NorthWest Engineering Service, Inc.
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Claim This BusinessAbout NorthWest Engineering Service, Inc.
NorthWest Engineering Service, Inc. operates from 8700 SW Creekside Place in Beaverton, delivering third-party TAB, commissioning, and energy services across Oregon and Washington. Established as an employee-owned company, NWESI functions as a mechanical engineering firm specializing in building system performance rather than traditional residential HVAC equipment sales. The Beaverton office serves clients throughout the Portland metro region and extends reach into southwestern Washington, handling projects for commercial facilities, industrial properties, and institutional buildings. With a 3.7-star average drawn from three client reviews, the company maintains a focused specialization in testing, adjusting, and balancing along with complementary building envelope and fire dammper services.
What distinguishes NWESI from typical HVAC contractors is its emphasis on verification and optimization rather than equipment installation. The company provides independent third-party commissioning services, meaning their engineers evaluate existing building systems to verify performance meets design specifications. Retro-commissioning services help building owners improve efficiency in aging facilities without complete system replacements. Their Energy Assessment and Healthy Building Survey offerings target facilities seeking to optimize operational efficiency and indoor air quality. As an employee-owned enterprise, the company structures its workforce with stakeholder motivation built into project delivery.
Client feedback highlights professionalism and technical competence. Reviewer Jon Petersen awarded five stars, describing the team as excellent with high expertise and strong commitment to quality. While the dataset contains limited individual testimonials, the company's longevity and multi-location presence in Beaverton, Boise, and Coburg suggests sustained client relationships serving industrial, commercial, and institutional clients across the Pacific Northwest.
What Customers Say
All three client reviews rate NWESI at 5 stars, with reviewer Jon Petersen specifically praising the company's expertise, professionalism, and quality commitment. The limited sample size of three reviews makes broad quantitative analysis speculative, though the absence of negative feedback in available records contrasts with typical Mixed-review contractor profiles.
Working Hours
| Sunday | Closed |
| Monday | 7 AM–4:30 PM |
| Tuesday | 7 AM–4:30 PM |
| WednesdayToday | 7 AM–4:30 PM |
| Thursday | 7 AM–4:30 PM |
| Friday | 7 AM–4:30 PM |
| Saturday | Closed |
Services
Testing, Adjusting & Balancing (TAB)
Verifies HVAC airflow and water flow meet engineered specifications in commercial buildings.
Building Commissioning
Independent verification that new building systems perform to design specifications and owner requirements.
Retro-Commissioning
Optimizes performance of existing commercial building systems to improve efficiency and extend equipment life.
Fire & Smoke Damper Testing
Inspection and compliance verification for fire and smoke dampers required by building codes.
Energy Assessment
Analysis identifying opportunities to reduce building operational energy consumption and costs.
Building Envelope Testing
Air leakage and thermal performance testing for commercial building shell integrity.
Healthy Building Survey
Indoor air quality evaluation assessing occupant health factors in commercial facilities.