4 niveaux de certification et tous les hotels Holiday Inn doivent être minimum niveau 1.
Level 1 hotels have completed ten best practice solutions that set them up for success and support them through activities that provide immediate energy and costs savings. This includes actions such as tracking consumption data, setting up a property green team and installing energy efficient lighting in guest rooms.
Level 2 hotels have really begun to see the benefits of sustainability on property, and have taken steps to go above and beyond the basics and implement solutions such as sustainable purchasing and ingraining sustainability into the hotel operations.
Level 3 hotels have mastered the foundations of sustainability, and are embarking on large projects, such as installing energy efficient appliances and sustainable site management.
Level 4 hotels are leading hotels in the environmental sustainability area. They demonstrate leading and innovative approaches to being sustainable.