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efour, PLLC greg koontz, p.e.

efour, PLLC™ was founded in July of 2005 to provide consulting mechanical engineering services, primarily to Energy Services Companies (ESCOs).

While my focus is on finding, developing, and implementing energy conservation opportunities in existing facilities, I also provide design, facility assessments, and energy/utility analysis services across a broad range of facility types.

I have worked across the US, as well as abroad, for 20 years. Most of the first 10 years were spent in a traditional consulting engineering/design role, while the last 10 years have been spent in ESCO work; conceiving, analyzing, developing and implementing energy conservation projects. During that time, I have focused on facility infrastructure; prime heating and cooling, utility distribution, heat recovery, thermal balance, and combined heat and power. These continue to be my areas of interest.

efour, PLLC™ is based in Seattle, Washington.

greg koontz, p.e.