For office space which using multiple unit of air conditioners; remember to turn off partial of the air conditioners if there is only small number of staff on duty.
Regular servicing and replacing a dirty, clogged filter with a clean one can lower your air conditioner’s energy consumption by 5% to 15%, thus saving you money.
Run your air conditioner for at least an hour before you go to bed and you can switch on the fan after it has cooled the room. The cold air that has filled the room is enough to give you a comfortable sleep.
You can also set the timer of your air conditioning unit to turn off earlier than usual (at least 30 minutes than usual is enough to give big savings). The room will still remain cool for a period of time even if the unit has turned off.
The air conditioner always consumes 15~35 watts of electricity even while it is not operating. If you are not going to use the air conditioner for a long period, i.e. cool season or holidays, turn the “OFF” the power switch / isolator.
Close curtains or blinds during the hottest time in the day or use window film that can effectively block sun’s rays to keep the room and the entire house cool. You don’t need to wait for a longer time before the entire room gets cold when you turned on your air conditioner.