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
Choose which input parameter you would like to vary:
°C step:
m/s step:
met   step:
clo   step:
Mean radiant temperature °C
Air speed m/s
Clothing level clo
Metabolic rate met
The selected comfort zone is for a value of of