Ideal comfort

 

Temperature perceived is determined by the combination of actual temperature and relative humidity
The ratio of air humidity and temperature is proportional: the higher the temperature, the more air is capable of retaining steam. 

De’ Longhi has identified ideal comfort standards: the graph below highlights the standards that achieve such conditions.

difficult to sustain
ideal
sustainable

 

SeasonTemperatureRelative humidity
Winter 21°C ÷ 25°C 30% ÷ 75%
Spring 24°C ÷ 27°C 25% ÷ 55%