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Ductwork Repair & Cleaning Cost in Fairfax, VA
Detailed pricing guide with local market adjustments and material comparisons
Fairfax Average
$255–$1,275
Market Tier
Small City
Cost Breakdown
Ductwork Repair & Cleaning Cost in Fairfax
Small CityLowAverageHigh
$255$765$1,275
Market Tier
Small City (0.85x)
Small city with below-average costs
Material Cost Comparison
Mastic sealant(Budget)
$191–$956Metal-backed duct tape(Mid-Range)
$255–$1,275Flex duct(Premium)
$357–$1,785Factors 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 Fairfax
AC Guys DMV Services
Alexandria, VA
(202) 440-8874HVAC & Plumbing Unlimited
Alexandria, VA
(703) 455-6000
Salvation Heating & Air Conditioning
Arlington, VA
(703) 859-2200K&K Air Duct & Dryer Vent Cleaning
Alexandria, VA
(571) 339-4265Founding Member
Premium spot in Fairfax
Ambassador
Lead the Fairfax community
Founding Member
Premium spot in Fairfax
Fairfax Housing Market
Median Home Price
$840,000
Homes for Sale
83
Price per Sq Ft
$347
Local Pros
600
Home Service Professionals Near Fairfax
lender 101Agents 95multimedia_specialist 82Landscapers 78Roofers 65Movers 65Flooring 57Cleaners 57
Median Household Income
$132,774
Median Home Value
$677,400
Median Rent
$2,122/mo
Homeownership Rate
69.3%
Population
24,478
Median Year Built
1967
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
Fairfax 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
81
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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J&R Home Services
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Date:2026-04-10
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Cost FAQ
What is the average cost of ductwork repair & cleaning in Fairfax?
The average cost of ductwork repair & cleaning in Fairfax, VA 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 Fairfax, 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 Fairfax?
Get at least 3 quotes from licensed professionals in Fairfax. Use Fizbo SmartSearch to find and compare local hvacs, read reviews, and request estimates — all in one place.