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Compare HVAC costs in Flagstaff, AZ (2026)
Not sure which option fits? Here's how every HVAC project compares in Flagstaff — local 2026 estimates plus what each choice is best for. The most budget-friendly option here is Furnace Replacement (from $3,700).
Furnace ReplacementBest value$3,700 – $6,650
Best for: Lowest upfront cost for homes with gas heatTypically $5,200
Heat Pump Installation$6,500 – $11,850
Best for: Most efficient; heats and cools in one systemTypically $9,200
Central AC Installation$5,950 – $12,750
Best for: Cooling only — pairs with an existing furnaceTypically $9,350
Full HVAC System Replacement$8,200 – $15,200
Best for: Best when both heating and cooling are dueTypically $11,700
Often paired with HVAC in Flagstaff
Homeowners tackling HVAC frequently budget for these too.
Estimates are localized to Flagstaff (hot climate) using local labor price levels, climate factors and permit fees. Always confirm with local contractors.