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Unit pricing

Furnace Repair cost per job in Knoxville

Furnace Repair cost per job in Knoxville, Tennessee in 2026.

Low

$140

Average

$730

High

$1,300

Knoxville crews quote about $140 – $1,300 per job.

Multiply local unit rates by your real measurements.

What drives furnace repair prices in Knoxville

Local labor, permitting and climate move Knoxville prices away from the national average.

Labor market

Licensed trade labor in Knoxville runs about 94% of the national average, and the best crews book out fastest in spring and early summer.

Permits

Most Knoxville, TN projects that change structure, electrical, plumbing or mechanical systems need a permit from the local building department; cosmetic work usually does not.

Climate

Tennessee weather drives material choices here, so ask contractors what they install most often in Knoxville and why.

Knoxville unit pricing by material

Diagnostic and tune-up$450 – $620
Igniter or flame sensor$620 – $815
Blower motor or control board$815 – $1,050
Heat exchanger replacement$1,050 – $1,450

Ways to lower your Knoxville price

  • Book a fall tune-up before the first cold snap to avoid emergency rates.
  • Ask whether the part is under manufacturer warranty before approving.
  • Collect three written bids on an identical scope — spreads of 20–40% are normal.
  • Book in the off-season and stay flexible on the start date to save 5–15%.
  • Bundle nearby work into one mobilization so you only pay setup and travel once.
  • Ask what the contractor would change to cut 10% without hurting durability.

Knoxville questions

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