Compare
Compare HVAC costs in Crystal Lake, IL (2026)
Not sure which option fits? Here's how every HVAC project compares in Crystal Lake — local 2026 estimates plus what each choice is best for. The most budget-friendly option here is Furnace Replacement (from $4,900).
Furnace ReplacementBest value$4,900 – $8,800
Best for: Lowest upfront cost for homes with gas heatTypically $6,850
Central AC Installation$6,150 – $13,150
Best for: Cooling only — pairs with an existing furnaceTypically $9,650
Heat Pump Installation$7,950 – $14,550
Best for: Most efficient; heats and cools in one systemTypically $11,250
Full HVAC System Replacement$9,750 – $18,100
Best for: Best when both heating and cooling are dueTypically $13,950
Often paired with HVAC in Crystal Lake
Homeowners tackling HVAC frequently budget for these too.
Estimates are localized to Crystal Lake (cold climate) using local labor price levels, climate factors and permit fees. Always confirm with local contractors.