What is Window Condensation?

What is Window Condensation
October 15, 2018 Windows 0 Comments

What is Window Condensation?

Sometimes homeowners cannot fully comprehend the reasons for having condensations nor the consequences. Despite being unpleasant to look at, condensation can cause serious damage to your home as well as to yours and your family’s health.

The Role of Windows in Condensation

The main cause of condensation is air leakage or loss of heat and cold. Windows which are properly made, sealed and installed prevent this from happening with ensuring that humid air stays inside. If you have condensation and well-functioning windows, the moist air hasn’t left your interior. This can be easily solved by homeowners.

Outside Condensation

Condensation on the outside of your windows is caused by weather transitions such as the transitions from a warm spring day to a cooler night. Just like humans, windows also have their own methods of adjustment.


The Impact of Low E-Glass

The design of Low-E glass exists to reduce heat loss while keeping the interior with ideal and comfortable temperatures. In the best circumstances, Low- E cuts 50 % of heat transfer. Having Low-E glass and condensation at the same time means that your glass is properly functioning. This is because the temperature of the glass exterior always falls when the glass reflects the heat back into the room.

Inside Condensation

Homes with higher humidity often have condensation forming on their window interior. When the moisture in a warm air breeze gets in contact with a cool winter window pane, it results with inside glass condensation.

Related Article: How to Know When to Replace My Home Windows

How to Stop Condensation from Forming on Windows

Condensation can be reduced or prevented by frequent air flow and reduced humidity. This is much harder for homes which have improperly insulated or installed windows. The main damage from condensation is hidden, in-wall mold growth. This can cause allergies, asthma attacks, respiratory issues, and fungal infections.

Here are some measures you can take to control humidity levels in your home, especially in the cold winter days:

  • Frequently venting clothing dryers and gas appliances. This directs the moisture to the outside.
  • Putting exhaust fans in rooms with high moisture levels such as kitchens and bathrooms.
  • Properly controlling the humidifiers in your home, preventing excess and unneeded usage.
  • To allow moisturized air to exit your home, occasionally open up the fireplace damper.
  • Making sure that the ventilation channels that lead air to the outside are unobstructed.
  • Frequently opening your windows to allow fresher air breeze and circulation.

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