What HVAC replacement costs in Kelso
Construction pricing in Washington runs 10% above the national average, so HVAC replacement here typically lands between $10,450 and $18,150 installed, before rebates.
Figures are modeled from 2026 national baselines adjusted by a Washington cost factor of 1.10. They are estimates for comparison, not quotes — your property, access and material choices move the real number.
HVAC Contractors serving Kelso
Ranked by Google review volume. Listings are sourced from public business data; those marked Verified member have claimed and confirmed their listing with us.
- Northwest Airtech
- Carlson's Heating & Air Cond
- Service Patriots
- Wood Family Heating
- Hart Radiator & Air Conditioning
- Custom Heating & Cooling
We don't rank by who pays us. Always confirm a contractor's license and insurance before hiring.
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