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Ductwork Repair & Cleaning Cost in Helena, MT
Detailed pricing guide with local market adjustments and material comparisons
Helena Average
$242–$1,211
Market Tier
Small City
Cost Breakdown
Ductwork Repair & Cleaning Cost in Helena
Small CityLowAverageHigh
$242$727$1,211
Market Tier
Small City (0.85x)
Small city with below-average costs
Climate Adjustment
0.95x
Based on local climate conditions
Material Cost Comparison
Mastic sealant(Budget)
$182–$908Metal-backed duct tape(Mid-Range)
$242–$1,211Flex duct(Premium)
$339–$1,695Factors 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 Helena
Butte Tin Shop
Butte, MT
(406) 782-2446
Gill Heating and Cooling, LLC
Butte-Silver Bow, MT
(406) 579-5908M & L Supply Co Inc
Butte, MT
(406) 782-2371Founding Member
Premium spot in Helena
Ambassador
Lead the Helena community
Founding Member
Premium spot in Helena
Helena Housing Market
Median Household Income
$69,341
Median Home Value
$355,100
Median Rent
$1,058/mo
Homeownership Rate
53.8%
Population
33,126
Median Year Built
1975
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track Your Costs
HVAC
Ductwork Repair & Cleaning
Date
April 2026
Cost
$727
Vendor
Your local pro
Warranty
5-year material warranty
Helena average: $242–$1,211
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
76
hvac category +8 pts(68 → 76)
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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J&R Home Services
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Category:HVAC technician
Date:2026-04-09
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Cost FAQ
What is the average cost of ductwork repair & cleaning in Helena?
The average cost of ductwork repair & cleaning in Helena, MT ranges from $242 to $1,211. 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 Helena, 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 Helena?
Get at least 3 quotes from licensed professionals in Helena. Use Fizbo SmartSearch to find and compare local hvacs, read reviews, and request estimates — all in one place.