It’s during the winter that we see warm, moist air create condensation on our cold home windows. Maybe your kids are making funny faces on the glass with their fingers.
Actually, windows are generally the spot where moist air gets a chance to escape. In older homes that helped to control moisture problems and kept the house dry. In more modern homes, moisture is handed differently. Because windows and doors are air-tight.
If excessive condensation is not caused by your cooking activities in the kitchen, then you may have to take a look at how your home is ventilating. Or it could be moisture from constant cooking, cleaning and washing. There might even be a problem with the home’s vapour barrier and insulation.
Windows are one of the easiest places for mould to grow. Older homes tend not to have window mould issues because they were so drafty that moisture escaped easily to the outdoors. Newer homes however are fairly air tight. The moisture from wet clothing, cooking, washing dishes, showers, toilets and even people raises the humidity and when that moisture within rooms touch a cold surface such as your windows, you get condensation, and you may start to see mould growth. If that is let go, it begins to form on walls and other areas of your home. Then it becomes expensive and time consuming to clean.
When humidity rises inside, it can signal poor air quality that can affect your family’s health.
Top 7 ways to get rid of Window Condensation.
- If you have thermal blocking shades, keep them open during the day and wipe up any condensation or pools of water on the sill
- Open your windows at least 15 minutes per day
- Leave your bathroom vent fan on for 15 minutes after showers
- Ensure your clothes dryer vents outside
- Use your kitchen/range fan to pull steam from cooking outside
- Install storm windows to keep the inside of the window warmer
- Install dual-glazed windows which allow a warmer glass pane on the inside of the window
For more detailed explanations of condensation issues see this paper from the Cornell University.
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