Heating/Vent/Air-Conditioning and Refrig (HVAC/R) contractors in Mill Creek, WA
HVAC contractors install and service heating, ventilation, air-conditioning, and refrigeration systems that keep homes comfortable year-round. Washington currently lists 6 Heating/Vent/Air-Conditioning and Refrig (HVAC/R) contractors registered in Mill Creek.
Absolute Gas Services
Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Mill Creek, WA
License #ABSOLGS002BU · $15,000 bond
Aeroheat LLC
Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Mill Creek, WA
License #AEROHL*743DO · $15,000 bond
Northwest Lab Services LLC
Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Mill Creek, WA
License #NORTHLS816KC · $15,000 bond
Royal Mechanical LLC
Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Mill Creek, WA
License #ROYALML877RE
Sapphire Heating And Air LLC
Heating/Vent/Air-Conditioning And Refrig (HVAC/R) · Mill Creek, WA
License #SAPPHHA756JG · $15,000 bond
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Built from Washington State L&I public records, updated Aug 13, 2026. No star ratings or reviews — verification only.