Meet Our Team

John Kratz
Construction Foreman
John is our Foreman and oversees all aspects of new construction.
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Evan Hansen
HVAC Technician
I pride myself on being a one stop shop that is able to meet all of my client’s needs. My goal is to provide the highest quality design and installation services, on schedule, and on budget along with outstanding customer service. I understand that time and cost are crucial and I strive to go above and beyond my client’s expectations.
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Briana Hoppe
Office Assistant
Service Administrator, handling Allstar customer service for 2 years. Briana’s goal is to support Allstar HVAC experts in all manners to ensure best costumer service and office management. Fielding service calls, scheduling new appointments and answering to any of your requests.
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Gregg Ludtke
HVAC Technician
Gregg has 39 years of experience in the HVAC service industry. He began his career in 1980 and his been with Allstar since 2003. Gregg’s ability to adapt to rapidly changing environments, proves him to be an ideal service technician.
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Tim VanRiper
HVAC & Plumbing Technician
Tim is a highly qualified HVAC service technician and plumber. He is an expert to effectively diagnose and repair/replace malfunctioning HVAC equipment. When having a problem with HVAC or plumbing, Tim is here to to diagnose and solve the problem.
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Karri Ruprecht
Office Manager
Office manager, payroll, customer service.For over 10 years Karri has been handling Allstar customer service and managing our office, her goal is to keep things running smooth and to assist Allstar HVAC experts in all manners to ensure best costumer service and office management.