Our team is comprised of professional and technical personnel experienced in the construction and setup of high performance green buildings. Rollover the team member's photo for their Bio and contact info.

Andrew Bennett, Principal

Andrew Bennett, Principal

P.E., CCP

Andrew is a Professional Engineer and BCxA Certified Commissioning Professional. He graduated from the University of Iowa with his BS degree in Mechanical Engineering with an emphasis on Energy Systems and the Environment. Andrew works on both Commissioning and Retro-Commissioning projects, performing design reviews, site visits, functional testing, and trend data analysis. He also helps clients achieve LEED Certification for Existing Buildings.

Email: andrew.bennett@systemworksllc.com
Rick Boozell, Principal

Rick Boozell, Principal

CCP, LEED AP BD+C, TABB Certified Supervisor

Rick has over 24 years experience in the mechanical and control industry. He successfully completed the application and testing process administered by the Building Commissioning Association to become a Certified Commissioning Professional (CCP). Rick has obtained his LEED AP BD+C credential through the U.S. Green Building Council. He is also a Certified Commissioning Supervisor and a Certified Testing, Adjusting & Balancing Supervisor through the Testing, Adjusting and Balancing Bureau. In May of 2019, Rick also received his Infection Control Awareness Certificate and TABB Certified Fire and Smoke Damper Supervisor Certificate from the annual ICB/TABB Conference in Seattle, Washington. Rick brings a wealth of knowledge in commissioning, retro-commissioning, building automation systems and MEP systems for office buildings, universities, laboratories, and health care facilities.

Email: rick.boozell@systemworksllc.com
Dennis Beery

Dennis Beery

Senior Commissioning Technician

Dennis has over 35 years of experience as a Journeyman Electrician specializing in programming and installation of HVAC controls. As a Building Automation Project Manager, Dennis led the programming and commissioning of Century Links’ 10th and High complex in downtown Des Moines. Dennis has a deep understanding of electrical systems, and for the past twenty years his focus has been on electrical system installation and control integration. Dennis has is A.A.S. Degree in High Tech Electronics. Dennis is currently commisssioning Farm Bureau North & West Building Improvement, Iowa City Community School District West High School, Linn County Public Health, and several other area projects.

Email: dennis.beery@systemworksllc.com
Zach Bissell

Zach Bissell

TAB Technician

Zach is a TAB Technician. After high school, Zach spent time in the Army based in the US and working on a security detail in Afghanistan. He is currently an Apprentice with Local 45.

Email: zach.bissell@systemworksllc.com
Aaron Brace, CCP, BSE

Aaron Brace, CCP, BSE

Senior Commissioning Engineer

Aaron has over 14 years of work experience in different roles that include mechanical construction, engineering, and commissioning. He is an Iowa State engineering graduate and obtained his Certified Commissioning Professional certification through the BCxA. Aaron has extensive knowledge of various system designs and system controls. Aaron has lead both new building and existing building commissioning efforts for projects large and small. Project history includes campus utility plants, medical, laboratory, education, and mission critical. Project designs included chilled water, heating water, geothermal water, steam, variable refrigerant, and various air distribution systems including operating rooms and natatoriums.

Email: aaron.brace@systemworksllc.com
Garry Caldbeck

Garry Caldbeck

Adviser

Garry founded SystemWorks in 2003. He has over 42 years experience in the mechanical and control industry. Garry attended Grandview College and Des Moines Area Community College where he received an A.A. Degree in HVAC. He holds master licenses issued by the State of Iowa in the four disciplines of HVAC, Refrigeration, Plumbing and Hydronics. Garry is also a Certified Commissioning Supervisor and a Certified Testing, Adjusting & Balancing Supervisor through the Testing, Adjusting and Balancing Bureau.

Email: garry.caldbeck@systemworksllc.com
Lynn Cooke

Lynn Cooke

Commissioning Technician

Lynn has 35 years of experience as a Journeyman Electrician. His specialization is in HVAC control, automated machine control, card access and CCTV installation. Lynn has a deep understanding of mechanical and electrical systems, and for the past 27 years has installed HVAC controls. He gained field experience performing installation, and has also served as Project Manager and Estimator. As a BAS technician, Lynn interfaced between factory controllers, such as the MicroTech II/III, and all types of building automation systems through BACnet, ModBus, MS/TP and MS/IP. He has firsthand experience troubleshooting and tuning HVAC equipment to perform optimally.

Email: lynn.cooke@systemworksllc.com
Jordon Crouse

Jordon Crouse

Senior Commissioning Technician

Jordon has over 22 years of experience in the controls and HVAC industry. His experience comes from control system service, programming and function testing on a very large scale. Jordon prepares commissioning documentation, writes and performs function testing to verify installed sequences and programming meet design requirements.

Email: jordon.crouse@systemworksllc.com
Alex Downing

Alex Downing

TAB Technician

Email: alex.downing@systemworksllc.com
Darrell Frett

Darrell Frett

Building Enclosure Commissioning Provider

Darrell’s experience in the construction industry spans 40 years, starting as a carpenter and working up to becoming a licensed Architect in multiple states. Darrell graduated from Iowa State University with a Bachelor of Art in Architecture and a Master of Architecture, and has been licensed in Iowa, Wisconsin, and North Dakota for 25 years. Darrell joined SystemWorks after 21 years as an Associate Principal at a local architecture firm. As the firm Principal, Darrell lead at team of Architects and engineers throughout all areas of construction, including detail designing and commissioning of building envelopes. He served as Enclosure Coordinator, designing, detailing, and reviewing enclosures for all the major projects within that firm.

Email: darrell.frett@systemworksllc.com
Greg Hemmen

Greg Hemmen

Commissioning Agent

Greg brings over 25 years of experience in the construction industry to our Commissioning Team. Greg conducts quality assurance site visits and inspections on new construction and renovation projects. He inspects the work of multiple contractors for compliance with the specifications, drawings and code requirements and ensures the correction of deficiencies. As a Field Project Manager, Greg used a CAD-based project management technique to verify design, review shop drawings, procure job materials, and incorporate design changes in real time. Greg received his BS in Construction Engineering and MS in Civil Engineering from Iowa State University.

Email: greg.hemmen@systemworksllc.com
Bryan Hofpar

Bryan Hofpar

Commissioning Technician

Bryan has been working in construction and building operations and engineering since 2005. After service in the Marine Corps as an electrician, he pursued a career in the electrical/electronic field. He earned his Journeyman license in North Carolina and lead commercial electrical installation for a variety of projects including colleges, commercial buildings, high/middle and elementary schools, and data centers. Bryan is a graduate of East Carolina University with a BS in Industrial Technology. In 2010 he began working in building operations and engineering, first as a Building Operations Engineer at a large commercial building in North Carolina and most recently as a Critical Facilities Engineer for a local data center.

Email: bryan.hofpar@systemworksllc.com
Hunter Jesse

Hunter Jesse

Mechanical Engineering Co-op student

Hunter is a Mechanical Engineering Co-op student from Iowa State University. Hunter is assisting the team with Testing, Adjusting and Balancing as well as mechanical systems and building enclosure commissioning projects.

Email: hunter.jesse@systemworksllc.com
Karl Kaufman, AIA, PE, BECxP

Karl Kaufman, AIA, PE, BECxP

Building Enclosure Commissioning Provider

Karl’s interest in building enclosures grows from the belief that we can collectively improve the building’s overall performance and sustainability by focusing on the design and construction of the enclosure. He has provided education, design assistance, and analysis to colleagues both internal to the organizations he has been part of (e.g. 2004 presentation on Daylighting, 2013 presentation on NFPA 285) as well as the design community as a whole (e.g. AIA IA 2011 presentation on Hygrothermal Analysis, 2015 presentation to PCI on Commissioning and Energy Modeling). He has been a member of the National Institute of Building Sciences since 2012 and participated in the Building Enclosure Science and Technology symposiums since their start in the US in 2008.

Email: karl.kaufman@systemworksllc.com
Jake Lawson

Jake Lawson

TABB Certified Technician

Jake is a journeyman sheet metal worker and TABB Certified Technician. Jake brings seven years’ experience in the sheet metal field as well as a background in HVAC/R service and maintenance. Jake has worked on both pneumatic and DDC systems, and has a strong mechanical aptitude. Over his career, Jake has worked in some of Des Moines’ most well known buildings, fabricating duct work, setting up systems, and establishing pressure differentials for clean holds and isolation rooms. In addition to his Sheet Metal Apprenticeship Program, Jake attended Vatterott College and received his HVAC/R Maintenance Technician Certificate. In May of 2019, Jake also recieved his Infection Control Awareness Certificate from the annual ICB/TABB Conference in Seattle, Washington.

Email: jake.lawson@systemworksllc.com
Michael McGrady

Michael McGrady

TAB Technician

Email: michael.mcgrady@systemworksllc.com
Greg Ogle

Greg Ogle

Commissioning Technician

Greg has 40 years of experience in the building automation and HVAC temperature controls industry. Prior to joining SystemWorks, Greg worked for Johnson Controls where he focused primarily on existing building equipment retrofits and controls upgrades. Greg’s experience is not just technical. He has led large teams of technicians through challenging retro-fit projects, in buildings with HVAC systems of varying vintages and controls technologies. As a Mechanical Team Project Manager, Greg was responsible for several large projects with an ongoing annual budget in excess of $12M. Greg has experience managing the individual trades, and understands the sequence of construction necessary to have a successful BAS upgrade.

Email: greg.ogle@systemworksllc.com
Zack Valigosky, EIT, EMIT

Zack Valigosky, EIT, EMIT

Energy Engineer

Zack graduated from the University of Dayton with a Master of Science of Renewable and Clean Energy and has a Bachelor of Mechanical Engineering with an emphasis in Energy Systems. He has his Engineer-in-Training certification in and his Energy Manager-in-Training certification.. Zack joined SystemWorks in 2019 and collaborates with building owners and managers to perform retro-commissioning projects, energy analysis, and energy audits. Zack’s experience to date includes over 100 ASHRAE Level II energy assessments at commercial and industrial facilities.

Email: zack.valigosky@systemworksllc.com
John Vande Kamp

John Vande Kamp

TABB Certified Technician

John has over 18 years experience in the HVAC industry. He holds a journeyman HVAC license issued by the State of Iowa. John currently performs air and hydronic system testing as needed for our commissioning and facility analysis work. He is experienced with Phoenix lab control systems, preparation of commissioning plans, constructions checklists, functional performance tests, and site visit reports. John is a Testing, Adjusting and Balancing Bureau Certified TABB Technician.

Email: john.vandekamp@systemworksllc.com
Julie Porter

Julie Porter

Payroll & Accounting Specialist

Email: julie.porter@systemworksllc.com
Judy Rauschenberg

Judy Rauschenberg

Administrative Assistant

Email: judy.r@systemworksllc.com

 

TOP