Outdoor to Indoor Temperature Rise and Relative Humidity

The relationship between outdoor and indoor temperature rise - and the effect on the relative humidity

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When cold outside air is supplied to and heated inside a building the relative humidity will decrease.

Relationships between outdoor and indoor temperatures are indicated below

Outdoor Temperature	Outdoor Relative Humidity (%)	Indoor Temperature	Indoor Relative Humidity (%)
-7 (^oC) 20 (^oF)	0	21 (^oC) 70 (^oF)	0
	20		3
	40		6
	60		8
	80		11

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Related Topics

Air Psychrometrics The study of moist and humid air - air condition - psychrometric charts, Mollier diagrams, air temperature, absolute and relative humidity, moisture content and more ..
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Outdoor Temperature and Relative Humidity - US Winter and Summer Conditions Outdoor design temperature and relative humidity in US states and cities - summer and winter
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