Skip to main content
Form 100. Personal Income Tax Return 2023

9.8. Deduction for works to improve the energy efficiency of homes

  1. 9.8.1. Due to the reduction in demand for heating and cooling
  2. 9.8.2. For the works carried out to improve the consumption of non-renewable primary energy
  3. 9,8,3. For works carried out in buildings for predominantly residential use
  4. For more information: Virtual Income Assistant