EcosimPro 3.2 and the ECLSS applications were presented on July 14th, 15th and 16th at the 33rd International Conference on Environmental Systems (ICES). Engineers from ESA, Astrium, NASA, Boeing, Lockheed Martin, etc. attended this annual conference on environmental control engineering of the International Space Station (ISS). An overview of the main environmental control applications for the ISS produced by several European companies (Astrium, Alenia, ESA,…) was presented.