16
Make sure that the doors and windows are shut.
Otherwise, cooling and heating performance will
be reduced and electricity cost is wasted.
Keep blinds or curtains closed. Do not let sun-
shine enter the room directly. About 5% of
electricity cost can be saved.
Proper airflow direction adjustment. Set the air-
flow direction louvers horizontal for Cooling
Operation and downwards for Heating Opera-
tion. Operation result will be better.
Use insulating material for better performance.
Use insulating material during construction or
renovations. It will save electricity cost.
