Who We Are:

Jeff Zelinski, PE
Jeff has over 30 years of Mechanical Engineering and Construction Experience in a wide range of building types and uses.
Education:
- United States Air Force Institute of Technology
- Bachelor of Science in Mechanical Engineering – University of Dayton
Certifications:
- State of Ohio Registered Professional Engineer
- ASHRAE Member

David Zelinski, PE
David is a young engineer with a passion for renewable energy systems. David has over 5 years of experience with HVAC and building energy systems.
Education:
- Bachelor of Science in Mechanical Engineering – University of Dayton
- Master of Science in Clean and Renewable Energy Engineering – University of Dayton
Certifications:
- State of Ohio Registered Professional Engineer
- ASHRAE Associate