The double glass cover analysis of a solar box cooker has been implemented in an internal heat transfer using MoS-FeO-CrO nanomaterials. A nanocomposite material's essential role is its higher surface/volume ratio which agrees in small area size of a high ductility without strength loss and an enhanced optical property. The nanocomposite materials have an average particle size of 0.2 - 0.5 μm. Compared to the overall thermal energy efficiency of the solar cookers used, the samples with and without this study's modification are 56.21-31.77% and 33.90-24.90%. The design used nanomaterials' performance with and without coating materials achieved by the bar plate temperature of about 163.74 °C and 113.34 °C below solar radiation of 1037W/m. The simulation model is conducted on the fuzzy intelligent logic and Cramer's rules. It agreed with the experimental results by 91%.
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