Rerouting ductwork typically costs homeowners between $800 and $6,500 depending on scope, with common single-run jobs at $1,200-$3,200. The main cost drivers are linear feet moved, duct diameter, access (attic vs. crawlspace), and whether new trunk lines or boots are required; this article focuses on cost and pricing to reroute ductwork for U.S. homes.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Basic single-run reroute | $800 | $1,800 | $3,200 | Assumptions: 10–20 linear ft, 6–8″ round, attic access. |
| Whole-room or multi-run reroute | $2,000 | $4,000 | $6,500 | Assumptions: multiple runs, new boots, moderate drywall repair. |
| Per linear foot | $12/ft | $25/ft | $45/ft | Includes materials + labor for 6–12″ ducts. |
Typical Total Price to Reroute Ductwork in a Home
Most homeowners pay a total between $1,200 and $4,000 to reroute one or two duct runs; full HVAC trunk reroutes for major layout changes range $3,500-$6,500. Expect $12-$45 per linear foot for new duct plus $75-$150 per hour for technician labor when detailed access or insulation is needed.
Assumptions: single-family home, average ceiling height, moderate access, standard galvanized or flexible duct.
Material, Labor, Equipment, and Disposal Costs in a Quote
Contractor quotes typically separate line items for materials, labor, equipment, and disposal; a clear breakdown helps compare bids. Materials and labor usually make up 70-90% of the total price.
| Materials | Labor | Equipment | Delivery/Disposal |
|---|---|---|---|
| $150-$1,200 (duct sections, boots, tape, insulation) | $400-$3,500 (tech hours, installer labor) | $50-$300 (duct crimpers, lifts, small rentals) | $50-$400 (debris haul, dumpster fee) |
How Length, Diameter, and Run Complexity Affect the Quote
Length: projects under 25 linear ft stay near the low end; 25–75 ft moves push to average; 75+ ft or multiple trunks reach the high end. Duct diameter and type also matter: 4–8″ flex or round duct is cheaper ($12-$30/ft) than 10–14″ rectangular or insulated trunk ($30-$60/ft).
Complexity: rooftop, chase work, or moving through finished ceilings adds $400-$2,000 depending on drywall repair and access tunneling. Threshold example: adding a new 10″ trunk or >50 ft of new runs typically increases quotes by 30-60%.
Practical Ways Homeowners Reduce Reroute Ductwork Prices
Scope control and timing cut costs: combine duct reroute with scheduled HVAC service or system replacement to lower mobilization fees. Providing easy attic/crawl access and doing minor demo or drywall prep can shave $200-$800 off labor charges.
- Opt for flex-to-metal transition only where necessary; flex-only runs lower material/labor.
- Limit new branch runs; reroute main trunks instead of adding long lateral runs.
- Schedule work in shoulder seasons to avoid peak contractor rates.
Regional Price Differences That Affect Final Pricing
Prices vary by region: coastal urban areas and the Northeast are typically 10-35% higher than the national average; Midwest and parts of the South are 10-20% lower. A $2,000 reroute in the Midwest may be $2,400-$2,700 in a large coastal metro due to labor and overhead differences.
| Region | Typical Delta | Example Average |
|---|---|---|
| Midwest | -10% to -20% | $1,600 (vs. national avg) |
| Northeast / Coastal | +10% to +35% | $2,200-$2,700 |
| South / Rural | -5% to -15% | $1,700 |
Typical Labor Time, Crew Size, and Hourly Rates to Expect
Simple single-run reroutes: 2–6 hours with a 1–2 person crew; medium multi-room jobs: 8–20 hours with a 2–3 person crew. Expect technician rates of $75-$125 per hour and helper rates of $40-$75 per hour.
Formula example: 10 hours × $95/hr technician + 10 hours × $55/hr helper ≈ $1,500 labor. Assumptions: standard access, no major structural work.
Common Add-ons, Permits, and Disposal Fees That Increase Price
Permits or inspections add $50-$400 depending on local code; drywall repair for ceiling penetrations is commonly charged separately at $200-$1,000. Additional costs such as new grilles, balancing, or insulation packages can add $100-$800 to a reroute job.
| Item | Typical Range | When Applied |
|---|---|---|
| Permit/inspection | $50-$400 | Major trunk changes, structural penetrations |
| Drywall patch & paint | $200-$1,000 | Finished ceilings or walls opened |
| System balancing / testing | $150-$450 | Required after major reroute for airflow |
Three Real-World Quote Examples With Specs and Totals
Example A: Single bedroom run moved 15 linear ft, 6″ flex, attic access: Materials $175, Labor 3 hours @ $95 = $285, Total ≈ $700. Small scope, easy access keeps this at the low end.
Example B: Two runs + one trunk extension 45 ft, 8–10″ ducts, partial drywall repair: Materials $650, Labor 12 hours @ mixed rates = $1,200, Disposal & patching $450, Total ≈ $2,300.
Example C: Major layout change, 80+ ft of 10″ trunk, rooftop chase, permits: Materials $1,800, Labor 30 hours = $3,000, Equipment & permit $700, Drywall $900, Total ≈ $6,400. Assumptions: urban rates, licensed HVAC crew.