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Ductwork Repair & Cleaning Cost in Bismarck, ND
Detailed pricing guide with local market adjustments and material comparisons
Bismarck Average
$345–$1,725
Market Tier
Mid-Size City
Cost Breakdown
Ductwork Repair & Cleaning Cost in Bismarck
Mid-Size CityLowAverageHigh
$345$1,035$1,725
Market Tier
Mid-Size City (1x)
Mid-size city with average market costs
Climate Adjustment
1.15x
Based on local climate conditions
Material Cost Comparison
Mastic sealant(Budget)
$259–$1,294Metal-backed duct tape(Mid-Range)
$345–$1,725Flex duct(Premium)
$483–$2,415Factors 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?
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 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 Bismarck
A-1 Heating & Air ND
Bismarck, ND
(701) 751-4200Mark's Heating & Cooling Inc
Bismarck, ND
(701) 663-2585Golden Heating and Air LLC
Bismarck, ND
(701) 652-5897Advanced Mechanical Inc.
Bismarck, ND
(701) 222-0352Founding Member
Premium spot in Bismarck
Ambassador
Lead the Bismarck community
Founding Member
Premium spot in Bismarck
Bismarck Housing Market
Median Household Income
$77,608
Median Home Value
$291,400
Median Rent
$992/mo
Homeownership Rate
65.8%
Population
74,146
Median Year Built
1984
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track Your Costs
HVAC
Ductwork Repair & Cleaning
Date
April 2026
Cost
$1,035
Vendor
Your local pro
Warranty
5-year material warranty
Bismarck average: $345–$1,725
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
Fair
77
hvac category +8 pts(69 → 77)
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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Smith & Sons
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4.9(47)
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J&R Home Services
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Title:HVAC tech
Category:HVAC technician
Date:2026-04-11
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Cost FAQ
What is the average cost of ductwork repair & cleaning in Bismarck?
The average cost of ductwork repair & cleaning in Bismarck, ND ranges from $345 to $1,725. 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 Bismarck, 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 Bismarck?
Get at least 3 quotes from licensed professionals in Bismarck. Use Fizbo SmartSearch to find and compare local hvacs, read reviews, and request estimates — all in one place.