Condensation can become a problem when the moisture in a warm home meets a surface that is cold, such as window glass. Water vapour always exists in our indoor air.This vapour becomes liquid as the windows chill when temperatures fall. The constant moisture can cover the window entirely and can increase mould growth throughout the home, according to the Environmental Protection Agency. There are a few tips you can use to help combat window condensation.
- Skill level:
Things you need
- window film
Reduce sources of humidity in your home. This can mean laying a sealer on basement floors and walls, limiting indoor houseplants, making sure clothes dryers are venting outside properly, and maintaining gutters to keep moisture away from your foundation, as recommended by HomeRepairGeeks.com. You can also cover your aquarium if you have one, and make sure wet clothing is not hung indoors.
Use exhaust and ceiling fans. Moving air through the house will help to reduce the condensation on windows. Use bathroom exhaust fans after showering and baths to eliminate humidity. Run kitchen exhaust fans to reduce heat. Turn on ceiling fans to circulate heated air throughout the house, according to Home-Master.net.
Add storm windows or replace old windows with double-paned glass. This can add another layer of glass so that warm air does not rest on very cold glass surfaces, creating condensation.
Use a dehumidifier. De-humidifiers remove water from the air. Several different types are available, from whole-house systems to portable units that can be moved around as needed. You select the size of the unit by calculating the square footage of the area that needs dehumidifying. De-humidifiers can be purchased inexpensively at home improvement stores. The energy used for dehumidifying is generally about the same amount you use to run your refrigerator, according to the Consumer Energy Center.
Apply a plastic film that reduces window condensation. This is a see-through film that helps to block humid indoor air from direct contact with the cold window surface. The film also helps to insulate and keep heat inside. This special film can be purchased at home improvement stores.
Apply a product such as Rain-X to control condensation on windows. Rain-X is a liquid product typically used to stop condensation on car windows and mirrors. Simply wipe on and reapply as needed.
Tips and warnings
- Rain-X may not work well in very cold temperatures.
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