Energy Retrofit Intervention on a Condominium Building

The human activity unequivocally influence the current warming trend of atmosphere, ocean and land. Since 1750, the Green House Gasses concentration continually increases, mainly due to the utilization of fossil fuels, reaching annual average values of 410 ppm for carbon dioxide (CO2) in the last years. For this reason, since the Kyoto protocol in 1997, the governments around the world have embarked on a path with the aim of reducing polluting emissions caused by the use of fossil sources. Some years later, with the Paris agreement, they set a goal on limiting the temperature rise well below to 2°C with respect to the preindustrial levels, improve the energy efficiency of the processes and technologies and increase the penetration of renewable energies. Furthermore, with the European Climate Law entered into force on 29 July 2021, the intermediate goal of reduce the emissions of GHG at least of 55% by 2030 with respect to the levels of 1990 and the Net Zero Emission by 2050 has set. With the increase of population, of the living standards and urbanization, the global energy demand continues to grow, making necessary the adoption of more efficient technologies and the use of renewable energy resources in all the sectors like industry, transport, buildings in order to achieve all the sustainable goals set. The building sector is responsible for the 40% of the energy consumption and 36% of the CO2 emissions in the EU. A third of the buildings are over 50 years old and the 75% of them are energy inefficient. Therefore, the retrofit of buildings is taking on a very important role to reduce the energy demand using insulating materials or more efficient technologies for the production of heat, such as heat pumps and condensing boiler. In Italy, to help the energy requalification of buildings and to help businesses and citizens to deal with the economic crisis, some tax incentives have been activated. One of these is the “Superbonus 110%”. This thesis deals with an energy redevelopment of a 1960s condominium located in the province of Savona thanks to the adoption of this tax incentive. After a first introductory chapter on the climate crisis, a description of the various bonuses in force in Italy will be provided. The following chapter will deal with the building as it stands, followed by a chapter describing the interventions and the improvements. This work was carried out in collaboration with O.C.Clim S.r.l., a company that deals with the installation and maintenance of air conditioning systems and now it works also on Superbonus 110%.