MacMiller Skyline VanSalem’s Top Choice.

Building managers & owners have enough to worry about, so let MacDonald-Miller take care of your HVAC needs. We’re here to make your life a lot less hectic, a lot more productive, and deliver 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, and we’re proud to be a part of the Oregon landscape.

Get in touch with us

3 Ways to make your building better.

Smart Building Maintenance

We turn your existing system into a smart system so you can focus on more important things (like how to spend your new found operational savings).

Get Smart

Request an Audit

The more you know, the more power you have to make informed decisions. Find out how a preliminary audit or investment grade audit could show areas for improving equipment functionality and decreasing costs of operation.

Energy Savings

Automate Your System

Stay in control of your operations with unified building automation. Operate your facilities at peak efficiency and maximum comfort by integrating all mechanical, electrical, safety, lighting, video, and card access into an operations center.

Take Controls
Oregon Energy Auditor

ODOE Energy Auditor

MacDonald-Miller is proud to be an ODOE (Oregon Department of Energy) Auditor on the list of Qualified Contractors that can perform Energy Auditing for Schools in Oregon!

Learn More

Oregon works better with MacMiller

We want the environment to be a non-issue, something people don’t think of, they just come to work and know they are going to be comfortable. MacDonald-Miller knows the quality level that we need here. I trust them 100%.” – Warren Larson, Facilities Supervisor at Synopsys

See More Videos

Oregon Projects

FLIR

FLIR

This Energy Trust of Oregon project was originally envisioned by Mike Smith of Energy 350, an outfit contracted by the industrial arm of the Energy Trust to ensure utility clients have easy access to quality energy consulting. Mike introduced the concept of Catalyst rooftop optimization to FLIR, which led to the discovery of additional efficiency…

View Project

AGC Electronics America

The AGC Electronics America (AGCEA) is a division of AGC Flat Glass North America, Inc., a global glass manufacturing company out of Tokyo, Japan. It is the largest glass company in the world and one of Mitsubishi’s core companies.This Hillsboro plant manufactures materials for the Semiconductor market, including Silicon Carbide (SiC) materials and CMP Slurry. Armed with prior…

View Project
Oregon service project

Lake Road Medical

Lake Road Medical is an 18,000 SF orthopedic and sports medicine medical office building located in the city of Milwaukie, Oregon. Though the building itself had been recently updated with state-of-the-art technology spread throughout the six medical practices’ clinical spaces, new elevators, and lobby, the HVAC system was running on its last leg. Lake Road…

View Project
Leatherman

Leatherman

Leatherman, headquarters in Portland, Oregon, operates its 90,000 square feet high-tech manufacturing space round the clock.  Their existing control system was failing and replacement system options did not address energy efficiency.  MacDonald-Miller engineered a wireless Advanced Rooftop Control (ARC) solution that met the client’s cost and efficiency needs.  The web enabled ARC solution varied supply…

View Project

What can we help you with?

We make buildings work better.