Outdoor to Indoor Temperature Rise and Relative Humidity

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

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

Related Topics

  • Heating - Heating systems - capacity and design of boilers, pipelines, heat exchangers, expansion systems and more
  • 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

Related Documents

Tag Search

  • en: outside inside temperature relative humidity

Search the Engineering ToolBox

- "Search is the most efficient way to navigate the Engineering ToolBox!"

Engineering ToolBox - SketchUp Extension - Online 3D modeling!

3D Engineering ToolBox Extension to SketchUp - add parametric components to your SketchUp model

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your SketchUp model with the Engineering ToolBox - SketchUp Extension/Plugin - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro. Add the Engineering ToolBox extension to your SketchUp from the Sketchup Extension Warehouse!

Translate the Engineering ToolBox!
About the Engineering ToolBox!

close