João Raposo is Thermal Engineer. Qualified Expert for Energy Certification, Certified Measurement and Certification Professional, he is dedicated to energy efficiency and sustainability, with more than 30 years of experience in these and related fields. As Technical Manager of Âmago-Energia Inteligente, he implements innovative and comprehensive solutions for energy efficiency and maintenance of buildings in general and in hotel and tourism businesses in particular. ESCO or Energy Service Company techniques of operation and management can be as much 60% cost efficient. It owns and develops GEMAX and MMS or Maintenance Management Softwares developed specifically for hotel establishments.