It will only work when you are at home and keep the temperature at the level you need. An extra degree above the required one - tens of dollars a year.
Lighting
The motion sensor turns off the light itself where it was forgotten about.
Other appliances
It's easy to run the washing machine or dishwasher overnight so that they work during the cheaper fare.
Blinds
Close the curtains completely or partially at the peak of solar activity to lower the temperature in the apartment without turning on the air conditioner.
Sockets
Appliances consume electricity even when it is turned off. It seems that a little, but a decent amount is going to be collected in a year. Let it turn off completely when you are not at home.
Why you need this?
Money
Who doesn't like money?
Ecology
Excess energy consumption is unnecessary pollution of the city you live in.
MoneyWho doesn't like money?
EcologyExcess energy consumption is unnecessary pollution of the city you live in.