Ductwork Cost Per Linear Foot: Price Guide 2026
The ductwork cost per linear foot varies with material, size, and installation complexity. Typical price factors include duct type, insulation, labor rates, and regional differences. This guide presents clear low average and high ranges to help buyers estimate a project budget and compare quotes.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Installed ductwork per linear foot | $6 | $12 | $22 | Includes labor, basic material, and fittings |
| Materials per linear foot (duct only) | $2 | $5 | $10 | Galvanized steel or flexible duct |
| Insulation per linear foot | $0.50 | $1.50 | $3 | R6–R8 typical for residential |
| Labor per linear foot | $3 | $6 | $12 | Includes fastening and sealing |
| Permits & inspections | $50 | $150 | $500 | Depends on jurisdiction |
Overview Of Costs
Cost ranges vary by duct type and installation complexity. Ductwork cost per linear foot is typically quoted as a combined installed price that blends materials and labor. Assumptions here include standard rectangular or round ducts, basic insulation, and a straightforward run with a few transitions. When calculating total project costs, consider duct size, run length, and any required attic or crawlspace access. For reference, typical residential projects run from and above substantial ranges depending on scope.
Cost Breakdown
Understanding where money goes helps justify quotes and potential savings. A per foot table below highlights common cost buckets. The totals combine materials, labor, and minor fees into an installed per foot figure. The table uses a mix of totals and per unit pricing to reflect real-world quoting practices.
| Category | Low | Average | High | Notes |
|---|---|---|---|---|
| Materials | $2 | $5 | $10 | Includes duct, connectors, and basic insulation |
| Labor | $3 | $6 | $12 | Skilled HVAC installer rates |
| Insulation | $0.50 | $1.50 | $3 | R value dependent on climate |
| Permits | $50 | $150 | $500 | Regional variation |
| Delivery/Disposal | $0 | $0.50 | $2 | Small materials handling |
| Warranties | $0 | $1 | $2 | Minor transfer costs may apply |
What Drives Price
Key cost drivers include duct size, material, and run length. Duct diameter and shape determine material thickness and labor time. For example, larger 16 inch round ducts cost more per foot than smaller 6–8 inch runs. Insulation type and thickness add to the per foot price, especially in colder climates. The system’s total length, number of fittings, and the presence of drops to multiple zones also influence final bids.
Ways To Save
Smart planning can lower overall duct installation costs. Consider consolidating runs to reduce fittings, selecting standard sizes, and prioritizing essential insulation levels for climate. Obtain multiple quotes, verify load calculations, and schedule work in off-peak seasons when contractors have greater availability. Avoid unnecessary custom elbows or overly tight bends that raise labor time and material waste.
Regional Price Differences
Prices differ across regions due to labor markets and material sourcing. In the Northeast, expect higher labor rates and permitting costs than in the Midwest. The South often features moderate labor costs with variable material accessibility. Rural areas may show lower installed per foot prices but higher travel charges for crews. Typical deltas range from minus 10 to plus 20 percent depending on region and project specifics.
Labor & Installation Time
Time correlates with cost through hourly rates and crew size. A standard two-person crew can install mid sized runs in several hours, while complex ductwork with many drops or limited attic space increases hours. For budgeting, use a rough guide of 4–12 hours for moderate runs on a single zone system, depending on access and insulation work. Larger homes or multi zone layouts can double or triple labor time.
Additional & Hidden Costs
Expect several ancillary charges beyond the core per foot price. Potential extras include access hardware, mounting brackets, sealants, pressure testing, and temporary protections for living areas. Some projects incur dash totals for attic crawlspace remediation, balancing and leveling, or complex vibrational isolation. Permit fees, inspections, and disposal of old ducting may add to the bottom line.
Real World Pricing Examples
Three scenario snapshots illustrate common ranges.
- Basic: 40 ft run, galvanized round duct, minimal insulation, no zone control. Specs: 40 ft, 8 inch diameter, standard fittings. Labor ~6 hours. Total: about 320–520; 8–13 per ft. Assumptions: single story, accessible attic.
- Mid Range: 120 ft run, mix of round and rectangular duct, moderate insulation, one zone. Specs: 120 ft, multiple transitions, R6. Total: about 1,200–2,100; 10–18 per ft.
- Premium: 200 ft run, insulated rectangular and round duct, multiple drops, two zones, custom fittings, improved sealing. Specs: 200 ft, high performance insulation. Total: about 2,800–5,200; 14–26 per ft.
Assumptions: region, specs, labor hours.