FAQ

Which constituent layers should be taken into consideration for calculation of the Ienv and Iprim indicators?
What construction elements of a residential building are taken into consideration for calculation of the Ienv and Iprim indicators?
When is the LENOZ certification issued?
When do you not need an energy performance certificate?
When do you need an energy performance certificate?
Why is the energy performance certificate compulsory?
What is an EPC?
Can insulated walls breathe?
Do insulated exterior walls become covered with algae?