Ductwork Replacement cost in Lowell, MA

Lowell, MA · updated August 2026

$7,100

Typical local cost

$3,300 – $15,700

Typical range

per supply run
$350 – $800

Installed, local pricing

Permit
Yes

$110 – $385 in fees

Typical timeline
1-3 days of work

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

Calculate my ductwork cost

Lowell runs +31% against the U.S. average · data confidence Medium · modeled estimate, not a quote

The modeled midpoint for Lowell is $7,100. The local adjustment for this trade is x1.309 — driven mainly by Middlesex County labor rates and 55% exposure to local code requirements.

Estimate your Lowell 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
$11,127 – $20,944
Rule-of-thumb check
400 sq ft per ton

Priced for Lowell (local adjustment x1.309).

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 – $6,400
10 supply run$3,500 – $8,000
13 supply run$4,600 – $10,400
17 supply run$6,000 – $13,600
22 supply run$7,700 – $17,600

Based on Lowell pricing of $350–$800 per supply run.

Where the money goes

Labor
$3,200
44% of median
Materials
$3,900
53% of median
Permit & fees
$250
3% of median

Lowell project costs+31% vs U.S. average

Based on Middlesex 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 Lowell 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

Lowell labor intelligence

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

Loaded hourly rate

$112–$145

HVAC crews in Middlesex County · +34% vs U.S. ($95/hr)

Typical crew

2 × 1.5 days

On-site time for a typical ductwork job here.

Labor in the price

$3,200

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

Because labor is 45% of this job, Lowell 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 Middlesex County labor factor (x1.338). · BLS Occupational Employment and Wage Statistics, Hometriva methodology

Why Lowell differs from the national average

The local delta, broken into dollars by driver.

Trade labor rates$825Material and delivery$475Code and inspection load$300Permit fees$50
Dollars of the Lowell difference owned by each driver, versus the U.S. median for ductwork replacement.
  • Trade labor rates+$825

    Middlesex County crews price 34% above the national average, and labor is 45% of this job.

  • Material and delivery+$475

    Materials are nationally traded, so they move less — but delivery into this market runs 16% over baseline.

  • Code and inspection load+$300

    Ductwork Replacement carries 55% exposure to local code requirements, and this jurisdiction's review load indexes at x1.10.

  • Permit fees+$50

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

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

Lowell vs Massachusetts vs the U.S.

Lowell$3,300–$15,700Massachusetts average$3,300–$15,700U.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 Lowell

$7,350

Likely range $3,550 – $15,950

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 Lowell building departmentModeled estimate
electricalCity of Lowell building departmentModeled estimate
mechanicalCity of Lowell building departmentModeled estimate
plumbingCity of Lowell building departmentModeled estimate
zoningCity of Lowell building departmentModeled estimate
fireCity of Lowell building departmentModeled estimate

Permit requirement in Lowell

Yes — a permit is required for ductwork replacement in Lowell, MA. 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 Lowell building departmentModeled estimate
Permit fee
Estimated allowance $110–$385Modeled from comparable fee schedules — not an official quoted fee.

Inspections

  1. Duct rough-in
  2. Duct leakage test
  3. Final mechanical inspection
Full Lowell 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

Lowell sits in Middlesex County, Massachusetts. Deep frost lines, snow load and a very old housing stock mean permits frequently touch structural, electrical and energy-code upgrades at once. Work outside city limits is permitted by the county building department rather than the city.

Nearby market comparison

MarketLocal factorMedianPer supply run
Lowell (this page)x1.309$7,100$350 – $800
Nashuax1.110$6,000$300 – $650
Cambridgex1.309$7,100$350 – $800
Lynnx1.309$7,100$350 – $800
+ Had ductwork replacement done in Lowell? Add what you paid or were quoted

Reports are reviewed before they count, and nothing is published until at least 5 reports exist for a market. No name, email or address is collected.

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

How Hometriva estimates Lowell ductwork costs

Hometriva does not publish invented city prices. The Lowell 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 factorx1.338

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

  3. Material factorx1.161

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

  4. Regulatory factorx1.100

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

  5. Applied multiplierx1.309

    Blended Lowell adjustment specific to ductwork replacement.

  6. Permit component$110 – $385

    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 Lowell 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 Lowell, MA.

  • • 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

Do I need a permit for ductwork replacement in Lowell, MA?

In most jurisdictions this work is permitted and inspected. Requirements are set locally, so confirm the current application and inspection checklist with your building department before work starts.

How long does ductwork replacement take?

1-3 days of work, 1-3 weeks including permitting. Permit review and inspection scheduling are usually the largest source of variation.

What changes the price the most?

The largest cost drivers are number of supply and return runs; flex duct versus rigid sheet metal; attic access and clearance.

Sources

Sources & verification

Model vintage August 2026. The links above are the issuing agencies' own pages — we publish them so you can confirm the current rule yourself, not as evidence that each fact on this page was re-checked with them today. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing, not quotes. Permit rules change; confirm with the building department before starting work.

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