What HVAC replacement costs in Spearfish
Construction pricing in South Dakota runs 9% below the national average, so HVAC replacement here typically lands between $8,645 and $15,015 installed, before rebates.
Figures are modeled from 2026 national baselines adjusted by a South Dakota cost factor of 0.91. They are estimates for comparison, not quotes — your property, access and material choices move the real number.
HVAC Contractors serving Spearfish
Ranked by Google review volume. Listings are sourced from public business data; those marked Verified member have claimed and confirmed their listing with us.
- LPH Mechanical
- Flow Mechanical
- Central Air & Technologies
- Air Connection
- Wolff's Plumbing & Heating Inc.
We don't rank by who pays us. Always confirm a contractor's license and insurance before hiring.
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