Heating/Vent/Air-Conditioning and Refrig (HVAC/R) contractors in Walla Walla, WA

10 contractors · Updated Sep 28, 2026

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.

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American Air Heating/Clng LLC

Listed

Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA

License #AMERIAH854PE · $15,000 bond

Blaze 2 Blizzard Htng/Clng LLC

Listed

Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA

License #BLAZE2B791JB · $15,000 bond

Jim's A Thru Z Rfrg & Htg

Listed

Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA

License #JIMSTTZ914DE · $15,000 bond

Mountain Air HVAC Service

Listed

Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA

License #MOUNTAH832QH

Pro Heating & Air Conditioning

Listed

Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA

License #PROHEHA784K3 · $15,000 bond

Sure Temp Mechanical LLC

Listed

Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Walla Walla, WA

License #SURETTM8981K · $15,000 bond

Thermalwise Heating & Rfrg LLC

Listed

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 Sep 28, 2026. Subser doesn't do star ratings or reviews — just verified records.