Wednesday, February 27, 2013

Minimizing Condensation on Residential Windows in Minnesota

   All double pane windows that have an aluminum or stainless steel spacer between the panes of glass tend to have a condensation problem in the winter.  Moisture in the air will condense on a cold surface like a window.  The metallic spacer around the perimeter of the glass conducts heat to the outside.  This causes the inside pane of glass to get cold enough to condense moisture from the air.
   If  the windows are old and need replacing, you could get windows that have nonmetallic spacers.  If not, there are things you can do to minimize the condensation problem.  Remove the screens in the winter.  That will allow air movement against the window which will help evaporate the condensation as it forms.  Keep curtains open and if necessary direct a small fan at the window or install a ceiling fan in the room.  Any air movement will help minimize condensation.  Finally, if all else fails, you might have to lower the humidity in the house.  See my blog on controlling humidity inside the house.


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