Family Owned & OperATED

38 Years of Combined Experience!

We are a Veteran - Servicemember locally owned company with service as Our #1 Priority!  Proudly serving Walla Walla and the surrounding communities.  When it comes to heating, air conditioning or refrigeration, Mill Creek Mechanical is the one to call. We are a local business with over 38 years of experience in HVAC & Refrigeration. We provide both residential and commercial expertise. We service all brands! Call us next time you need service.
WDVA Veteran or Servicemember Owned Business.


Services we provide

At Mill Creek Mechanical, we offer heating, air conditioning repair, and installation in residential and commercial applications along with commercial refrigeration. We also repair espresso machines and boilers and specialize in winery equipment! 40 years of combined experience to bring our customers service and repairs. 24-hour emergency service and maintenance service plans available for both commercial and residential services.


At Mill Creek Mechanical we take your indoor air quality extremely serious. Whether you are in need of an HVAC service or a replacement, it is important that you have confidence you are getting the best possible quality products and services. Service and customer satisfaction is our #1 priority!


The grade you get from the BBB represents the BBB's degree of confidence that your business is operating in a trustworthy manner and will make a good faith effort to resolve any customer complaints. BBB ratings are based on the transparency and integrity of your business. We are proud of our work!