(EESI logo)

28 Years of Service

- Comfortable Work Environments -
- Energy Efficient Building Systems -
- Low Maintenance Systems -

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Founded in 1979, EESI provides cost-effective mechanical, electrical, and control engineering services, with a special emphasis in assessments, building systems remodel or renovation design, commissioning, and energy upgrades. Our team has the expertise required to provide efficient, low maintenance building system designs which provide safe and comfortable environments.

With our main office centrally located in Corvallis and a branch office in Portland, we serve clients large and small throughout the Pacific Northwest. EESI is personalized enough for small projects, yet structured to handle large design and construction management projects.

Design projects are conducted from the initial site development through the final commissioning of all mechanical, electrical, HVAC controls, & related building systems. We offer a complete range of engineering services including:

  • As-built Drawings
  • Budgeting
  • Building System Monitoring
  • Building Systems
    > Troubleshooting
    > Assessment
  • Commissioning
  • Computer-Aided Drafting
  • Cost Analysis
  • Custom Software Programming
  • Documentation
  • Energy Analysis & Modeling
  • Feasibility Assessments
  • Master Planning
  • Mechanical, Electrical, & Controls Engineering Design
  • Operation & Maintenance Manuals
  • Project Management
  • Technical Specifications
  • Testing & Inspection Services