Ductwork Repair & Cleaning Cost AltonDuctwork Repair & Cleaning Cost AltonDuctwork Repair & Cleaning Cost AltonDuctwork Repair & Cleaning Cost AltonDuctwork Repair & Cleaning Cost AltonDuctwork Repair & Cleaning Cost AltonDuctwork Repair & Cleaning Cost AltonDuctwork Repair & Cleaning Cost AltonDuctwork Repair & Cleaning Cost AltonDuctwork Repair & Cleaning Cost Alton

Ductwork Repair & Cleaning Cost in Alton, IL

Detailed pricing guide with local market adjustments and material comparisons

Alton Average

$255–$1,275

Market Tier

Small City

Cost Breakdown

Ductwork Repair & Cleaning Cost in Alton

Small City

LowAverageHigh

$255$765$1,275

Market Tier

Small City (0.85x)

Small city with below-average costs

Material Cost Comparison

Mastic sealant(Budget)

$191–$956

Metal-backed duct tape(Mid-Range)

$255–$1,275

Flex duct(Premium)

$357–$1,785

Factors that affect your cost

Linear feet of ductwork
Repair vs full cleaning vs both
Accessibility (attic, crawl space, walls)
Number of vents and returns
Mold remediation needed
Duct sealing (mastic vs tape)

Save Money with DIY?

Call a pro when: Call a professional for comprehensive duct cleaning, mold remediation, ductwork in walls or hard-to-reach areas, or if you suspect asbestos insulation on older ducts.

Get Quotes in Alton

Dole Heating & Air Conditioning

Saint Louis, MO

(314) 631-6900

Jersey heating and cooling llc

Saint Louis, MO

(314) 906-7227

Welsch Heating & Cooling

Saint Louis, MO

(314) 872-8070

St Louis Heating and Cooling

Saint Louis, MO

(314) 736-3400

Founding Member

Premium spot in Alton

Ambassador

Lead the Alton community

Founding Member

Premium spot in Alton

View all 32 hvacs in Alton →

Alton Housing Market

Homes for Sale

Local Pros

424

Home Service Professionals Near Alton

Agents 80lender 63multimedia_specialist 55Landscapers 53Roofers 51Inspectors 42Cleaners 41Flooring 39

Median Household Income

$53,005

Median Home Value

$99,500

Median Rent

$948/mo

Homeownership Rate

57.1%

Population

25,430

Median Year Built

1953

Source: U.S. Census Bureau, ACS 2023 5-Year Estimates

Track Your Costs

HVAC

Ductwork Repair & Cleaning

Date

April 2026

Cost

$765

Vendor

Your local pro

Warranty

5-year material warranty

Alton average: $255–$1,275

Before

Issue documented with photos

After

Repair completed, area sealed

Materials Used

Mastic sealantMetal-backed duct tapeFlex ductSheet metal duct

Warranty Details

5-year material warranty

Auto-Checkup Created

"Ductwork Inspection" — every 24 months

Added by youApril 2026

Property Health Score

Good

hvac category +8 pts(73 → 81)

Documentation19/25

Maintenance20/25

Warranty22/25

Investment21/25

Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.

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Get a Personalized Estimate

Find a HVAC tech near me

I found 32 HVAC technicians in your area. Here are the top results:

Professionals Found

32 results

Smith & Sons

Connected

HVAC technician

4.9(47)

BookQuote

J&R Home Services

HVAC technician

4.7(23)

From $95/hr

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Add to Property History

HVAC technician

Title:HVAC tech

Category:HVAC technician

Date:2026-04-09

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Cost FAQ

What is the average cost of ductwork repair & cleaning in Alton?

The average cost of ductwork repair & cleaning in Alton, IL ranges from $255 to $1,275. The final price depends on Linear feet of ductwork, Repair vs full cleaning vs both, Accessibility (attic, crawl space, walls).

What factors affect ductwork repair & cleaning cost?

Key factors include: Linear feet of ductwork, Repair vs full cleaning vs both, Accessibility (attic, crawl space, walls), Number of vents and returns, Mold remediation needed, Duct sealing (mastic vs tape). In Alton, local labor rates and material availability also influence pricing.

Can I save money by doing ductwork repair & cleaning myself?

You can seal visible duct leaks with mastic sealant or metal-backed tape (not cloth duct tape). Replace damaged flex duct sections with matching diameter. Vent cleaning with a brush kit is manageable for accessible runs. Call a professional for comprehensive duct cleaning, mold remediation, ductwork in walls or hard-to-reach areas, or if you suspect asbestos insulation on older ducts.

How do I get accurate quotes for ductwork repair & cleaning in Alton?

Get at least 3 quotes from licensed professionals in Alton. Use Fizbo SmartSearch to find and compare local hvacs, read reviews, and request estimates — all in one place.

Explore Alton, IL

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Ductwork Repair & Cleaning Cost in Nearby Cities

St. Louis, MO Florissant, MO Chesterfield, MO Belleville, IL Ballwin, MO Maryland Heights, MO

Ductwork Repair & Cleaning Cost in Alton, IL

Cost Breakdown

Ductwork Repair & Cleaning Cost in Alton

Material Cost Comparison

Save Money with DIY?

Get Quotes in Alton

Alton Housing Market

Track Your Costs

Ductwork Repair & Cleaning

Property Health Score

Get a Personalized Estimate

Cost FAQ

More Cost Guides for Alton

HVAC System Installation Cost

HVAC Tune-Up & Maintenance Cost

Indoor Air Quality Testing Cost

Insulation Installation Cost

Explore Alton, IL

Ductwork Repair & Cleaning Cost in Nearby Cities