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

6 contractors · Updated Sep 27, 2026

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.

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Absolute Gas Services

Listed

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

License #ABSOLGS002BU · $15,000 bond

Aeroheat LLC

Listed

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

License #AEROHL*743DO · $15,000 bond

Northwest Lab Services LLC

Listed

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

License #NORTHLS816KC · $15,000 bond

Royal Mechanical LLC

Listed

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

License #ROYALML877RE

Sapphire Heating And Air LLC

Listed

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 Sep 27, 2026. Subser doesn't do star ratings or reviews — just verified records.