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[EnergyPlus_Support] Thermal Comfort modelling



Dear all,
After trying all variations possible, the FangerPMVs and PPDs show very large deviation from average, for example: for one office space, PMVs vary from around 0 to 4.8 and average is 2.4 around the year (values are measured at times HVAC is running only). This corresponds to:
activity level of 157.5 and 
clothing of 1.025 and 
air velocity of 0.005, 
boilers and chillers are autosized (for other experiments I put real sizes which also returned largely ranging PMVs), 
MRT type is ZoneAveraged,
Sensible Heat Fraction is set to autocalculate, 
Fraction Radiant is 0.3 and 
people density is 25.54 m2/person.
 
Please advise, how to get these PMVs inside +-0.5 or +-0.7 range for 98% of year.

Thanks in advance.

Hisham.



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