The average cost to fix a furnace varies by the exact failure and parts required, and McCullough Heating & Air Conditioning provides a firm price only after on‑site diagnosis. The biggest driver is which component failed and how much labor is needed to access and replace it.
Our technicians regularly service gas and electric furnaces in Central Texas homes, and we present transparent pricing before work begins. Final pricing is confirmed after a professional inspection. Current offers can reduce what you pay: the diagnostic fee is waived with repair, and new customers can take $100 off repairs of $500 or more (see offer terms).
Schedule a diagnostic so we can provide a clear, written repair price before any work proceeds.
Updated: 2026-09-05
Need help in Leander, TX? Call (512) 588-5937 or book online.