Install Gas or Electric Furnace Cost in Florissant, MO in 2026
Most Install Gas or Electric Furnace projects in Florissant, MO cost between $4,200 and $13,500. The typical price is $7,500.
Florissant 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 Florissant, MO
Businesses listed on Google near Florissant, MO. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Academy Air Heating, Cooling, Plumbing and Electric
4.8(7,396 reviews)
4848 Park 370 Blvd Ste F, Hazelwood, MO 63042
Goldkamp Heating & Cooling
4.9(1,577 reviews)
890 N Lafayette St, Florissant, MO 63031
B & B Heating & Cooling
4.9(1,469 reviews)
1955 Washington St, Florissant, MO 63033
ACE Service Experts Heating & Cooling
4.8(413 reviews)
801 Rue St. Francois St Apt D, Florissant, MO 63031
Ward, Inc.
4.9(267 reviews)
4132 Seven Hills Dr, Florissant, MO 63033
Click Heating & Cooling
5.0(28 reviews)
124 St Francois St, Florissant, MO 63031