On peut économiser beaucoup d'énergie avec le chauffage urbain, parce qu'une seule chaudière permettrait de chauffer les habitations de dix, vingt, cent, mille personnes.
It also covers all forms of energy saving such as district heating in cities – something I hope for warmly, the right word in the circumstances. In fact, a lot of energy can be saved with district heating, because a single boiler can heat the homes of ten, twenty, a hundred, a thousand city dwellers.