Address: Rotunda Engº Edgar Cardoso 23 - 12ºC, , Vila Nova de Gaia, Portugal

Energy certification in residential buildings:

Energy certification aims to "tabulate" (from A + to G) every building or fraction and inform owners, buyers or renters about their energy efficiency And energy consumptions expected in their current use by means of an energy certificate.

Energy Certification in Buildings of Services:
In addition to energy efficiency, it is intended to assure users that the building or fraction meets conditions that guarantee the adequate quality of indoor air.

When do I need the Energy Certification and an Energy Certificate?
1- When you have the approved architecture project and you need the thermal design, as well as the respective Declaration of Regulatory Compliance, Which will be issued by ADENE, in order to complete the process of the process in the City Hall and lift the construction / expansion / remodeling license.
2- When your work is finished and you need the Certificate of Energy Performance and Indoor Air Quality , Which will be issued by ADENE, in order to be able to lift its license to use your property.


When you want to sell or rent your property, you must present the energy certificate to the buyer or tenant. The Certificate of Energy Performance and Indoor Air Quality, of your property, is out of date.