How much does a ductwork replacement cost in Knoxville, TN?

The average ductwork replacement in Knoxville, TN costs $5,898 in 2026. Costs range from $1,966 for a basic project to $14,745 for a high-end renovation. Knoxville is 2% less expensive than the national average of $6,000.

What is the labor rate for contractors in Knoxville?

The average contractor labor rate in Knoxville, TN is $29.86/hour, compared to the national average of $30/hour. For a ductwork replacement, labor typically accounts for 65% of the total cost, which is approximately $3,834 in Knoxville.

Are materials more expensive in Knoxville?

Knoxville has a material cost index of 96 (national average = 100). Materials cost about 4% less than the national average. For a ductwork replacement, materials account for 35% of the cost, approximately $2,064.

Do I need a permit for a ductwork replacement in Knoxville?

Yes, a ductwork replacement typically requires building permits in Knoxville, TN. The average permit cost in Knoxville is $982. Always confirm requirements with the Knoxville building department before starting work.

Is a ductwork replacement a good investment in Knoxville?

A ductwork replacement provides an estimated 42% ROI nationally. In Knoxville, where the median home price is $247,979, this project costs about 2.4% of your home value. This is a small percentage of home value, making it a relatively low-risk improvement.

Ductwork Replacement in Knoxville, TN — Costs $1,966 to $14,745

What does ductwork replacement cost in Knoxville? Average $5,898, ranging $1,966–$14,745. Labor runs $29.86/hr locally — 2% below the national average. Free breakdown with material + labor split.

Knoxville, TN Market

-2% vs national

Labor Rate

$29.86/hr

Material Index

Avg Permit Cost

$982

Median Home Price

$247,979

Knoxville is a mid-sized city in Tennessee with a healthy pool of local contractors. Homeowners generally have several options to compare for a ductwork replacement, which helps keep pricing competitive. Knoxville offers slightly below-average renovation costs, giving homeowners a small cost advantage compared to most US markets. At a median home price of $247,979, homeowners in Knoxville should weigh the project cost (2.4% of home value) carefully against expected returns to avoid over-improving for the local market.

Low Estimate

$1,966

National: $2,000

Mid-Range

$5,898

National: $6,000

High End

$14,745

National: $15,000

Per Sq Ft

National: $0

Duration: 1-3 days

DIY: Hard

Permits: Required

ROI: 42%

Ductwork Replacement Cost Calculator for Knoxville

Adjusted for Knoxville's labor rate ($29.86/hr) and material costs (index 96).

Project Size: 200 sq ft

50 sq ft1,000 sq ft

Quality Level

Mid-grade materials, good quality fixtures, standard options.

Estimated Total in Knoxville

$5,662

Based on 200 sq ft at mid quality, adjusted for Knoxville market rates.

Local Cost Breakdown

Labor (65%)$3,834

At Knoxville's average rate of $29.86/hr (0% below national avg)

Materials (35%)$2,064

Material cost index 96 (4% below national baseline of 100)

Ductwork Replacement vs. Home Value in Knoxville

Metric	Knoxville	National Avg
Ductwork Replacement (Mid-Range)	$5,898	$6,000
Median Home Price	$247,979	$350,000
Project as % of Home Value	2.4%	1.7%
Estimated ROI	42%	42%
Median Household Income	$58,880	$75,000

What Affects the Price in Knoxville

1Local labor rates ($29.86/hr in Knoxville)
2Material cost index (96 vs national 100)
3Total linear footage
4Duct material (sheet metal vs flex)
5Insulation of new ducts
6Access difficulty

Popular Upgrades

Insulated rigid metal ducts
Aeroseal duct sealing
Zoned dampers

Other Projects in Knoxville, TN

Whole House Generator Installation

$14,639

HardROI 55%

HVAC System Replacement

$11,690

HardROI 50%

Whole House Plumbing Repiping

$9,830

HardROI 45%

Spray Foam Insulation

$7,835

HardROI 60%

Second Story Addition

$195,533

HardROI 60%

Accessory Dwelling Unit (ADU) Construction

$146,650

HardROI 80%

Room Addition

$87,990

HardROI 55%

Home Addition

$78,072

MediumROI 60%

Ductwork Replacement in Other Tennessee Cities

Nashville, TN

$5,697

-3%Pop. 689,447

Memphis, TN

$5,284

-10%Pop. 633,104

Chattanooga, TN

$5,238

-11%Pop. 181,099

Clarksville, TN

$5,955

+1%Pop. 166,722

Murfreesboro, TN

$5,855

-1%Pop. 152,769

Franklin, TN

$8,223

+39%Pop. 83,454

Johnson City, TN

$6,868

+16%Pop. 71,046

Jackson, TN

$6,734

+14%Pop. 67,685

Planning a Ductwork Replacement in Knoxville

Building permits are typically required for a ductwork replacement in Knoxville. The average permit fee in this area is $982, though costs vary based on project scope. Permit fees in this market are above average — factor them into your total budget. Plan for 1-3 days from start to finish.

A ductwork replacement is a complex project best left to licensed professionals. In Knoxville, skilled contractors charge an average of $29.86/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.

For the median Knoxville household earning $58,880/year, this project at $5,898 represents a significant investment. Consider financing options or phasing the work to spread costs over time.

Ductwork Replacement — National Guide

See the full national cost guide with DIY tips, cost factors, and ROI analysis.

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