PMV-PPD Thermal Comfort Calculator

Calculate Predicted Mean Vote (PMV) and Predicted Percentage Dissatisfied (PPD) per ASHRAE 55.

Operative/dry-bulb temperature.
°F
Average radiant temperature of surfaces.
°F
Air movement speed.
FPM
Indoor relative humidity.
%

Results

Predicted Mean Vote-scale
Predicted Percentage Dissatisfied-%
Comfort Status-
References: ASHRAE Standard 55, Thermal Environmental Conditions for Human Occupancy