Our Company





In 1973, Ron and Bonnie Mancl moved to Wisconsin Rapids to start Ron’s Refrigeration & Air Conditioning, Inc. At that time, Ron was alone running service, bidding projects and building a customer base. Bonnie took care of the office and kept the books. Today, Ron’s Refrigeration employs over 30 people and provides engineering, service and installation to customers throughout the state of Wisconsin. As you browse our website, you will see how Ron’s Refrigeration has grown into a multi-faceted mechanical contractor. But with our growth, we have maintained Ron’s Refrigeration’s constant focus on service to our customers. We strive to make every interaction with our customers a positive experience for them.

No matter how large or small your system is, Ron’s Refrigeration places its number one priority on timely, efficient maintenance and repair of your equipment.

And when we say 24 hour on-call service we mean it. We have at least two trained service technicians scheduled for after hours availability. Call us any time at 1-800-236-0005. It doesn’t matter if it’s July 4th or Christmas Eve, our service technicians will be available for you.

We are proud to say we are first and foremost a Wisconsin service company and a member of the CoolSys family of brands. CoolSys is the parent company of marketing-leading refrigeration, HVAC and energy-optimization businesses across North America, and is dedicated to providing premier solutions and superior quality to its customers with best-in-class service, technology and exceptional value. This ensures our customers have access to the most advanced technology and resources while still receiving friendly, local customer service from experts that understand the Wisconsin market. Visit website, www.CoolSys.com, to learn more about our parent company.

Our service technicians are very dedicated to their careers and our customers. Whether you need service for your home furnace, supermarket refrigeration or potato storage, call Ron’s Refrigeration, ANY TIME!

Meet Our Team!


Ronald F. Mancl – Board of Directors and Founderpersonnel_ron

Ron has been in the refrigeration and air conditioning business since 1958. He and Bonnie moved to the Wisconsin Rapids area and started Ron’s Refrigeration & Air Conditioning, Inc. in May of 1973. Ron has designed, serviced and installed all types of refrigeration, air conditioning and vegetable storage mechanical systems. He has worked also with our ammonia refrigeration and vegetable grower customers. Ron continues to support all area of management and service at Ron’s Refrigeration & Air Conditioning, Inc.


Bonnie L. Mancl – Board of Directors and Founderpersonnel_bonnie

Bonnie started the business with Ron in 1973. Over the years Bonnie has managed accounts payable, accounts receivable, payroll, human resources and service dispatch. She continues to support and work with all areas of the office management.



Timothy J. Mancl – Presidentpersonnel_tim

Tim joined Ron’s Refrigeration & Air Conditioning, Inc. in 1987 and offers more than 30 years of engineering experience. Tim has a Bachelor of Science degree in Mechanical Engineer from UW-Madison. He is a license Professional Engineer and a licensed Designer of Heating Ventilation and Air Conditioning Systems in the state of Wisconsin. He is a member of the American Society of Heating, Refrigeration and Air Conditioning Engineers. Tim manages the Service and HVAC divisions of the company. Tim manages the operations of the Service and HVAC divisions of the company.


Eugene P. Mancl – Vice Presidentpersonnel_eugene

Eugene is a State of Wisconsin Master Electrician and holds AA degrees from NTC – Wausau and FVT- Appleton, Wisconsin. He is a member of the Instrumentation Society of America and the Wisconsin Potato and Vegetable Grower’s Association Research Advisory Committee. Eugene is responsible for our potato and vegetable growers operations which includes computerized storage system, refrigeration, ozone generation and chemical applications.


Tammy J. Salewski – Vice Presidentpersonnel_tammy

Tammy joined Ron’s Refrigeration & Air Conditioning, Inc. in 2000 and has more than 25 years of office management experience. She manages our service dispatch coordinating the schedules of our service technicians. She also manages all office operations and staff to include payroll, benefits, accounts receivable, accounts payable and human resources.



Richard Bulin – Project Engineer/Salespersonnel_rich

Rich joined Ron’s Refrigeration & Air Conditioning, Inc. in 1993. Rich is a licensed Designer of Heating, Ventilation and Air Conditioning systems. He has over 30 years in the HVAC business and has engineered and managed all sizes of heating and cooling project.



Todd Wierzba – Residential Sales Consultantpersonnel_todd

Todd Wierzba has joined out team as a residential sales consultant. Todd has more than 14 years in the HVAC industry. Todd is located at our Stevens Point branch.