How Much Does Air Duct Cleaning Cost in Delaware?
Delaware pricing is near the national average. Updated for 2026.
Air Duct Cleaning Pricing in Delaware
In Delaware, the average cost for air duct cleaning is $499 per home, which is 5% higher than the national average of $475. Most Delaware residents pay between $263 and $1,050.
Delaware has costs that track closely with the national average, though prices can still vary between urban and rural areas within the state.
Professional air duct cleaning removes dust, allergens, mold, and debris from your HVAC ductwork using specialized vacuum and brush systems to improve indoor air quality.
Delaware vs National Average
What Affects Air Duct Cleaning Cost in Delaware?
Home size
Under 2,000 sq ft: $250-$400. 2,000-3,500 sq ft: $350-$600. Over 3,500 sq ft: $500-$1,000
Add-ons
Dryer vent cleaning: $75-$150. Sanitizing/deodorizing: $75-$200. Mold treatment: $200-$500
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💡 Tips to Save on Air Duct Cleaning in Delaware
- 1.Only clean every 3-5 years unless you have allergies or pets
- 2.Avoid $99 whole-house specials — they often upsell aggressively
- 3.Change HVAC filters every 1-3 months to reduce duct buildup
- 4.Ask about dryer vent cleaning bundle discounts
📈 Air Duct Cleaning in Delaware Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $424 | — |
| 2021 | $442 | +4.2% |
| 2022 | $471 | +6.6% |
| 2023 | $484 | +2.8% |
| 2024 | $499 | +3.1% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Air Duct Cleaning in Delaware
Recent Reports
Frequently Asked Questions
How often should air ducts be cleaned?
Every 3-5 years for most homes. More frequently if you have pets, smokers, recent renovations, or family members with allergies or asthma.
Air Duct Cleaning Cost in Other States
Related Cost Guides for Delaware
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