Luis Aragon has worked as the commissioning authority for code compliant buildings and for Passive House buildings. His responsibilities have included reviews of MEP design drawings, sequences of operation, controls packages, and post-occupancy performance analysis. Luis also provides training for multifamily building operators on hydronic heating and domestic hot water distribution. Furthermore, he has experience performing testing to ensure quality installation of building envelope (blower door test) and central ventilation systems (duct tightness test).