receive priority scheduling with discounted repair rates. Our team applies local know-how from serving the Phoenix area to resolve heat-loss fast. Turn off the unit and call a pro immediately if you smell gas.

Updated: 2026-10-29

Need help in Phoenix, AZ? Call (602) 899-0899 or book online. “Luis responded very quickly, assessed the job, got material and completed the job asap!” — Jay T.