HVAC Replacement Cost in St. Louis, MO
HVAC Replacement in St. Louis, MO costs a median of $7,400, with the middle 50% of projects between $4,478 and $10,563. Based on 32,686 permits filed between January 2018 and August 2026 with City of St. Louis Department of Public Safety. Last recalculated September 1, 2026.
Sourced from 32,686 building permits on file with the City of St. Louis. Source: St. Louis Building Permits.
Types of HVAC Replacement Work in St. Louis
| Type | Typical cost | Range | Projects |
|---|---|---|---|
| AC System | $9,000 | $800 - $30,000 | 79 |
| Boiler | $15,000 | $200 - $30,000 | 61 |
| Ductwork | $11,000 | $150 - $20,550 | 15 |
| Furnace | $4,000 | $600 - $25,000 | 77 |
| Heat Pump | $7,950 | $1,000 - $25,000 | 40 |
What Most Homeowners Paid
Each bar counts the projects filed in that price range.
| Price range | Projects |
|---|---|
| $2,000 to $3,800 | 3,923 |
| $3,800 to $5,600 | 6,669 |
| $5,600 to $7,400 | 4,244 |
| $7,400 to $9,200 | 5,384 |
| $9,200 to $11,000 | 3,477 |
| $11,000 to $12,800 | 2,005 |
| $12,800 to $14,600 | 1,304 |
| $14,600 to $16,400 | 1,299 |
| $16,400 to $18,200 | 709 |
| $18,200 to $20,000 | 715 |
Featured Contractors in St. Louis
Flat-fee paid placements. License verification required.
No featured contractors yet for HVAC Replacement in St. Louis.
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Public record data. HomeQuotr does not alter, estimate, or interpolate permit values.
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Half of all projects cost less. Half cost more.