Room temperature

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Mercury-in-glass thermometer for measurement of room temperature.

Room temperature is a colloquial expression for the typical or preferred indoor (climate-controlled) temperature to which people are generally accustomed. It represents the small range of temperatures at which the air feels neither hot nor cold, often approximated at 20°C or 70°F. In more rigorous scientific contexts it may denote the range between 20 and 23.5 °C (68.0 and 74.3 °F) with an average of 21 °C (70 °F).

Comfort levels[edit]

According to the West Midlands Public Health Observatory (UK),[1] an adequate level of warmth for older people (aged 58 and above) is 21 °C (70 °F) in the living room, and 18 °C (64 °F) in other occupied rooms. 24 °C (75 °F) is stated as the maximum comfortable room temperature.[2]

Owing to variations in humidity and likely clothing, recommendations for summer and winter may vary; one for summer is 23 °C (73 °F) to 24 °C (75 °F), with that for winter being 20 °C (68 °F) to 23 °C (73 °F).[3] Although by other considerations the maximum should be below 24 °C (75 °F) – for sick building syndrome avoidance, below 22 °C (72 °F).[citation needed]

Ambient versus room temperature[edit]

Room temperature implies a temperature inside a temperature-controlled building. Ambient temperature simply means "the temperature of the surroundings" and will be the same as room temperature indoors. In many languages, such as Spanish, Portuguese and Italian, there is an expression for ambient temperature, but no distinct translation for room temperature.[4]

See also[edit]

References[edit]

  1. ^ Hartley, Anne (1 March 2006). "Fuel Poverty". West Midlands Public Health Observatory. Birmingham, UK: West Midlands Public Health Observatory. Retrieved 25 December 2011. 
  2. ^ Roberts, Michelle (27 October 2006). "Why more people die in the winter". BBC News. Retrieved 25 December 2011. 
  3. ^ Burroughs, H. E.; Hansen, Shirley (2011). Managing Indoor Air Quality. Fairmont Press. pp. 149–151. Retrieved 25 December 2015. 
  4. ^ "ambiente". WordReference.com Spanish-English Dictionary. WordReference.com. Retrieved 20 September 2011.