Make the Most of Your HVAC Investment.

DB Engineering knows how to make complex HVAC systems work and measure how well they perform. New products, strategies and technologies can offer significant benefits, but only when they are properly applied and operated. We help our clients get the most out of their HVAC system investments.

Our Services


Finding the best technological solutions to challenging HVAC applications in the varied climates throughout the world...


Building types include: Commercial Buildings, High Tech Corporate Real Estate, Healthcare, Life Sciences, Higher Education, Pharmaceutical, Retail, Assembly, Gaming…
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Energy-Smart Buildings

Working with Microsoft on their Energy-Smart Building initiative, worldwide. We want to help everyone benefit...

Energy-Smart Buildings

DB Engineering works closely with Microsoft, providing building mechanical system design and operation support, worldwide. Over the past 5 years…
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Building, Existing Building, Retro-commissioning (Cx, EBCx and RCx) and now Connected Building Commissioning…


Let’s start by asking ourselves, what is commissioning? According to ASHRAE, the commissioning process is a quality-oriented process of achieving…
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Experience, Domestically and Around the World

Established in 1999, DB Engineering has evolved from a Design/Owner Advocate company into a team of dedicated professionals capable of providing full-service solutions for clients in the Pacific Northwest and around the world. more

DB Engg Cities

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Beijing, China: 39.904211, 116.407395
Shanghai, China : 31.230416, 121.473701
Suzhou, China: 31.264732, 121.079163
Shenzhen, Guangdong, China : 22.543096, 114.057865
New York, NY, USA: 40.712784, -74.005941
Tokyo, Japan: 35.689487, 139.691706
Hyderabad, Uttar Pradesh, India : 26.821055, 80.496606
Cambridge, United Kingdom: 52.201776, 0.132432
Oslo, Norway: 59.913869, 10.752245
Copenhagen, Denmark: 55.676097, 12.568337
Dublin, Ireland: 53.349805, -6.260310
Manaus, State of Amazonas, Brazil: -3.118923, -60.021518
Guadalajara, Mexico : 20.659699, -103.349609
Munich, Germany : 48.135125, 11.581981
Haifa, Israel : 32.794046, 34.989571
Riyadh, Saudi Arabia: 24.713552, 46.675296
Seattle, WA, USA: 47.606209, -122.332071
Portland, OR, USA : 45.523062, -122.676482
Boise, ID, USA: 43.618710, -116.214607
San Jose, CA, USA : 37.338208, -121.886329
Irvine, CA, USA: 33.683947, -117.794694
Santa Monica, CA, USA: 34.019454, -118.491191
Salt Lake City, UT, USA: 40.760779, -111.891047
Madison, WI, USA : 43.073052, -89.401230
Fargo, ND, USA: 46.877186, -96.789803
St. Louis, MO, USA : 38.627002, -90.199404
Charlotte, NC, USA : 35.227087, -80.843127
Las Colinas, Irving, TX, USA: 32.896988, -96.953123
Boston, MA, USA: 42.360082, -71.058880
Singapore: 1.352083, 103.819836
Houston: 29.684873, -95.410645

Our Valuable Team Members

Owner and founder of DB Engineering, Doug is an experienced mechanical engineer with exposure to a wide variety of design, operation and optimization services around the world. Doug’s experience includes complete mechanical system design for commercial office, data center, computer lab, telecommunications and industrial facilities. As an Owner Advocate, Doug coordinates design criteria and construction requirements with Design/Build contractors and building owners. Doug has also been closely involved with the deployment of Microsoft’s Energy-Smart Building initiative to optimize commercial building assets and reduce energy consumption through data system integration and real-time analytics. More
Norm Kirby
Norm brings more than 25 years of design, operation and optimization services to DB Engineering clients. With experience in commercial office and retail applications, Norm also has institutional project experience at airports, hospitals, jails and prison complexes. Norm has also been heavily involved with energy project development, including energy studies, life-cycle cost analysis, utility rebate acquisition and performance measurement. Norm regularly provides mechanical system life-cycle renewal strategy and design criteria coordination as an Owner Advocate. More
Max Harshman
Max brings a unique blend of design, construction and commissioning experience to the project team. Max’s 20+ years of experience includes that he is a licensed Mechanical Engineer that has worked on projects in the role of Lead Engineer, Project Manager, Commissioning Agent, and Project Executive. He has also worked on a wide range of projects from Tier 3 Data Centers, to Hospitals to High Rise Buildings. Max’s deep understanding of the design, construction and commissioning process make him a valuable contributor during the conceptual design phase, where he believes it is critically important to listen to the customer to be able develop appropriate, creative options and educate the owner to be able to make the right decision. Max also understands the added value to a project to embed Energy-Smart Building fundamentals in any design or commissioning project to give the owner the greatest return on their investment. More
Art Smith
Art brings a diversified skillset to HVAC system design, operation and optimization. With over 18 years as a Trane Sales Engineer and Sales/Operations Manager, Art saw thousands of projects, systems and products. For the past 10 years, Art has focused on end-user advocacy while facilitating LEED Existing Building certification, leading comprehensive efficiency improvement projects and developing smart technologies. Art’s ability to identify, justify and implement varied strategies over a wide range of project type and size makes him a valuable contributor to any optimization effort. More
Trevor has unique experience with both the old- and new-schools of mechanical engineering. He has years of retro-commissioning and design review experience, in the traditional vein of mechanical designers & operators; he also has extensive experience with cutting-edge analytics, and has worked with high-tech companies pursuing machine learning solutions to technical problems, as a mechanical subject matter expert. He has extensive experience with Fault Detection & Diagnostics (FDD) algorithm creation and application, and has worked closely with industry leaders in smart-building integration and software development. He has advised numerous Fortune 500 corporations and governments – both domestic and foreign – on best practices and deployment strategies. More

Helping our Clients Achieve Their Goals

We innovate with the best technological solutions to challenging HVAC applications.


Career Opportunities

DB Engineering is a growing company and we always are interested in adding passionate and talented engineers. If you are interested in joining our team, please submit a cover letter and resume to

DB Engineering is an Equal Opportunity Employer.

No Recruiters or Agents Please


8509 154th Avenue NE, Suite 210
Redmond, WA 98052
(425) 785 6099

67 Jurong West Central 3, #07-06
Singapore 648333
+65 9078 1227