Heating/Vent/Air-Conditioning and Refrig (HVAC/R) contractors in Walla Walla, WA
HVAC contractors install and service heating, ventilation, air-conditioning, and refrigeration systems that keep homes comfortable year-round. Washington currently lists 10 Heating/Vent/Air-Conditioning and Refrig (HVAC/R) contractors registered in Walla Walla.
American Air Heating/Clng LLC
Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA
License #AMERIAH854PE · $15,000 bond
Blaze 2 Blizzard Htng/Clng LLC
Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA
License #BLAZE2B791JB · $15,000 bond
Jim's A Thru Z Rfrg & Htg
Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA
License #JIMSTTZ914DE · $15,000 bond
Mountain Air HVAC Service
Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA
License #MOUNTAH832QH
Pro Heating & Air Conditioning
Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA
License #PROHEHA784K3 · $15,000 bond
Sure Temp Mechanical LLC
Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA
License #SURETTM8981K · $15,000 bond
Thermalwise Heating & Rfrg LLC
Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA
License #THERMHR773K3 · $15,000 bond
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Built from Washington State L&I public records, updated Aug 14, 2026. No star ratings or reviews — verification only.