For most businesses, one of the main reason for saving energy is financial, but there are many other reasons that managers should consider. Businesses should be aware of responsibility towards the social environment and the public. Saving energy and using it efficiently is the responsibility for each of us. Therefore direct consumption improves efficiency and rentability of undertaking industrial and public institutions. Saving energy does not mean lowering the efficiency of business processes or lowering the standard of living, but as an investment in better performance and a cleaner environment. Elen has the experience, knowledge and calculator on this subject to help you successfully with legal provisions and efficient use of lighting internal and external.