Compare
Compare HVAC costs in Fullerton, CA (2026)
Not sure which option fits? Here's how every HVAC project compares in Fullerton — local 2026 estimates plus what each choice is best for. The most budget-friendly option here is Furnace Replacement (from $4,350).
Furnace ReplacementBest value$4,350 – $7,800
Best for: Lowest upfront cost for homes with gas heatTypically $6,100
Central AC Installation$6,200 – $13,200
Best for: Cooling only — pairs with an existing furnaceTypically $9,700
Heat Pump Installation$7,400 – $13,450
Best for: Most efficient; heats and cools in one systemTypically $10,450
Full HVAC System Replacement$8,850 – $16,400
Best for: Best when both heating and cooling are dueTypically $12,650
Often paired with HVAC in Fullerton
Homeowners tackling HVAC frequently budget for these too.
Estimates are localized to Fullerton (mixed climate) using local labor price levels, climate factors and permit fees. Always confirm with local contractors.