Window Condensation Causes & Solutions

Do your windows looks like they’re sweating? It can happen with both new and old windows. Seeing condensation on your new windows can make you worry there’s a problem. We’ll explain some of the causes of window condensation below so that you can identify if there’s an issue with your windows.

Newer windows are usually airtight which mean less air can enter from the outside. This can make your window glass look like it’s sweating.  Condensation is usually because of environmental reasons.  You wouldn’t have noticed them with your old windows, because the air leaking out of them would have caused the moisture before it collects.

Is it Permanent and Should I be Worried?

Are you finding the condensation on the inside of your window? It means your home has excess humidity. Because your window glass is a cool surface, it makes the moisture visible. Does condensation on your windows usually form during showers, dish washing, laundry or during the start of the heating season? This means it’s probably temporary and not a permanent issue or problem.

How to Fix It

To help reduce the condensation on your windows, you can invest in a dehumidifier. Having a bathroom & kitchen fan can also help remove moisture from the air. Setting your ceiling fans to rotate clockwise can help circulate air and reduce condensation in the winter.

When Should You Be Worried?

If your condensation is between the window panes then that’s a cause for worry. Condensation between the panes can mean the window seals are broken and your windows aren’t properly insulated any longer[1]. If your windows are new, call the company you got them from and see about getting them replaced. If your windows are old, it might be time for a replacement.

Additionally, if condensation remains on the windows throughout the day even when things have warmed up, or if it’s beginning to run down the walls, it can lead to mold or mildew. If this is the case you should have them looked at by a professional.

At the end of the day, make sure to reduce sources of moisture, increase ventilation in your home or increase the air temperature. These things can help reduce condensation on your windows[2].

[1] https://www.stanekwindows.com/17-window-condensation-solutions.aspx

[2] https://www.sunrisewindows.com/faqs/care-maintenance/condensation/

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