Compare
Compare HVAC costs in Caldwell, ID (2026)
Not sure which option fits? Here's how every HVAC project compares in Caldwell — 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 – $7,500
Best for: Lowest upfront cost for homes with gas heatTypically $5,850
Central AC Installation$5,250 – $11,200
Best for: Cooling only — pairs with an existing furnaceTypically $8,250
Heat Pump Installation$6,800 – $12,350
Best for: Most efficient; heats and cools in one systemTypically $9,600
Full HVAC System Replacement$8,300 – $15,400
Best for: Best when both heating and cooling are dueTypically $11,850
Often paired with HVAC in Caldwell
Homeowners tackling HVAC frequently budget for these too.
Estimates are localized to Caldwell (cold climate) using local labor price levels, climate factors and permit fees. Always confirm with local contractors.