Who We Are

At Division 23, the customer always comes first. We will match our resources with your unique needs to complete your start-up, service, or repair as efficiently and as affordably as possible.





Serving the Commercial and Industrial HVAC needs of the Upper Midwest with startup, service, preventative maintenance, and warranty repair. We specialize in a variety of product lines.


Our Work

Division 23 is about problem solving. Read about our latest installations. (Or some such copy.)


Due to age and failing OEM controls, Division 23 retrofitted this 19D*** Carrier chiller with MCS Magnum controls. The MCS controls took over complete operation of the chiller, starter, purifier purge, chilled water pump, condenser water pump and cooling tower fan.