PURCHASE OF GOODS AND SERVICES THROUGH R.D.O. IN THE M.E.P.A. WITH INVITATIONS TO A LIMITED NUMBER OF ECONOMIC OPERATORS – CSE Notice. 2022 – Municipalities for Sustainability and Energy Efficiency - ENERGY EFFICIENCY SYSTEMS MUNICIPAL BUILDING MEETING ROOM IN MAIONE. CUP: H79I22001170001 LOTTO 3 HEAT PUMP SYSTEMS FOR AIR CONDITIONING AND RELATED SERVICES CIG 952079261A FINAL AWARD