Stephen Hamstra, P.E., AEE Fellow, ASHRAE HBDP, CGD in

Stephen Hamstra, P.E., AEE Fellow, ASHRAE HBDP, CGD

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Ground-Source Heat Pump Educator at ASHRAE
📍 Hamilton, Michigan, United States

Stephen is a distinguished Chief Engineer and industry thought-leader with over 40 years of experience in high-performance building design, specializing in geothermal systems. An ASHRAE award winner and AEE Fellow, he holds multiple patents and earned his Bachelor of Science in Mechanical Engineering from Michigan State University. People describe him as passionate about carbon-neutral design.

His lifelong passion for renewable energy began in high school, where he built concentrating solar collectors. Stephen grew up in his familys HVAC business, which was an early adopter of ground-source heat pump systems in the 1970s. He has also guest-hosted a podcast for his church.

Interesting fact: Stephen holds patents for a "Super-hybrid Heat Pump System" and a system for optimizing building heating and cooling systems.

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Experience
5 Years
Current Role
Ground-Source Heat Pump Educator
Location
Hamilton, Michigan, United States
Personality Overview

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Communication Style
Decision Approach
Work Preference

Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.

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Priorities

Topics Stephen cares about

Geothermal Heat Pumps
A core focus for over 40 years, from early adoption in his family's business to designing large-scale systems and chairing ASHRAE's technical committee on the topic.
Data Center Cooling
His recent social media activity shows a strong interest in sustainable cooling for data centers, including liquid cooling and harnessing waste heat.
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Career

Work history

5-2024
Ground-Source Heat Pump Educator
ASHRAE
7-2023
Chief Engineer
Genesys Geothermal
3-2020
Member
The GreyEdge Group
5-2021
Member - Polymodel Heat Pump Product Development Team
NexTEMP Solutions
3-2021
Advisor
Cascara Energy
In the press

Media appearances

A Heat Pumps Role in the Fourth Industrial Revolution. Featured in ASHRAE
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ASHRAE Journal Podcast Episode 14. Featured in ASHRAE Journal Podcast
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Education
1977 - 1981
Bachelor of Science
Michigan State University
1974 - 1977
HS Diploma
Holland High School
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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