Through the implementation of this Action Line, the City of San Sebastián de los Reyes will advance towards the low carbon economy, improving the efficiency of the air conditioning systems of several public buildings of municipal ownership._x000D_ — Concrete activities:_x000D_ The air conditioning systems (calderas) of public buildings and schools (Children’s and Primary Education Centers — CEIPs) will be replaced. In particular, four municipally owned buildings and seven CEIPs will be operated.