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
Furnace Installation
St. Louis, MO
Low
$812
Average
$3,039
High
$7,671
Updated Apr 2026
Heat Pump Installation
St. Louis, MO
Low
$2,157
Average
$7,521
High
$19,130
Updated Apr 2026
Ductwork Installation
St. Louis, MO
Low
$61
Average
$4,100
High
$11,453
Updated Apr 2026
Furnace Repair
St. Louis, MO
Low
$63
Average
$982
High
$2,542
Updated Apr 2026
Thermostat Installation
St. Louis, MO
Low
$83
Average
$224
High
$414
Updated Apr 2026
Duct Cleaning
St. Louis, MO
Low
$48
Average
$1,751
High
$4,755
Updated Apr 2026
Boiler Installation
St. Louis, MO
Low
$1,765
Average
$3,230
High
$7,262
Updated Apr 2026
Boiler Repair
St. Louis, MO
Low
$71
Average
$2,125
High
$5,800
Updated Apr 2026
HVAC Maintenance Tune-Up
St. Louis, MO
Low
$48
Average
$1,751
High
$4,755
Updated Apr 2026
Heat Pump Repair
St. Louis, MO
Low
$71
Average
$2,874
High
$7,940
Updated Apr 2026
Geothermal Heat Pump Installation
St. Louis, MO
Low
$48
Average
$23,384
High
$66,563
Updated Apr 2026
Attic Insulation Installation
St. Louis, MO
Low
$285
Average
$5,329
High
$14,739
Updated Apr 2026
Radiant Floor Heat Installation
St. Louis, MO
Low
$419
Average
$419
High
$551
Updated Apr 2026
Understanding HVAC Costs in St. Louis
Furnace installation costs in St. Louis vary significantly based on system complexity, home size, and existing infrastructure. The wide range reflects differences in furnace type (basic to high-efficiency models), ductwork modifications needed, and local market conditions. Factors like regional labor availability, climate demands, and local building codes all influence where quotes fall within the typical range for the area.
How St. Louis Compares
*Based on aggregated cost data from multiple sources