Manufacturers have developed Product/Service-Systems (PSS) strategies to increase their competitiveness and reach objectives of profitability, satisfying customer’s specific and evolving needs as well as environmental needs in term of grasp reduction and pollution decrease. Despite, the announced success of such a strategy, industrialists fears that the strategy will not give the expected results. To avoid unsustainable developments and reach product-service systems features, manufacturers are looking forward methods and tools that can help them predicting an a priori level of performance of the whole system they intend to design in terms of sustainability, use, profit, etc. Precisely, we aim at proposing a demonstrator able to support decision in the design of new sustainable and eco-efficient product-service system.