MacDonald-Miller Facility Solutions is the top choice, full-service, design-build, mechanical contractor in the Pacific Northwest.
With over 1,000 talented professionals, 10 locations and our own fabrication shop, no project is too small or too big. Whether you simply have a service call, or are planning a 40-story office building, we have the right team of system experts – for you and your buildings’ needs.
Our Smart Building Service blends predictive HVAC service with innovative technology solutions. Using the best mechanical technology paired with over 50 years of industry expertise, we are able to create a more cost-effective maintenance plan based on need. Our dedicated team of experts connect remotely to your HVAC system, so we can provide critical supervision and helpful building insights!
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It’s all in the details :+ : By Jesse Caudle & Henry Lewellen Sheet Metal Detailing and MEP Coordination MacDonald-Miller’s emphasis is in design-build construction. Our account executives, or sales force, work directly with owners and their design consultants to develop system concepts for buildings’ program requirements. Once the design is complete, and the Mechanical/Plumbing…
Heroic Moment King County Library System When an arsonist started a fire in a local library’s book drop, our Smart Building Services experts were able to remotely adjust the HVAC system operation to evacuate all the smoke from the building minimizing the impact of the fire. “Smart Building Services provides us with the comfort of…
Net Zero Hero “In the last 5 years, efforts to make buildings more sustainable have gone from nice-to-have to a “must-have” in the marketplace. Whether it is a new building or a retrofit of an existing building, or even a campus, the effort toward a lower carbon footprint is “afoot”! At MacDonald-Miller we are committed…
Celebrating 10 years of our Newsletter Perspective! Our Perspective Newsletter comes from the viewpoints and voices of our employees and customers. Here are the stories of MacMillians making buildings work better.
MacDonald-Miller is the premier mechanical contractor in the Northwest. And a huge reason for that is our people. Here, nothing is higher priority than creating an environment where employees can craft their own path, embrace technology, expand their skills, and, just as important, be themselves. We are a Finalist for “Best Places to Work in Washington”, in large part because our atmosphere is one of creativity and camaraderie, where the level of dedication is matched by the amount of fun we have! Sound like a good fit? Go to macmiller.com/jobs to find out more about the wide variety of opportunities we have available in Washington and Oregon
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Our clients have trusted us with their buildings for over 50 years. That’s because we listen to what our clients want, and we set out to make it happen.
Learn MoreWe don’t like to brag about ourselves. So here is what others have to say about us.