Meet the Team

Jerry Giese

Owner/Service Technician

Jerry graduated from NWTC in 1994 with an associates degree in HVAC studies. He entered a partnership to take over the former Chown/Peterson business to form GPS in 2006.

John Schramm


Before GPS, John worked at the saw mill for 15 years. Upon them closing the factory down, John began his career in HVAC 20 years ago and joined the partnership with Jerry to own GPS in 2006!

Randy Johnson

Service Technician

Randy has over 14 years of experience in the HVAC industry and he specializes in service and diagnosis.

Patrick O'Neill


Patrick began working in the HVAC industry in 2010 in the state of Utah. He has been a part of the team for the past 8 years. 

Steve Debriyn


Prior to working with GPS, Steve worked construction for 16 years. He has been a part of GPS for the past 11 years and specializes in installs.

Patrick Jacquart

Service Technician/Installer

Patrick started working in HVAC with us in 2016 and was quick to learn! He now specializes in installs and service issues.

Chandler Strahl


Chandler started working with GPS 3 years ago. He specializes in installs.

Reid DeLaurelle


Reid just joined the team here at GPS. He is currently studying for his degree in HVAC at NWTC in Marinette.

Julie Schmitz

Office Manager

Julie has been a part of the team for 5 years. She has an associates degree in secretarial. She has over 30 years of experience working in an office setting. 

Kaitie Sodergren

Marketing Manager

Kaitie has a BAS in entrepreneurship from Northern Michigan University and is currently studying for her MS in Marketing from the University of Illinois at Chicago.

Lilian Giese

Virtual Assistant

Liliy is the daughter of Gerald "Jerry" Giese. She helps us with all the scanning and digitalizing of our documents. She is a great asset to our team!

24 Hour Emergency Service Available

Call (715) 732-2111 Anytime
Contact Information

Address: 2600 Cleveland Avenue, Marinette, WI 54143

Office Hours

Monday: 8am-5pm

Tuesday: 8am-6pm

Wednesday: 8am-5pm

Thursday: 8am-6pm

Friday: 8am-5pm

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