How much does HVAC system replacement cost in Knoxville, TN?

The median HVAC system replacement cost in Knoxville, TN is $7,600, based on 15 verified homeowner reports.

What's the typical price range for HVAC system replacement in Knoxville, TN?

Most homeowners in Knoxville, TN pay between $6,750 and $9,400 for HVAC system replacement. That middle 50% range is a more useful comparison than the median alone because it shows where real quotes typically land.

Why are some HVAC system replacement quotes higher?

Price varies with home size, system size, materials, and scope. Quotes above the typical range usually reflect bigger homes or premium materials; quotes well below it sometimes leave out permits, haul-away, or warranties.

Updated Apr 7, 2026

HVAC Strong sample Size-aware Updated Apr 2026

HVAC System Replacement
in Knoxville, TN

Jump to 15 receipts

Built by Connor, a homeowner. Real receipts only. Why this exists →

HVAC system replacement costs in Knoxville, TN typically range from $5,500 to $17,000, with most homeowners paying around $7,600. The middle 50% of reported projects fall between $6,750 and $9,400, providing a useful benchmark for budgeting your replacement.

The typical range

$6,750 – $9,400

Middle 50% · median $7,600

Full reported range $5,500–$17,000 across 15 receipts.

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15 receipts in last 90 days Updated Apr 7, 2026 Help keep this current →

Where receipts cluster

Excluding 1 low + 1 high outliers

$5,710–$6,366

2 reports

$6,366–$7,023

3 reports

$7,023–$7,679

3 reports

$7,679–$8,336

1 report

$8,336–$8,992

2 reports

$8,992–$9,649

0 reports

$9,649–$10,305

1 report

$10,305–$10,961

0 reports

$10,961–$11,618

1 report

$11,618–$12,274

0 reports

$12,274–$12,931

0 reports

$12,931–$13,587

0 reports

$13,587–$14,244

1 report

$14,244–$14,900

1 report

$5,710 ← typical range → $14,900

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The receipts

Every receipt below is a real homeowner report behind this page.

Size-aware

15 total receipts

Pick one chip per row. Adding a second row narrows to reports that match both.

Size 2 ton range 2 4 ton range 1 Under 2 ton 1 3 ton range 1

Fuel Gas 2 Electric 1

$6,500.00

53 days ago

Knoxville, TN

Anonymous · 2.5 Ton HVAC System Replacement

2.5 ton

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

$7,500.00

53 days ago

Knoxville, TN

Anonymous · Full HVAC System Replacement

gas

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

$00,000

53 days ago

Knoxville, TN

Contributor-only

Scope and write-up hidden until contributor access.

$00,000

53 days ago

Knoxville, TN

Contributor-only

Scope and write-up hidden until contributor access.

$00,000

53 days ago

Knoxville, TN

Contributor-only

Scope and write-up hidden until contributor access.

13 more receipts available

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