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How much does air duct replacement cost for a typical home?

Air duct replacement cost for a typical home is set only after an in-home inspection, and Boulden Brothers provides up-front, no-surprise pricing. The biggest driver is the scope of work and how accessible the existing ducts are. A technician evaluates sizing, condition, and whether replacement, targeted repairs, cleaning, or sealing is the smartest path; we start by measuring airflow so the design fits your rooms, not just the old layout. Aeroseal is a cutting-edge duct sealing technology that uses a safe, non-toxic aerosol sealant to close leaks in ductwork from the inside, which can be a lower-disruption alternative to full replacement. Our team frequently completes duct projects in the Darlington area. An on-site assessment documents your system and gives you a firm quote before any work begins.

  • Key factors that shape your final price:
  • Home size and total duct length to be replaced
  • Number of supply and return runs, fittings, and plenums
  • Duct material, insulation level, and air-sealing needs
  • Attic, crawlspace, or finished-wall access complexity

Updated: 2026-03-12


Need help in Darlington, MD? Call (302) 368-3848 or book online.

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