How much does 150 linear feet of ductwork cost in Saint Joseph, MO?
| Typical total$34 per linear feet of duct | $5,168 |
|---|---|
| Range you should see in bidsthree bids on the same scope normally land inside this | $3,248 – $8,564 |
| Labor portion65% of the job — this is the part that moves by city | $3,359 |
| Material portion35% — bought at national prices | $1,809 |
| Heating, Air Conditioning, and Refrigeration Mechanics and Installers pay near Saint Josephabout $30/hr · St. Joseph, MO-KS metro | $63,220/yr |
| U.S. mean for the same tradeSOC 49-9021 | $64,780/yr |
| Versus the national pricetrade pay here runs −2.4% against the U.S. mean | −$82 |
| Design temperatures93°F summer and 1°F winter at Kansas City International Airport — the two numbers a Manual J starts from, and the reason equipment sized for one city is wrong in another | — |
Notes
- Where the number comes from. The national price for a ductwork replacement is $35 per linear feet of duct — residential duct replacement pricing published for 2026, $22–$58 per linear foot installed. Labor is about 65% of that. Heating, Air Conditioning, and Refrigeration Mechanics and Installers near Saint Joseph, MO average $63,220 a year against a U.S. mean of $64,780 — a factor of 0.976 — so the labor half is scaled by that and the material half is not. Source: BLS OEWS May 2025 for the St. Joseph, MO-KS metro area, SOC 49-9021.
- Why the city matters, not just the state. Trade pay moves inside a state as much as it does between states. Crews do not commute across a state to bid a job, and materials ship at national prices either way — so a metro wage is the honest input here and a state average quietly rounds four different cities into one number.
- Design temperatures. 93°F summer and 1°F winter at Kansas City International Airport — the two numbers a Manual J starts from, and the reason equipment sized for one city is wrong in another.
- What is in the price: trunk and branch duct, fittings, hangers, mastic sealing, registers and grilles, and labor.
- What is not: the air handler or furnace, a new return path where none exists, asbestos abatement on old duct wrap, and any drywall work. These are the lines that turn a $5,168 quote into a $6,460 invoice, so ask about each one before signing.
- Use this as a bid check, not a quote. It prices an average job in average condition. Difficult access, the state of what is being replaced, the season, and a crew booked out three months all move the real number, and none of them are in a per-unit average.
a ductwork replacement in Saint Joseph, MO
$5,168 is the typical number, and three bids on the same scope normally land between $3,248 and $8,564.
That is $82 less than the same job priced at the national average.
Why the city changes the number
About 65% of this job is labor — $3,359 of the $5,168 above. Labor is the only part that moves locally; a bundle of material costs what it costs wherever it is nailed down.
Heating, Air Conditioning, and Refrigeration Mechanics and Installers near Saint Joseph average $63,220 a year, against a U.S. mean of $64,780. That is a factor of 0.976, so the labor half is scaled by it and the material half is not.
Source: BLS OEWS May 2025 for the St. Joseph, MO-KS metro area, SOC 49-9021.
What the quote should include
Design temperatures
The lines that turn a quote into an invoice
Ask about each of them before you sign. On a job this size they are the difference between $5,168 and something a quarter higher.
Use it as a bid check, not a quote
This prices an average job in average condition. Access, the state of what is being replaced, the season, and a crew booked out three months all move the real number, and none of them are in a national average.
If a bid lands outside $3,248 – $8,564, that is not automatically wrong — but it is the question worth asking out loud.
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Read more
- Adding a Return — Usually the Cheapest Real Improvement to a Duct SystemOf everything that can be done to an existing duct system, this is the one with the best return per dollar, and it is rarely quoted.
- Repair the Ducts or Replace ThemMost duct systems do not need replacing. They need sealing, supporting, and one more return.
- Ductwork Replacement Cost by State — 150 Linear Feet, All 51Before pricing a replacement, measure static pressure. Re-ducting to the same layout that failed is the most expensive way to keep a comfort problem.
- Balancing a Duct System — Dampers at the Branch, Not Vents at the RoomEvery duct system is out of balance when it is built, and most of them are never balanced.