Miller, Macdonald

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.

MacDonald-Miller can design and build complete boiler rooms from scratch. We offer the customer the best solutions possible with today's technology. We have the depth of experience to be able to provide a full-service solution to the boiler house because we have full-time pipefitters, sheet metal workers, and boiler specialists who think outside the box. Let us take care of Maintenance, Emergency Service, Repairs and Energy Savings! We are proud to be named the authorized partner for Autoflame & Limpsfield.

As the tidal wave of construction booms in Seattle and rapid expansion takes over the Pacific Northwest, we've built up a team of professionals capable of taking on every new challenge. Because of our ability to acquire an unparalleled volume of new construction work, we can tackle the largest mechanical projects Seattle has ever seen. From design, to build, to installation, to TAB and commissioning, we can be a true partner from concept to completion. MacDonald-Miller has both management and field experience to meet the growing demand of new construction in our industry.

MacDonald-Miller offers plumbing services, both emergency and routine, to help your plumbing system function at its best. Our technicians utilize their diverse experience and the industry's latest technology to offer solutions for all your building's plumbing needs. Offering services with a 24/7 response time, we stand ready and equipped to make your building work better. MacDonald-Miller installed the infrastructure for a full build out with future flexibility for tenants of all types. The plumbing scope included new bathrooms on each level and full attention to the aesthetics demanded by and open ceiling design concept including.

We don't define MacDonald-Miller as either a construction company or a design firm - because we're experts in both. While we aren't the only company offering these combined services, our depth, breadth, and level of talent set us apart from the competition. MacMiller has your project covered even before the machines start moving dirt. Pre-construction support for your project spans across departments and involves careful collaboration and insight from hvac, plumbing, and controls engineers, to CAD and BIM modelers, detailers, estimators, commissioning experts, and certified energy managers to name a few.

We're here to make your life a lot less hectic, and a lot more productive. As a local HVAC and Mechanical Contractor, MacDonald-Miller is committed to delivering true peace of mind. We perform regular inspections and maintenance of your building systems to ensure a greater level of operational excellence. We test, align, calibrate, and record performance to ensure your building's equipment quality and reduce downtime or emergencies. When it comes to dedicated HVAC service & maintenance, MacDonald-Miller is unmatched.