Solar radiation falling on the surface of the Earth may be proven to be a major source of energy, which can be used to utilize various fields to maximize their efficiency and Output at optimum levels. Paper is also based on the Solar Radiation falling on the flat plate collector that is absorbed by the water flowing in the Copper tube Inside the collector. We try to optimize the uses of Solar Radiation for household purposes by perfect solar radiation intensity, which varies from a high radiation level at 597 W/m2 to a medium radiation level at 300 W/m2. In this range, we get maximum efficiency concerning solar radiation, on the other side at low radiation levels results are different. So the main aim of the experiments is to optimize the best utilization the solar radiation.