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Heat Discomfort Zones

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Heat Discomfort Zones
TemperatureMaximum Recommended Work Load
Relative Humidity (%)
oFoC30406080
80 27 Very Heavy Very Heavy Very Heavy Heavy
90 32 Very Heavy Heavy Moderate Light
100 38 Heavy Moderate Light Not recommended
110 43 Moderate Light Not recommended Not recommended
120 49 Light Not recommended Not recommended Not recommended
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Related Topics

Physiology

Human physiology, air quality and comfort temperatures, activity and metabolic rates, health effects of carbon monoxide and more.

Related Documents

Clo - Clothing and Thermal Insulation

Clo is used as a measure of clothes thermal insulation.

Discomfort Index

Comfort vs. dry bulb, wet bulb and dew point temperature.

Heat Index

Equivalent heat index vs. air temperature and relative humidity - in degrees Fahrenheit and Celsius.

Heat Index vs. Humidity

The influence of humidity on the apparent temperature and the heat index.

Human Effort Levels - Energy and Heart Rates

Human work effort levels vs. energy expenditure and associated heart rates.

Human Heat Gain

Heat gain from persons in air conditioned spaces - in btu/hr.

Metabolic Heat Gain from Persons

Human metabolic heat gain in air conditioned rooms.

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