IRS (IMS) is a turnkey Refrigeration, HVAC, & Electrical contractor, fully licensed and insured. We have a proven record of superior performance for both commercial and industrial projects. Our personnel have the expertise to handle everything from the design stage of your Refrigeration, HVAC, or Electrical, project to trouble shooting any small problem that you might have. We provide HVAC & Electrical services in Central Iowa and provide Refrigeration services in Iowa and surrounding states.