Room temperature

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Colloquially, room temperature is the range of air temperatures that people prefer for indoor settings, which feel comfortable when wearing typical indoor clothing. As a medical definition, the range generally considered to be suitable for human occupancy is between 15 degrees Celsius (59 degrees Fahrenheit) and 25 °C (77 °F), though human comfort can extend somewhat beyond this range depending on factors such as humidity and air circulation. In certain fields, like science and engineering, and within a particular context, "room temperature" can have varying agreed upon values for temperature.

Video Room temperature

Comfort levels

The American Heritage Dictionary of the English Language identifies room temperature as around 20 to 22 °C (68 to 72 °F), and the Oxford English Dictionary claims that it is "conventionally taken as about 20 °C (68 °F)".

Owing to variations in humidity and likely clothing, recommendations for summer and winter may vary; a suggested typical range for summer is 23 to 25.5 °C (73 to 78 °F), with that for winter being 20 to 23.5 °C (68 to 74 °F), although by other considerations the maximum should be below 24 °C (75 °F) - and for sick building syndrome avoidance, below 22 °C (72 °F).

The World Health Organisation's standard for warmth is 18 °C (64 °F) for normal, healthy adults who are appropriately dressed. For those with respiratory problems or allergies, they recommend a minimum of 16 °C (61 °F), and for the sick, disabled, very old or very young, a minimum of 20 °C (68 °F).

Maps Room temperature

Ambient versus room temperature

Ambient temperature simply means "the temperature of the surrounding air"; in a room it is the temperature of the air in that room. Room temperature is not necessarily the same as the temperature of the air in a room. If a room is uncomfortably cool or warm, then the ambient temperature is significantly lower or higher than room temperature.

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Serving temperature of red wine

A common piece of advice is to serve red wine "at room temperature". This advice stems from a time from before central heating, when room temperature in wine-drinking countries was considerably lower than it is today, usually in the range between 15 °C (59 °F) and 18 °C (64 °F). The advice is therefore to serve the wine at, at most, about 18 °C (64 °F).

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See also

• Thermal comfort
• Standard conditions for temperature and pressure
• ISO 1

src: engineering.columbia.edu

References

Source of the article : Wikipedia