Outdoor to Indoor Temperature Rise - Relative Humidity

The effect on relative humidity when outdoor air temperature is raised to indoor temperature

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

Outdoor air temperature rise to indoor temperature and resulting relative humidity:

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 - psychrometric charts, Mollier diagrams, air-condition temperatures and absolute and relative humidity and moisture content

Related Documents

Tag Search

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