Compare

Compare HVAC costs in Twin Falls, ID (2026)

Not sure which option fits? Here's how every HVAC project compares in Twin Falls — local 2026 estimates plus what each choice is best for. The most budget-friendly option here is Furnace Replacement (from $4,000).

Furnace ReplacementBest value$4,000 – $7,150

Best for: Lowest upfront cost for homes with gas heatTypically $5,600

Central AC Installation$5,000 – $10,700

Best for: Cooling only — pairs with an existing furnaceTypically $7,850

Heat Pump Installation$6,500 – $11,800

Best for: Most efficient; heats and cools in one systemTypically $9,150

Full HVAC System Replacement$7,950 – $14,700

Best for: Best when both heating and cooling are dueTypically $11,350

Often paired with HVAC in Twin Falls

Homeowners tackling HVAC frequently budget for these too.

Insulation

Attic Insulation

Typical 2026$1,500 – $6,000

Estimates are localized to Twin Falls (cold climate) using local labor price levels, climate factors and permit fees. Always confirm with local contractors.