TermoK8^® is the most effective solution to guarantee compliance with the energy standards, the right and duty of citizens and consumers. Assessing the consumption class of an electrical appliance or the euro parameter of a new car has become common practice at the moment of purchase: classification of the energy efficiency level of a building is set to become a similar criterion of comparative choice. A criterion which is not translated only into an idea of the environmental impact and of energy savings associated with consumption, but into the value of the building itself and its future value at the moment of resale.