HVAC/RFRG contractors in Carnation, WA
HVAC/refrigeration contractors install and service heating, cooling, and refrigeration equipment in homes and businesses. Washington currently lists 3 HVAC/RFRG contractors registered in Carnation.
Action Heating & Air Cond
HVAC/Rfrg · Carnation, WA
License #ACTIOHA008DB · $4,000 bond
Hastings Mechanical
HVAC/Rfrg · Carnation, WA
License #HASTIM*758DC · $4,000 bond
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Other trades in Carnation
Built from Washington State L&I public records, updated Aug 13, 2026. No star ratings or reviews — verification only.