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Compare HVAC costs in Florissant, MO (2026)
Not sure which option fits? Here's how every HVAC project compares in Florissant — local 2026 estimates plus what each choice is best for. The most budget-friendly option here is Furnace Replacement (from $3,950).
Furnace ReplacementBest value$3,950 – $7,100
Best for: Lowest upfront cost for homes with gas heatTypically $5,550
Central AC Installation$5,650 – $12,000
Best for: Cooling only — pairs with an existing furnaceTypically $8,850
Heat Pump Installation$6,750 – $12,250
Best for: Most efficient; heats and cools in one systemTypically $9,500
Full HVAC System Replacement$8,100 – $14,950
Best for: Best when both heating and cooling are dueTypically $11,550
Often paired with HVAC in Florissant
Homeowners tackling HVAC frequently budget for these too.
Estimates are localized to Florissant (mixed climate) using local labor price levels, climate factors and permit fees. Always confirm with local contractors.