MacDonald-Miller is bringing 50+ years of experience to the Inland Northwest. We blend traditional HVAC mechanical services with innovative technology to provide our customers with comprehensive building intelligence. 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, and we’re proud to be a part of the Eastern Washington landscape.