“…Moreover, a survey of residential-energy consumption in the eastern province of Saudi Arabia indicates that about 75% of the electrical energy consumption was used for space cooling [5]. The Saudi Electricity Company is facing a shortage of electricity during the summer period mainly due to the high usage of electricity in the air conditioning sector [6]. Additionally, the increasing demand for electrical energy in the rapidly expanding towns, cities and industries, greatly exceeds the growth rate of power being made available.…”