Open Electronic Procedure, Pursuant To Art. 71, Of Legislative Decree 36/2023, For The Assignment Of The Central Thermal / Conditioning / Third Party Conduction Service / Third Party Manager Of The Exercise And Conduct Of The Plants And Service Maintenance Thermal And Hydricosanitarian Systems, At Municipal Properties, For The Period From 15.10.2025 To 15.10.2028, Completed Via The Sintel Of Aria S.P.A. With The Criterion Of The Offer On The Basis Of The Lowest Price And Procedural Reversal.