Serving the Denver community for the past 50 years, Controlling Systems, Inc. is proud to be able to provide residential ductless mini split air conditioning services and commercial ductless mini split air conditioning services in Denver. With us, you will be able to know that you are putting your trust in a long-standing company for your mini split installation and mini split replacement needs, and we promise to be able to make sure that your brand-new ductless mini split AC unit will be working to its utmost potential! Call us today for a possible replacement and ductless mini split installation!