Does your washing machine malfunction? Is the coffee maker showing signs of weakness? Or is your vacuum cleaner making a funny noise? These malfunctions may be linked to poor maintenance. A figure says a lot about the need to take good care of your household appliances: “One out of two breakdowns could be avoided if regular maintenance was carried out”, says Régis Koenig, director of the services and sustainability offer at Fnac Darty. These are often simple to do, inexpensive, but can extend the life of your devices. Here are some tips for European Sustainable Development Week, which runs until 8 October.