Sustainable Mechanical Systems, LLC was born January 2016 by long-time business partners Dave Havelick and Greg Korkowski.  We're excited about the opportunity to expand SMS product offerings and serve the OR and SW Washington markets.

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dave havelick

Twenty-three years ago I moved to Portland after graduating from Iowa State University, launching my career as a sales engineer.

I've been lucky enough to be involved in projects including nearly every market sector: industrial, healthcare, higher education, mission critical, data centers, and campus wide directives.  It's exciting to see west coast HVAC design trends lead the country with innovation, sustainability, and energy efficiency. 

My passion has been developing and maintaining relationships before, during and after the sale.

“It’s the people” has never been more true.

I have 3 young boys and enjoy experiencing all that the Pacific Northwest has to offer: traveling, hiking, camping, fishing, boating, basketball, and golfing.

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greg korkowski

Born and raised in Minnesota, I graduated from the University of Minnesota with a BSEE in 1988, and joined the Trane Company the same year.

After completing the Trane Graduating Training Class, I worked as a marketing engineer in LaCrosse, WI and Clarksville, TN, where I provided technical support to the field sales offices, and developed the customer requirements for the large rooftop (Intellipak) control platform.

In 1990, I joined TraneOregon as a Sales Engineer and have spent the past 25 years working with engineers, contractors, and owners in Oregon and SW Washington.   Highlights include supplying heat recovery chillers for a variety of applications, and custom MAHs for high tech fabs.

My wife, Amy, is from Portland and a graduate from Lincoln HS, the University of California, Berkeley, and UCLA Business School.   After a successful career in finance, she raised twin boys – John and Michael, who will be off to high school next year.

In my free time, I enjoy golf, skiing, racquetball, camping, biking, travel, and cooking.

I like our dog, George;  I’m starting to like our puppy, Leon.

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Jimmy Moore

Growing up in North Carolina, I started windsurfing at the Outer Banks while attending NC State University.  After receiving my BS in mechanical engineering, I relocated to the other Windy City—Hood River, OR!

Two years later I moved to Portland, where I started my professional career with PAE Consulting Engineers, earning my Professional Engineering license in 2000.  I designed a variety of projects including PSU’s innovative Fourth Ave Engineering Building complete with open-loop geothermal wells, heat pump chillers, and Haakon custom air handlers. 

In 2003, I became a design-build contractor with Hunter-Davisson Inc. where I designed and estimated, among other things, variable refrigerant flow systems which ultimately led my career in sales. In 2013, I joined Johnson Barrow’s Oregon upstart with a focus on developing and promoting LG’s VRF technology.  Project highlights include the Metropolitan, Touchmark, Cornelius-Woodlark Building, Tri-Met Headquarters, and several Kaiser-Permanente buildings.

Non-work passions include family, skiing, golf, kite boarding, and mountain biking.

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Dolan Miles

I have been in the HVAC industry over 15 years and with SMS since January 2019.  I provides quote takeoffs, submittals and project management. While I completed my Certificate in Construction Management from University of Washington in 2018, I still maintain that I’m is a diehard Auburn Tiger. My hobbies include whatever sports my kids are participating in but if time permits hiking, traveling, and fishing.

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Douglas Behrend

Hailing from Newport, WA and having just completed a Mechanical Engineering degree at Washington State University in May 2019, I’m excited to start my journey in the HVAC industry. After work and on the weekends, I am steadily increasing my baking skills while weightlifting, rock climbing, and mountaineering to burn of the carbs.