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Oyvind Naess min

Oyvind Naess, P.E.

Principal, Mechanical Engineering
Seattle, Washington

Oyvind Naess, P.E.

Oyvind Naess has more than 25 years of experience providing mechanical engineering services for a diverse group of facility types including mixed-use, residential and hospitality high-rise buildings, critical care/hospital facilities, medical clinics, assisted living facilities, data centers, and commercial office buildings.

These projects have included a variety of HVAC systems, central heating and cooling plants, hydronic piping systems, plumbing design, medical gas systems, hydronic heating, heat pump systems, chilled water systems, VRF systems, and dedicated outside air systems. Oyvind also has vast experience in smoke control systems, underfloor air distribution systems, and sustainable design.

He has considerable design-build experience, having worked for a mechanical contractor and leading many of Coffman’s design-build teams.  Oyvind uses a holistic approach that factors in constructability including design and performance through all phases of a project. 

Oyvind has been involved in Washington State Energy Code development, Seattle Energy Code development, and Seattle Mechanical Code development for more than ten years. He has been involved with USGBC and LEED since 1997, before LEED version 1.0 was released. In 2005, he completed the Certified Sustainable Building Advisor program, focusing on integrated sustainable design, including indoor environmental quality and high performance building systems. Oyvind has completed more than 25 LEED projects under NC, CS, CI and LEED for Homes. 

He attended Trondheim College of Engineering earning a Bachelor of Science in HVAC and Plumbing Design and a Master of Science in Mechanical Engineering. He also attended the University of Washington where he earned another Bachelor of Science degree in Mechanical Engineering.


Professional Affiliations/Community Affiliations

Puget Sound Chapter American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)
Washington State Society of Healthcare Engineering (WSSHE)

The buildings that Coffman Engineers designs are both modern and reflective of historic times.