- Schedule – Turn off air conditioning, open 11:30 am to 9:00 pm, closed 13:00 pm, closed after the opening half-hour.
- The air temperature is between 25-27 degrees Celsius.
3. Change air conditioning older the age is 20 years.
4. Install the light curtain fine in the office help filter sunlight. , Make the room light, Reducing the strain on air conditioning.