Abstract:
The study aims to investigate energy use and propose investment which provide more efficient energy consumption for selected schools. The case study approach is employed. Two schools with different needs and locations are selected for the study. First school, situated in Bangkok, uses air conditioning in all classrooms and also in the student dormitory. The second school, situated in Lopburi, does not use air conditioning in classrooms, and operates as a day school only. Energy consumption data is collected in three areas: lighting system, air conditioning system, and electrical outlet system. The financial investment evaluation of three alternatives including change LED light bulbs, change to air inverter system, and solar energy, is conducted. It was found that for the first school with most of the energy is used for air conditioning system should invest in the more efficient air conditioning system such as air inverter type. But for the second school, the energy is used during the day. The space for the solar panel is also available. It is suggested that the second school should use the alternative energy such as solar power.