Air Duct Replacement Cost in 2024

On February 25, 2026  By newsroom   Topic: Home Services

Replacing air ducts can enhance home comfort and energy efficiency. Here's a detailed breakdown of the costs and considerations:


Average Costs

  • By Home Size:
  • 1,000–2,000 sq. ft.: $1,400–$4,500
  • 2,000–3,000 sq. ft.: $2,800–$6,700
  • 3,000–4,000 sq. ft.: $4,200–$9,000

  • By Location:

  • Wall/Ceiling: $1,000–$4,000
  • Basement: $1,800–$3,100
  • Attic: $2,200–$5,600
  • Crawl Space: $3,000–$7,300

  • Per Linear Foot:

  • $25–$55 per linear foot or $270–$500 per air duct.

Cost Factors to Consider

  • Material Choices :
  • Flexible (non-insulated): $1–$3/ft.
  • Flexible (insulated): $2–$4/ft.
  • Fiberglass: $4–$6/ft.
  • Sheet Metal: $7–$13/ft.

  • Insulation Needs :

  • $800–$2,000 for insulation (flexible fiberglass: $1–$4/sq. ft.; foam board: $4–$8/sq. ft.).

  • Additional Work:

  • Asbestos or mold removal: $250–$6,000.
  • Drywall/ceiling repairs: $150–$1,200.
  • Permits: $250–$1,500.

Optional Add-Ons

  • Adding Vents: $250–$500 per vent.
  • Cleaning Existing Ducts: $270–$500 total ($25–$50 per vent).
  • Sealing Ducts: $400–$2,700.
  • Duct Armor Lining: $5,000–$30,000.

DIY vs. Hiring a Pro

  • DIY:
  • Risky and complex; can lead to air leaks, inefficiency, and warranty voids.
  • Hiring Pros:
  • Ensures safety, compliance with codes, and efficiency.

Money-Saving Tips

  • Compare Quotes: Get multiple estimates from contractors.
  • Opt for Insulated Ducts: Save on long-term energy costs.
  • Bundle Services: Combine ductwork with other home projects.
  • Regular Maintenance: Prevent costly replacements with routine care.

Insight: Upgrading to insulated or properly sealed ducts can save up to 20% on energy bills annually.


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