Abstract
Product-Service Systems (PSS) intend satisfy consumer needs by supplying a service
instead of the purchase of the product. It has consequences in the final cost for the
consumer and in the environmental impact produced in the products/services life cycle.
The present study analyzes how to evaluate the eco-efficiency of a PSS, being this
understood as the ratio between the environmental impact and the total cost of a
product or service during its entire life cycle, with the objective of comparing if the
introduction of a PSS represents an improvement in relation to the product replaced.
The application case of washing clothes has been analyzed taking into account the
electric washing machine purchase for domestic use and two different PSS scenarios.
