Dear Surya, In addition to the necessary HVAC system settings, I think that you need is two class list in you IDF file, the "run period" and “output:variable”. The outputs may be in energy (J) or rate (W). For example: !- =========== ALL OBJECTS IN CLASS: RUNPERIOD =========== RunPeriod, SpecificDay, !- Name 1, !- Begin Month 17, !- Begin Day of Month 1, !- End Month 17, !- End Day of Month UseWeatherFile, !- Day of Week for Start Day No, !- Use Weather File Holidays and Special Days No, !- Use Weather File Daylight Saving Period Yes, !- Apply Weekend Holiday Rule Yes, !- Use Weather File Rain Indicators Yes, !- Use Weather File Snow Indicators 1; !- Number of Times Runperiod to be Repeated !- =========== ALL OBJECTS IN CLASS: OUTPUT:VARIABLE =========== Output:Variable, *, !- Key Value Zone Air System Sensible Cooling Energy, !- Variable Name Hourly; !- Reporting Frequency Output:Variable, *, !- Key Value Zone Air System Sensible Cooling Rate, !- Variable Name Hourly; !- Reporting Frequency Best regards, Carlos Krebs LEED® Accredited Professional Auditor Interno ISO 14.001 Consultor de Eficiência Energética em Edificações
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