Ecobonus 70-75% Useful vademecum by ENEA (National Energy Efficiency Agency) for deductions of 70-75% for energy redevelopment interventions on common parts of condominiums, for expenses incurred from 2017, January 1st to 2021, December 31st. Two different types of redevelopment are: 70% deduction if they affect the building casing with an incidence greater than 25% of…