HVAC Costs in St. Louis, MO
Verified cost ranges for hvac in St. Louis
HVAC Costs in St. Louis
Cost ranges verified from official sources
Heat Pump Installation
St. Louis, MO
Low
$6,011
Average
$6,344
High
$11,913
Updated Jun 2026
Ductwork Installation
St. Louis, MO
Low
$66
Average
$120
High
$414
Updated Jun 2026
AC Repair
St. Louis, MO
Low
$71
Average
$1,493
High
$3,994
Updated Jun 2026
Furnace Repair
St. Louis, MO
Low
$63
Average
$982
High
$2,542
Updated Jun 2026
Thermostat Installation
St. Louis, MO
Low
$93
Average
$214
High
$414
Updated Jun 2026
Duct Cleaning
St. Louis, MO
Low
$232
Average
$866
High
$2,040
Updated Jun 2026
Mini-Split Installation
St. Louis, MO
Low
$1,902
Average
$5,562
High
$13,788
Updated Jun 2026
Boiler Installation
St. Louis, MO
Low
$3,416
Average
$3,416
High
$5,528
Updated Jun 2026
Boiler Repair
St. Louis, MO
Low
$71
Average
$2,125
High
$5,800
Updated Jun 2026
HVAC Maintenance Tune-Up
St. Louis, MO
Low
$59
Average
$1,406
High
$3,756
Updated Jun 2026
Geothermal Heat Pump Installation
St. Louis, MO
Low
$2,368
Average
$7,639
High
$19,256
Updated Jun 2026
Attic Insulation Installation
St. Louis, MO
Low
$951
Average
$3,398
High
$8,558
Updated Jun 2026
Radiant Floor Heat Installation
St. Louis, MO
Low
$1,018
Average
$1,796
High
$3,913
Updated Jun 2026
AC Installation
St. Louis, MO
Low
$4,545
Average
$5,024
High
$9,607
Updated Jun 2026
Furnace Installation
St. Louis, MO
Low
$2,567
Average
$2,567
High
$4,473
Updated Jun 2026
Understanding HVAC Costs in St. Louis
Heat pump installation costs in St. Louis vary significantly based on system size, home characteristics, and local market conditions. The wide range reflects differences in equipment complexity, installation difficulty, and regional labor availability. Factors like existing ductwork, electrical upgrades, and local permitting requirements substantially impact final pricing.
How St. Louis Compares
*Based on aggregated cost data from multiple sources