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Compare HVAC costs in Honolulu, HI (2026)
Not sure which option fits? Here's how every HVAC project compares in Honolulu — local 2026 estimates plus what each choice is best for. The most budget-friendly option here is Furnace Replacement (from $4,150).
Furnace ReplacementBest value$4,150 – $7,400
Best for: Lowest upfront cost for homes with gas heatTypically $5,800
Heat Pump Installation$7,250 – $13,200
Best for: Most efficient; heats and cools in one systemTypically $10,250
Central AC Installation$6,650 – $14,200
Best for: Cooling only — pairs with an existing furnaceTypically $10,450
Full HVAC System Replacement$9,150 – $16,900
Best for: Best when both heating and cooling are dueTypically $13,050
Often paired with HVAC in Honolulu
Homeowners tackling HVAC frequently budget for these too.
Estimates are localized to Honolulu (hot climate) using local labor price levels, climate factors and permit fees. Always confirm with local contractors.