How to save more hotel utilities?

Employees have good literacy and sense of responsibility, automatically cut off power when entering or leaving the room, and use more energy-saving lamps to keep people from turning off the lights. No one cares about water when washing clothes, and many hotels have it. For example, one hot water card per person, how much to use every day, it is best for each district to be managed and the responsibility to be implemented. Try it. It will help you.