An enhanced design of a solar greenhouse was simulated.
Phase change material was used for saving the solar unnecessarily wavelengths thermal energy.
Genetic algorithm optimization method was used for finding the design parameters of solar greenhouse.
Simulation results showed the remarkable results in the energy budget and the economic factors.
Results showed that there will be 62.4, 0.3, 11.4, 160.6, 27.7 and 17.6 $ saving in the cases a–f, respectively.