THERMAL COMFORT SUITE
PROFESSIONAL EDITION
Choose which input parameter you would like to vary:
°C
– °C step:
– m/s step:
– met   step:
– clo   step:
Mean radiant temperature °C
Air speed m/s
Clothing level clo
Metabolic rate met
%
PLEROMA Visual Comfort Suite

Parametric Thermal Comfort Envelope Ranges

Sensitivity Matrix Analysis across Changing Environmental & Personal Variables

OUTER SPAN
5.2 °C
Wider Occupant Span
INNER SPAN
3.1 °C
100% Intersecting Comfort
ACTIVE VARIABLE
Clothing
Parametric Sweep
⏱️

Comfort Center & Boundary Dial

Operating Range
-3 Cold -2 Cool -1 Sl. Cool 0 Neutral +1 Sl. Warm +2 Warm +3 Hot COMFORT RANGE [-0.5 to +0.5]
MID-RANGE COMFORT Comfort Neutral (0)
MID PMV 0.00
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Occupant Sensitivity Profile

Parametric State
😃
Comfort Envelope

Satisfied across tested span

Air Velocity 0.10 m/s
Humidity 50 %
Clothing 0.61 clo
Metabolic Rate 1.2 met
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Dynamic Comfort Temperature Envelope Span

Outer vs Inner Comfort Limits
Optimum
Lower Limit 100% Intersecting Comfort Range Upper Limit
📈

Classic Ranges Matrix Psychrometric Chart

Parametric Envelope
The selected comfort zone is for a value of of

Outer range of air temperatures: °C
Given the other four parameters, occupants will find thermal comfort in the wider range of temperatures ( to °c) if can change within the given range.

Inner range of air temperatures: °C
Given the other four parameters, this is the range of temperatures in which all the occupants will find thermal comfort, as long as the is within the given range. The inner range is zero if the comfort zones corresponding to the first and last conditions do not intersect.

When metabolic rate is above 1 met, the tool automatically adds the air speed generated by physical activity (e.g. walking) to the measured air speed, following ASHRAE 55.

Disable this if occupants are at elevated metabolic rates without generating air movement (e.g. exercising on stationary equipment).