ENERGY STAR partner*
McKinstry
Office: Seattle
Northwest design-build, engineering, and facilities firm whose public profile lists benchmarking, audits, controls, retro-commissioning, and implementation services.
Systems and implementation
Building controls and HVAC providers
Browse providers whose public information includes building automation, HVAC optimization, controls, or implementation work.
How to use this guide
Start broad. Verify the exact scope.
Controls and HVAC projects can combine diagnostics, programming, equipment work, commissioning, and ongoing service. Separating those responsibilities in the proposal makes cost and accountability easier to evaluate.
The directory includes providers with public controls, HVAC, or implementation claims. Confirm manufacturer experience, system access, cybersecurity expectations, commissioning, warranties, and post-project support.
Before hiring
Questions worth asking every finalist.
- Which equipment, controls platforms, and network interfaces are included?
- Who owns programming files, passwords, trend data, and system documentation after the work?
- How will performance be tested and verified after changes are made?
- Are installation, commissioning, training, warranties, and ongoing service priced separately?
Publicly sourced directory
11 providers to review
Listings are ordered by the directory’s underlying research sequence, not quality or sponsorship. Confirm territory, services, credentials, availability, and price directly.
ENERGY STAR partner*
MacDonald-Miller Facility Solutions
Office: SeaTac
Pacific Northwest mechanical and building-systems firm with publicly listed HVAC, controls, engineering, tune-up, and energy-efficiency capabilities.
ENERGY STAR partner*
ATS Automation
Office: Renton
Renton-based building automation contractor whose public profile lists tune-ups, controls, HVAC optimization, energy audits, and Seattle benchmarking.
Ameresco
Office: Renton
Energy services company with a Washington presence and publicly listed auditing, benchmarking, engineering, controls, retro-commissioning, and performance-contracting services.
Velocity Building Technical Services
Office: Kent / Everett
Kent and Everett building-technical-services firm with a broad public profile covering benchmarking, audits, code compliance, commissioning, controls, and maintenance.
Integrity Energy Services
Office: Washington
Washington-qualified energy services firm whose public profile spans benchmarking, audits, engineering, retro-commissioning, controls, construction, and measurement.
Trane
Office: Redmond
Building-systems provider with a Redmond office and public services in tune-ups, HVAC, controls, planning, engineering, construction, and Seattle benchmarking.
UMC
Office: Mukilteo / Seattle
Washington mechanical contractor with public energy, environment, HVAC, controls, implementation, and commissioning capabilities; verify current compliance scope and availability.
Wood Harbinger
Office: Bellevue
Washington engineering firm with public MEP, controls, commissioning, and building-performance work from a Bellevue office.
Energy System Engineers
Office: Washington
Washington engineering consultancy whose public services include Clean Buildings performance compliance, commercial energy audits, and building-systems design.
Sunset Air
Office: Lacey / South Bend
Lacey-based commercial building-services firm offering energy benchmarking and efficiency support across South Puget Sound and Southwest Washington.
Primary source
Washington Clean Buildings program ↗Confirm the requirement before choosing help.
This directory is independent and cannot determine what a particular building must do.