The overall objective of the project is to promote energy efficiency and reduce greenhouse gas emissions by investing in multifamily homes in the city of Răcari, Dâmboviţa County, in the next 5 years. The expected outputs of the investment are as follows: 1. Reducing energy consumption and costs Thermal insulation of walls, replacement of exterior joinery, replacement of lighting with LED luminaires on common spaces and the provision of a photovoltaic system to produce the electricity needed for lighting in common spaces will lead to a significant reduction in heat losses and lower energy costs for tenants. 2. By reducing energy consumption for heating and cooling, the associated CO2 emissions are reduced, thereby contributing to local and national environmental objectives. 3. Increasing the comfort of the occupants A more constant temperature in the dwellings, regardless of d