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Windows foggy and wet every winter morning?

Windows foggy and wet every winter morning?

Windows foggy and wet every winter morning?

If you are waking up to this in this deep freeze in Southern Ontario, here are a few tips to help.

This picture was sent to us by a client in Milton, Ontario. They woke up to their window looking like this, and commented that they must have poor quality windows.

I can assure you that the high humidity and extreme cold is the main cause for this. If you cover the windows (California shutters, or blinds at night), it will be more pronounced. Unless you have excessive moisture BETWEEN the panes, (see here) the thermal properties of the window are still excellent.

Now, how to fix it:

  1. Keep your humidifier set to around 30%.  Humidity in the air is high, and this warm moist air is being trapped between your window coverings and the glass, or just so much humidity in the air that condenses on the glass.
  2. Put a fan on low in the room to keep air flow, or turn on the fan of your furnace to keep it running all the time. Make sure that all your heating vents are open!
  3. Do not cover up the windows if at all possible. Open blinds and shutters (California Shutters are notorious for making this happen). Open up all curtains.   (yes, makes for early mornings in a west facing bedroom) and the problem will be lessened.
  4. Remove all window screens in winter.  (great opportunity to clean them off, and we suggest labeling with room)
  5. Consider an air exchanger added to your furnace.  Contact an HVAC technician for this which will help with airflow.
  6. Open the door to the room as often as you can to encourage airflow. Keep the door open all day and anytime the room is not being used!
  7. Open a window in the room for a few hours, (I realize, it is cold out, but you need the airflow to remove the moisture). It is a few weeks a year that this is an issue, but cannot be helped.
  8. Keep an eye on things over the next 24 hours with these changes and you should see a vast improvement.

Another commenter mentioned cleaning up the moisture/ice that had collected which is an important step as well. Remove all the ice and moisture and use a mold remover if mold has grown at the bottom of the window area.

Understand that when you are sleeping over night, you are also giving off humidity with every breath.  If you follow these simple rules, you will lessen the buildup of moisture on your windows. On the super cold days, you will always see some condensation on the perimeter, but this will dissipate during the day.

Last resort – If all attempts have not made a significant change in the condensation issue, we can replace your existing thermal glass with “warm touch technology” windows that will reduce the amount of condensation by not using metal in the spacer between the panes of glass.  Send us a message here at Windowfix.ca with a request for more information.

If you have moisture between the panes, then the thermal properties of the window have failed, and at that point, the glass (not the whole window) needs to be replaced. We do that too!

Call us at 289-242-8439 to discuss this issue, or visit our website here.

Stay warm!

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