In 2000 Collaboration with IAC, (Santo Domingo, Dominican Republic) We develop the Banco Mercantil brand language for their branches, based in inviting costumers to a visual approach perception from outside with high degree of walls transparency for creating trust and financial safety, about 15 branches was built; all branches design was developed following owner Programing, Sustainability Planning and Mitigation Tropical Climate. The building branch located in Gazcue Sto. Dgo. The photos shown the new owner moving on sustainability, basically a continuation of our original design concept, by adding solar panels system to better energy performances.