- Ductwork replacement usually costs $450 to $2,200, about $1,250 typical.
- Replacing or adding HVAC ductwork, from a section to a full house.
What ductwork replacement costs
Expect ductwork replacement to cost between $450 and $2,200, with $1,250 as a typical figure. Replacing or adding HVAC ductwork, from a section to a full house. By the linear foot, HomeAdvisor put it at $10 to $40, with $25 in the middle.
| Price | |
|---|---|
| Low end | $450 |
| Typical | $1,250 |
| High end | $2,200 |
| Per linear foot | $10 to $40 |
The range blends Fixr, HomeAdvisor and Today's Homeowner (method below). Where you live matters: Koira's estimate is $1,092 in Arkansas and $1,514 in Hawaii.
What drives the price
- How much. Fixr prices a full 2,500 square foot home. HomeAdvisor and Today's Homeowner price smaller replacements.
- Access. Ducts in open basements are quick. Ducts in walls, tight attics or crawl spaces take longer.
- Material. Sheet metal, flex duct and duct board differ in price.
- New system. Adding ducts to a home that never had them costs the most.
Ductwork replacement cost by length
| Length | Price | Source |
|---|---|---|
| 100 ft | $1,600 to $1,900 | This Old House |
| 200 ft | $3,100 to $3,700 | This Old House |
Ductwork replacement cost by state
Koira estimates for each state, built from the national $450 to $2,200. About 55% of a ductwork replacement price is labor, and only that part is scaled by the state's median wage for construction and extraction workers. A starting point, not a quote.
| State | Low | Typical | High |
|---|---|---|---|
| Alabama | $401 | $1,115 | $1,962 |
| Alaska | $517 | $1,436 | $2,527 |
| Arizona | $444 | $1,232 | $2,169 |
| Arkansas | $393 | $1,092 | $1,922 |
| California | $500 | $1,390 | $2,446 |
| Colorado | $457 | $1,269 | $2,233 |
| Connecticut | $500 | $1,390 | $2,446 |
| Delaware | $449 | $1,248 | $2,196 |
| District of Columbia | $494 | $1,372 | $2,415 |
| Florida | $408 | $1,132 | $1,993 |
| Georgia | $409 | $1,137 | $2,002 |
| Hawaii | $545 | $1,514 | $2,665 |
| Idaho | $436 | $1,211 | $2,131 |
| Illinois | $537 | $1,493 | $2,627 |
| Indiana | $460 | $1,277 | $2,247 |
| Iowa | $450 | $1,249 | $2,198 |
| Kansas | $431 | $1,197 | $2,107 |
| Kentucky | $423 | $1,176 | $2,070 |
| Louisiana | $410 | $1,139 | $2,005 |
| Maine | $453 | $1,259 | $2,216 |
| Maryland | $451 | $1,254 | $2,207 |
| Massachusetts | $525 | $1,457 | $2,564 |
| Michigan | $457 | $1,269 | $2,233 |
| Minnesota | $504 | $1,401 | $2,465 |
| Mississippi | $397 | $1,103 | $1,941 |
| Missouri | $459 | $1,275 | $2,244 |
| Montana | $456 | $1,266 | $2,229 |
| Nebraska | $426 | $1,183 | $2,083 |
| Nevada | $459 | $1,275 | $2,244 |
| New Hampshire | $452 | $1,256 | $2,211 |
| New Jersey | $508 | $1,411 | $2,483 |
| New Mexico | $410 | $1,139 | $2,004 |
| New York | $495 | $1,375 | $2,421 |
| North Carolina | $408 | $1,133 | $1,994 |
| North Dakota | $457 | $1,269 | $2,233 |
| Ohio | $461 | $1,280 | $2,253 |
| Oklahoma | $405 | $1,124 | $1,978 |
| Oregon | $477 | $1,326 | $2,334 |
| Pennsylvania | $454 | $1,261 | $2,220 |
| Rhode Island | $465 | $1,290 | $2,271 |
| South Carolina | $409 | $1,135 | $1,997 |
| South Dakota | $411 | $1,141 | $2,009 |
| Tennessee | $412 | $1,146 | $2,017 |
| Texas | $407 | $1,130 | $1,989 |
| Utah | $440 | $1,222 | $2,151 |
| Vermont | $451 | $1,252 | $2,204 |
| Virginia | $437 | $1,214 | $2,137 |
| Washington | $516 | $1,434 | $2,524 |
| West Virginia | $442 | $1,228 | $2,161 |
| Wisconsin | $467 | $1,297 | $2,283 |
| Wyoming | $451 | $1,252 | $2,204 |
Rural areas and cities in the same state can differ a lot.
How we got these numbers
| Guide | Range | Average | Use |
|---|---|---|---|
| Fixr | $1,436 to $17,149 | $9,293 | Counted |
| HomeAdvisor | $453 to $2,189 | $1,252 | Counted |
| Today's Homeowner | $450 to $2,200 | $1,250 | Counted |
We take the middle of the guides' lows for the low end, the middle of their highs for the high end, and the middle of their averages for the typical ductwork replacement price. Where a guide gives no average we use its midpoint. All read on October 9, 2026.
Labor share used: 55%. Duct work is mostly sheet metal labor. Koira's assumption. State factor: the state's median hourly wage for construction and extraction workers over the national $28.63 (BLS, May 2025), kept between 0.7 and 1.4.
For contractors: price this job in Koira
HVAC replacements are big decisions, so good, better and best options on one estimate let the homeowner choose.
On Koira's free Office plan you build the estimate, text it, collect the deposit and turn it into an invoice when the ductwork replacement is done. Price this job in Koira, free.
Sources: Fixr, ductwork replacement cost; HomeAdvisor, ductwork replacement cost; Today's Homeowner, ductwork replacement cost; This Old House, ductwork replacement cost; BLS Occupational Employment and Wage Statistics, May 2025 (state and national files). Prices checked October 9, 2026. More for your trade: how the trade runs on Koira.