Condensation on windows occurs when the surface temperature of the window is low and the interior of the room is warm and has high relative humidity. Condensation on windows is an early warning of greater moisture/humidity issues in housing. It can generally be controlled by active ventilation and management via windows and mechanical extraction. The point at which condensation will occur depends on three variables:

  • The inside air temperature;
  • The relative humidity of the inside air; and
  • The surface temperature of the window or glass.

For further information of the cause and management of condensation please see the following links.

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