When solar radiation is high, the temperature of the solar panels were higher as well. The area under the solar panel The flow of air under the top panel causes the accumulation of heat, making the south side panel has a temperature higher than the top panel. The top panel is higher than the temperature of the panel, resulting in a decrease in the efficiency of solar panels. This research aims to study the optimization of photovoltaic three types of single crystalline solar cells and thin-film polycrystalline alloys. Use exhaust fans in climate forcing for cooling.