There is a general drive in society to be more efficient with and reduce our use of electricity, and as part of that to utilise other available energy sources. Though it is still in the early utilisation phase this demonstrator is testing an additional way to use a district heating network in the operation of certain household appliances (white goods) and in so doing reduce electricity demand and related carbon emissions. This is achieved by replacing the vast majority of the electricity used to operate household appliances with energy in the form of hot water.
Dish washers, washing machines and dryers now use electricity both for running the moving parts in the machines and for heating the water and air used in them. These new machines use the heat provided by the district heating systems to meet the heating demands in the machines and then only use electricity for the engines and for rare peak heat demand situations.
In countries where there is a great amount of sunshine, the hot water for heating purposes could also be heated by solar thermal panels.
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