HVAC System Replacement Cost in Knoxville, TN

In Knoxville, TN, homeowners can expect hvac system replacement costs ranging from $5,500 to $17,000, with most projects falling between $6,750 and $9,400. The median cost for this service is $7,600. These figures reflect 15 local replacement projects.

Price distribution

Median $7,600.00 · typical $6,750.00–$9,400.00

$7,600.00

$5,500.00

$17,000.00

Shaded band: middle 50% of reports (25th–75th percentile). Median tick in teal.

Most jobs land between $5,710.00 and $14,900.00 (5th–95th percentile). Ignoring 1 outlier below and 1 above.

Based on reports from Apr 2026 (first entries this month).

Data freshness: 15 reports in the last 90 days. Help keep this current →

Data last updated Apr 7, 2026.

Latest reports

The underlying prices behind this page.

15 total reports

$6,500.00

7 days ago

2.5 Ton HVAC System Replacement

Home Comfort out of Rutledge installed a 2.5 ton Armstrong package system for us recently, costing around.

$7,500.00

7 days ago

Full HVAC System Replacement

Replaced the HVAC unit and new ducts for a 1,100 sq ft house, including disconnecting an unused gas line.

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Real homeowner write-ups, locked.

$ • • •

7 days ago

"Used Cantrell's for installing two indoor units of an HVAC split system, costing around total."

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See how Knoxville, TN stacks up: Knoxville, TN vs Houston, TX, Knoxville, TN vs New Orleans, LA, Knoxville, TN vs Tampa, FL.