HVAC Cost in Chesterfield, MO in 2026
Most HVAC projects in Chesterfield, MO cost between $4,900 and $16,000. The typical price is $9,000.
Chesterfield prices track the national average closely. Costs here are close enough to the national picture that the adjustment barely moves the number.
What drives the price
- System size in tons and efficiency rating
- Heat pump versus furnace plus AC
- Ductwork condition and whether it is replaced
- Electrical or gas line changes
Usually included
- Equipment and refrigerant lines
- Installation, startup and commissioning
- New thermostat
- Haul-away of the old unit
Usually extra
- Duct replacement
- Electrical panel upgrades
- Permits and inspections
HVAC contractors in Chesterfield, MO
Businesses listed on Google near Chesterfield, MO. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Jerry Kelly Heating, Air Conditioning, Electrical & Plumbing
4.9(7,143 reviews)
4631 N St Peters Pkwy, St Peters, MO 63304
Chesterfield Service
4.9(4,440 reviews)
245 Chesterfield Industrial Blvd, Chesterfield, MO 63005
Jerry Kelly Heating & Air Conditioning
4.9(2,048 reviews)
14548 Manchester Rd, Ballwin, MO 63011
Superior Service
4.9(1,924 reviews)
17722 Chesterfield Airport Rd, Chesterfield, MO 63005
Fresh Air Heating and Cooling
4.9(1,849 reviews)
612 Spirit Valley E Dr, Chesterfield, MO 63005
Vitt Heating & Cooling
4.8(1,000 reviews)
14352 S Outer Forty Rd, Chesterfield, MO 63017