Ductwork Replacement cost in Irvine, CA

Irvine, CA · updated August 2026

$7,700

Typical local cost

$3,600 – $17,200

Typical range

per supply run
$350 – $850

Installed, local pricing

Permit
Yes

$135 – $475 in fees

Typical timeline
1-3 days of work

1-3 days of work, 1-3 weeks including permitting

Calculate my ductwork cost

Irvine runs +43% against the U.S. average · data confidence Medium · modeled estimate, not a quote

Most Irvine homeowners pay around $7,700. The local adjustment for this trade is x1.433 — driven mainly by Orange County labor rates and 55% exposure to local code requirements.

Estimate your Irvine job

Priced with this market's cost index, so the calculator, the size table and the ranges on this page all agree.

Recommended size

5 tons

Round to the nearest half ton

Cooling load
61,000 BTU/hr
Typical equipment costInstalled, 14-17 SEER2
$11,135 – $20,960
Rule-of-thumb check
400 sq ft per ton

Estimates only. Local pricing, site conditions and code requirements change the real number.

Cost by project size

Generated from the same unit pricing the calculator uses.

Estimated cost by project size
Project sizeEstimated range
8 supply run$2,800$6,800
10 supply run$3,500$8,500
13 supply run$4,600$11,100
17 supply run$6,000$14,500
22 supply run$7,700$18,700

Based on Irvine pricing of $350–$850 per supply run.

Where the money goes

Labor
$3,500
44% of median
Materials
$4,200
52% of median
Permit & fees
$305
4% of median

Irvine project costs+43% vs U.S. average

Based on Orange County labor rates, local material logistics and permit-fee posture for this trade.

What the project looks like start to finish

Typical sequence for this scope. Timing varies with contractor backlog and plan-review queues.

  1. 01

    Planning & quotes

    Scope, material choice, contractor selection

  2. 02

    Permit application

    Filed with City of Irvine building department

  3. 03

    Materials & staging

    Order lead time on non-stock materials

  4. 04

    Installation

    1-3 days of work, 1-3 weeks including permitting

  5. 05

    Inspection

    Duct rough-in, Duct leakage test, Final mechanical inspection

  6. 06

    Closeout

    Final sign-off, warranty and documentation

Irvine labor intelligence

What the trade charges here, and how much of your price it is.

Loaded hourly rate

$119–$155

HVAC crews in Orange County · +43% vs U.S. ($95/hr)

Typical crew

2 × 1.5 days

On-site time for a typical ductwork job here.

Labor in the price

$3,500

45% of the median — the rest is material, disposal and permit.

Because labor is 45% of this job, Irvine wage levels move the price far more than material prices do. A quote well under this labor figure usually means a smaller crew, a longer schedule, or unlicensed help.

Basis: Hometriva labor model: national hvac crew rates adjusted by the Orange County labor factor (x1.429). · BLS Occupational Employment and Wage Statistics, Hometriva methodology

Why Irvine differs from the national average

The local delta, broken into dollars by driver.

Trade labor rates$1,050Material and delivery$600Code and inspection load$550Permit fees$100
Dollars of the Irvine difference owned by each driver, versus the U.S. median for ductwork replacement.
  • Trade labor rates+$1,050

    Orange County crews price 43% above the national average, and labor is 45% of this job.

  • Material and delivery+$600

    Materials are nationally traded, so they move less — but delivery into this market runs 20% over baseline.

  • Code and inspection load+$550

    Ductwork Replacement carries 55% exposure to local code requirements, and this jurisdiction's review load indexes at x1.18.

  • Permit fees+$100

    Fees are paid to the jurisdiction, not the contractor, and are budgeted separately from the contract price.

Basis: Decomposition of the modeled Irvine median against the U.S. median for this scope. · City of Irvine building department, Hometriva methodology

Irvine vs California vs the U.S.

Irvine$3,600$17,200California average$3,500$16,900U.S. average$2,500$12,000
Modeled ranges for ductwork replacement. The tick marks the median in each geography.

Change the inputs, see your number

The same local model, run against your job instead of the average one.

Simulated ductwork replacement in Irvine

$8,005

Likely range $3,905$17,505

Simulated from the same local model as the numbers above — it changes the inputs, not the pricing method.

What makes the number move

  • Number of supply and return runs
  • Flex duct versus rigid sheet metal
  • Attic access and clearance
  • Return air sizing corrections
  • Removal of contaminated duct board

Who issues each permit

Tracked per discipline — the building permit issuer is not always the body that reviews electrical, plumbing, zoning or fire.

Permitting authority by discipline
DisciplineIssuing authority
buildingCity of Irvine building departmentModeled estimate
electricalCity of Irvine building departmentModeled estimate
mechanicalCity of Irvine building departmentModeled estimate
plumbingCity of Irvine building departmentModeled estimate
zoningCity of Irvine building departmentModeled estimate
fireCity of Irvine building departmentModeled estimate

Permit requirement in Irvine

Yes — a permit is required for ductwork replacement in Irvine, CA. The work must be inspected before it can be closed out, and a licensed contractor generally has to pull the permit.

Permitting authority
City of Irvine building departmentModeled estimate
Permit fee
Estimated allowance $135$475Modeled from comparable fee schedules — not an official quoted fee.

Inspections

  1. Duct rough-in
  2. Duct leakage test
  3. Final mechanical inspection
Full Irvine permit guide for ductwork replacement

Local conditions that change this job

Only the exposures that materially affect ductwork replacement.

Cooling load / heat exposure

Severe82/100

Humidity

Severe84/100

Irvine sits in Orange County, California. Seismic bracing, energy-code (Title 24) compliance and coastal exposure all factor into permit scope and material selection. Work outside city limits is permitted by the county building department rather than the city.

Nearby market comparison

MarketLocal factorMedianPer supply run
Irvine (this page)x1.433$7,700$350$850
San Franciscox1.492$8,100$350$900
Long Beachx1.462$7,900$350$900
Oaklandx1.462$7,900$350$900

What Irvine homeowners actually paid

Real reported invoices from this market, aggregated. Add yours — it takes 20 seconds and no personal details.

No name, email or address is collected. Reports are reviewed before they count.

Quotes homeowners were given in Irvine

Quotes run ahead of final invoices. Reporting yours shows the local spread and where there is room to negotiate.

No name, email or address is collected.

How Hometriva estimates Irvine ductwork costs

Hometriva does not publish invented city prices. The Irvine estimate for ductwork replacement is produced by this chain, and every input is stored separately:

  1. National baseline$5,400

    Typical U.S. cost for ductwork replacement on a single-family home.

  2. Local labor factorx1.429

    Irvine-area trade labor rates, weighted at 45% of this job.

  3. Material factorx1.200

    Material and delivery pricing into Orange County, weighted at 55%.

  4. Regulatory factorx1.182

    Local code, product-approval and inspection load, applied at 55% for this project type.

  5. Applied multiplierx1.433

    Blended Irvine adjustment specific to ductwork replacement.

  6. Permit component$135 – $475

    Budgeted separately from the contract price because it is paid to the jurisdiction.

Because labor, material and regulatory factors are weighted per project, ductwork replacement in Irvine carries a different local adjustment than other trades in the same market.

Reviewed by

Hometriva Cost Data Desk

Maintains the unit-cost baselines, local adjustment factors and material pricing. Reviewed for ductwork replacement pricing in Irvine, CA.

  • National unit-cost baselines against current trade pricing
  • Local labor and materials factors for the market
  • Material installed-cost ranges and service life

Last reviewed August 2026 · Editorial standards · Report an error

Frequently asked questions

Does duct replacement need a permit in Florida?

Yes. Replacing a duct system requires a mechanical permit and a duct leakage test in most Florida jurisdictions, because duct leakage is regulated under the energy code.

Sources

Sources & verification

Last verified August 2026. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing — they are not quotes. Permit rules change; confirm with the building department before starting work.

Related pages