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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