Stay Comfy Blog

Controlling Your Indoor Humidity in the Sweltering Summer


If you are feeling like your home is a bit stuffy this summer, fight the temptation to turn off your air conditioner and open a window – at least until you double check the humidity outside. Even on a day with a milder temperature, the humidity still plays a huge factor in your comfort. That’s why we are breaking down some of the ways to control indoor humidity on a sweltering summer day.

Stop Outside Air From Infiltrating 

Like we’ve already mentioned – keep that AC running and those windows closed. It needs to be both cool and dry to truly enjoy the breeze from an open window. 

In addition, it’s always good to make sure the envelope of your home has a proper seal. That means filling in cracks around the foundation, weather stripping around windows, and sealing the threshold of your doors and garage. Plus, stopping kids from running in and out of the house every few minutes will also keep outside air from infiltrating.

Remember that your AC not only does the job of cooling your home, but also dehumidifying it and conditioning the air from dust debris and other allergens. If you are worried about energy costs, you can set your air conditioner for a higher temperature, but don’t forget that once your AC reaches the desired temperature it will turn off and you may still feel moisture in the air if it hasn’t completely removed the humidity.

Use a Dehumidifier

That brings us to our next suggestion – invest in a good dehumidifier. You can get one of many different types of dehumidifiers for your home. There are the more affordable portable ones that work well for a single room, such as a basement. And there are the more-expensive-to-install, but greater-overall-comfort whole-house dehumidifiers, which are hooked up to your duct system and can reach every room of your home.

“Portable units are fine, but there are ‘central’ units available that can be ducted into the furnace duct system and don’t require manual draining of the water collected,” says Keith Hill, manager of technical support at Minnesota Air.

A dehumidifier, in addition to your AC, will be the extra help you need to get moisture out of the air in your home. 

Keeping High Moisture-Causing Activities To A Minimum

Lastly, nearly every activity we do has a heat or moisture-producing element to it. We boil water, we take showers, we run the dishwasher – it’s sometimes unavoidable.

“Summertime humidity comes from several sources – cooking, cleaning, breathing, perspiring, and infiltrating outside air,” says Keith. “There is not much we can do about the breathing and perspiring, but the cooking and cleaning are easy enough. Restrict any activities that generate water vapor during the most humid days.”  

If it generates heat and steam, wait to do it once it cools down or limit the duration. That means shorter showers, running the dishwasher at night, and making a cold salad instead of a steamy bowl of pasta.

If you need help keeping humidity levels low in your home, know that the folks at have solutions for your comfort. Visit us online to find a heating and air conditioning specialist near you.

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