Specializing in Commercial, Institutional, Industrial Equipment At Industrial Refrigeration Services Inc.. We are refrigeration specialist in the commercial, institutional and industrial areas. We service all types of equipment. We have 24 hour emergency service and cover the entire Greater Des Moines area. We are also Ammonia Specialist. Cornell, F.E.S., Frick, Hanson, Hubbell, R/S, Viking and Vilter Please call us any time day or night for assistance in any of the problems or concerns you are having, we will be happy to solve those problems for you.