How to Reduce Window Condensation

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  • Beginner
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What You'll Need
Exhaust fan
Portable electric fan
Dehumidifier
What You'll Need
Exhaust fan
Portable electric fan
Dehumidifier

Window condensation is typically caused by high levels of humidity in certain areas of your home and can give way to sweaty and/or fogged-up windows. Fortunately, there are a number of easy steps you can take to reduce window condensation in your home.

Step 1 - Regularly Run Your Exhaust Fans

If you have problems with window condensation, the fogged-up windows are probably most prevalent in your kitchen, laundry room, and bathroom, as these are the most humid areas of virtually any home. To combat this problem, make sure to run your exhaust fans whenever you use one of the humidity-producing devices found in these rooms. For example, the next time you take a hot shower or use your stove, make a point of turning on the nearest exhaust fan and continuing to run it until you've finished using the device.

Step 2 - Always Air Out Your Home's Humid Areas

One good way to prevent condensation on your home's windows to regularly air out your bathroom, kitchen, laundry room, basement, and attic. For example, the next time you take a warm shower, make sure to promptly open up your bathroom door and windows and allow the condensation-forming moisture to make a quick exit from your home. This step is particularly important if your home does not feature exhaust fans.

Step 3 - Regularly Run Your Ceiling Fans

Another effective way to reduce window condensation in your home is to run your ceiling fans on a regular basis. This will help circulate air and keep it flowing throughout your entire house, ultimately greatly reducing fogged-up or sweaty windows or even completely removing the problem. It is of particular importance that you run these fans in the previously discussed high humidity areas of your home. If your home doesn't currently feature ceiling fans, you may want to consider investing in them, particularly if condensation frequently occurs on your windows.

Step 4 - Place Electric Fans Near Your Problematic Windows

Placing a portable fan in the immediate vicinity of any condensation-prone windows is another good way to reduce foggy windows. While not as effective as ceiling fans at increasing airflow, a portable fan can be an effective quick fix if placed close enough to create a direct airflow onto any window you are trying to defog.

Also, if your home doesn't feature any exhaust fans, you can securely place an electric fan in the center of a windowsill and set the fan to exhaust whenever a humidity-producing device is in use.

Step 5 - Use Dehumidifiers

Placing dehumidifiers in your home's more humid areas is another easy fix for window condensation. These humidity-purging devices can be found at virtually any drugstore for a very reasonable price. If you want to get rid of condensation on your windows but are on a tight budget, you'll be pleased to learn that dehumidifiers are a much less expensive alternative to electric and ceiling fans, although this may vary depending on the brand and the size of dehumidifier you're looking to purchase.