how to improve the thermal comfort in designbuilder

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i'm working in designbuilder to achieve the thermal comfort in this zone the cooling and heatinf setpoint are (24 and 20) the humidification set point is 50% the HVAC system is VRF cooling DAOS the fraich air in natural ventilation is 8,3 l/s-people those values are fixed and this is the results C:\fakepath\Capture.PNG is there any way to improve thoses results ? or any advices i need to know bcz i see that those results are somehow unrealistic,