The importance of building energy certification

Building Energy Certification is the document that assesses and rates the energy performance of a property, assigning a class between A+ and G.

In addition to the rating, the certificate includes concrete recommendations to improve energy efficiency and reduce consumption costs.

When is energy certification mandatory?

Since Decree-Law no. 118/2013 came into force, energy certification has been mandatory for:

• New buildings;
• Public buildings with an area equal to or greater than 250 m²;
• All properties being sold or rented.

This means any property placed on the market must present a valid Energy Certificate issued by qualified ADENE technicians.

How energy certification works

At Enbiente, we ensure a fast, rigorous and simple process:

1. Scheduling the technical visit;
2. Visiting the property and collecting data;
3. Technical analysis and calculation of the energy class;
4. Issuing the Energy Certificate.

What determines the energy class?

The energy class results from a combination of factors, including:

• Location and year of construction;
• Typology and useful area;
• Materials and insulation of walls, roofs and floors;
• Quality of glazing and frames;
• HVAC systems;
• Domestic hot-water production equipment.

The more efficient these elements are, the higher the rating and the lower the energy consumption.

Advantages of an updated energy certificate

• Legal compliance when selling or renting;
• Increased market value and property attractiveness;
• Access to financing programmes and incentives;
• Identification of improvement opportunities;
• Contribution to environmental sustainability.

How to request your energy certificate

Enbiente has qualified technicians to carry out your property’s energy certification, ensuring speed, transparency and legal compliance.