Duct Work

Our Team

Our team includes LEED® and Certified Building Commissioning (CBCP & CxA) accredited professionals. We have engineers licensed in 48 states.

Meet the professional engineers, designers, drafters and staff who can turn your vision into a reality.


Dwayne Vaughn

Dwayne Vaughn, P.E.

Principal / Mechanical Engineer
Phil Voegeli

Phil Voegeli, P.E.

Principal / Electrical Engineer
David Ahlstedt

David Ahlstedt, P.E.

Mechanical Engineer
Jim Decker

Jim Decker, P.E

Mechanical Engineer
Sean Miller

Sean Miller, P.E.

Mechanical / Energy Engineer
Drew Rose

Drew Rose, P.E.

Electrical Engineer
Bary Voegeli

Bart Voegeli, P.E.

Electrical Engineer
Gary Stefan

Gary Stefan, C.E.T.

Certified Engineering Technician
Morgan Heldstab

Morgan Heldstab, E.I.T

Electrical Designer
Joey Hrenchir

Joey Hrenchir, E.I.T.

Mechanical Designer
Austin Shafer

Austin Shafer

Mechanical Designer
Chris Sele

Chris Sele, CxA

Mechanical Designer / Commissioning Agent

Manny Villarreal-Barboza

Electrical Designer
Michelle Wheeler

Michelle Wheeler

Mechanical Designer
Cory Krier

Cory Krier

Electrical Drafter
Natalie Stearns

Natalie Stearns

Mechanical Drafter
Heather Rael

Heather Rael

Office Manager