The cost to install ductwork in St. Louis ranges from $1,890 to $7,570, with most homeowners paying around $3,780. Your actual cost depends on several factors specific to your home and the St. Louis market.
The Midwest has a strong pool of skilled tradespeople, and labor rates tend to be moderate compared to coastal cities. Union and non-union shops both compete, giving homeowners options on pricing.
Budget $69–$276 for permits and inspections. Your contractor typically handles the permit process, but confirm this upfront.
Heating efficiency matters more in cold climates. High-efficiency units (95%+ AFUE for furnaces) cost more upfront but save significantly on heating bills over time. Heat pump systems may need supplemental heating below 0°F.
While possible for experienced homeowners, ductwork installation involves significant complexity. In St. Louis, you may still need a licensed pro for permits and inspections. DIY could save $1,722–$2,214 in labor.
Compare prices from licensed, insured contractors in St. Louis.
Browse More HVAC Projects →The average cost is $3,780, with most homeowners paying between $1,890 and $7,570 depending on project complexity.
Yes, a permit is typically required. Check with your local building department for specifics.
Most projects take 2–5 days to complete.