Geothermal.contractors

Vaughn Mechanical, Inc., doing business as Northwest Refrigeration, is a Tumwater, Washington heating and cooling contractor serving the South Puget Sound region since 1987. The company describes itself as an eco-conscientious HVAC specialist and a seasoned WaterFurnace dealer, with factory-trained technicians specializing in geothermal heating and cooling for both residential and commercial applications. Its service territory covers Tacoma, Olympia, Seattle, and Shelton, Washington. Beyond geothermal, Northwest Refrigeration provides solar PV and solar heating, ductless mini-split systems, indoor air quality solutions, commercial refrigeration, and chiller systems. The firm's long-standing WaterFurnace partnership and ground-source portfolio make it one of the more experienced geothermal contractors on the west side of the Cascades. Verified active operator per vaughnmechanical.com and northwestrefrigeration.net — WA bundle audit 2026-06-02