HVAC/RFRG contractors in Walla Walla, WA
HVAC/refrigeration contractors install and service heating, cooling, and refrigeration equipment in homes and businesses. Washington currently lists 12 HVAC/RFRG contractors registered in Walla Walla.
Grassi Refrigeration Srvc INC
HVAC/Rfrg · Walla Walla, WA
License #GRASSRS827PU · $4,000 bond
Grassi Services LLC
HVAC/Rfrg · Walla Walla, WA
License #GRASSSL756QD · $4,000 bond
Mill Creek Mechanical
HVAC/Rfrg · Walla Walla, WA
License #MILLCCM819ML · $4,000 bond
Powers Refrigeration LLC
HVAC/Rfrg · Walla Walla, WA
License #POWERRL7662U · $4,000 bond
Sure Temp Mechanical LLC
HVAC/Rfrg · Walla Walla, WA
License #SURETTM898JK · $4,000 bond
Total Comf SL Htg Clg/Plb LLC
HVAC/Rfrg · Walla Walla, WA
License #TOTALCS743CK · $4,000 bond
Walla Walla Refrigeration LLC
HVAC/Rfrg · Walla Walla, WA
License #WALLAWR834RJ · $4,000 bond
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Other trades in Walla Walla
- General (569)
- Painting/Wallcovering (27)
- Landscaping (24)
- Floor Covering and Counter Tops (13)
- Handyman (12)
- Concrete (11)
- Cabinets, Millwork and Finish Carpentry (11)
- Heating/Vent/Air-Conditioning and Refrig (HVAC/R) (10)
- Tile, Ceramic, Mosaic, Natural and MFG Stone (7)
- Residential (7)
- Dry Wall (7)
- Irrigation/Sprinkling Systems (5)
Built from Washington State L&I public records, updated Aug 13, 2026. No star ratings or reviews — verification only.