The Sorell Hotel Ador in Bern has been a pioneer in the field of sustainability and CO2 reduction. To ensure a sustainable operation, the Hotel only works with certified contractors, suppliers, and products. Energy saving measures include the installation of a new air conditioning system for all guest rooms, LED lighting fixtures throughout the property, and the connection to district heating, provided by the city of Bern. Socio-cultural initiatives include the creation of rooms, fit for people suffering from allergies. Green Globe Certified.