DEC - Display Energy Certificates

According to the European Union Directive 2002/91/EC and subsequent releases, ESA engineering is able to issue the Display Energy Certificates (mandatory for most buildings) compliant with local rules and regulations.

DECs are designed to promote the improvement of a building’s energy performance. They are based upon actual energy consumption of a building and increase transparency in terms of the energy efficiency of public and private buildings.


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Principles of sustainability can be applied to building, design and operations.
Sustainability Consulting means a collection of policies and strategies that can help you save energy, obtain efficient designs, minimize the environmental impact on future generations, and reduce the consumption of scarce natural resources to maintain their availability in the future.