Division 23 Mechanical Services (Division 23) is a full service heating, ventilation, and air conditioning company. We provide start up, service and repair of all types and sizes of commercial and industrial systems. Division 23 specializes in large tonnage chiller repair, maintenance and service contracts. We service scroll, rotary screw, centrifugal, and absorption chillers made by all major manufacturers.


Division 23 is well positioned to handle all of your HVAC needs. Employees include highly qualified Pipefitters, HVAC Technicians, Project Managers, Apprentices, and a highly motivated team of Administrative Personnel. 


As reflected by our high percentage of return business, Division 23 has been providing the highest quality of service to clients in the Upper Midwest. This continued success attests to the quality, capability, and consistency of our work, and our customers know their projects are in the hands of one of the most respected contractors in the area. 


Our goal at Division 23 Mechanical Services is to provide you with highly trained service technicians, superior customer service and competitive pricing. We sincerely thank you for your interest in Division 23 Mechanical Services.