IMPORTANT - This version of the tool (v2.0.0) complies with the ASHRAE 55 2017 Standard. This version is no longer supported and may contain errors that have been fixed in newer releases. Please visit the CHANGELOG page to find out more.

CBE Thermal Comfort Tool for ASHRAE-55
Compare comfort conditions
Air temperature
°C
Mean radiant temperature
°C  
Air speed
m/s
Relative humidity
%
Metabolic rate
met
Clothing level
clo
#1
Compliance
PMV -0.21
PPD 6 %
Sensation Neutral
SET 24.5 °C  
tdb°Crh%Wagw/kgdatwb°Ctdp°ChkJ/kg0.00.00.00.00.00.01012141618202224262830323436Operative Temperature [°C]50556065707580859095Operative Temperature [°F]051015202530Humidity Ratio [gw / kgda]