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How to Improve Indoor Air Quality as Temperatures Drop



As fall settles in and windows start approaches, it's natural to think more about the air quality inside your home. Cooler weather means spending more time indoors, so it’s essential to keep that indoor air fresh and clean for a healthier, more comfortable season.


Why Does Indoor Air Quality Matter in Fall?

When windows and doors stay shut, it’s easy for indoor air to get stale, trapping allergens, dust, and pollutants inside. With less ventilation, the air you breathe could impact everything from allergies to your overall comfort level at home. Taking a few simple steps to improve indoor air quality can make a big difference, helping everyone in your household feel better.


1. Change Your Air Filter Regularly

One of the simplest ways to improve air quality is by changing your HVAC filter regularly. During fall and winter, when your heating system is used more frequently, aim to replace the filter every 1-3 months. A clean filter traps dust, pet dander, and other particles that would otherwise circulate in your home, leading to fresher, cleaner air.


2. Consider an Air Purifier

If allergies or respiratory issues are common in your home, an air purifier might be a great addition. These devices work to remove airborne pollutants, including pollen, mold spores, and even viruses, depending on the type. Place one in frequently used rooms for the best results, and breathe easier knowing it’s working around the clock.


3. Bring in Some Houseplants

Houseplants don’t just add a touch of green to your decor—they can also help clean the air! Certain plants, like spider plants, peace lilies, and snake plants, are natural air purifiers, filtering out pollutants and improving indoor air quality. Plus, they add a cozy, fresh feel to your space during fall and winter.


4. Keep Humidity in Check

As the temperature drops, indoor air can become dry, which isn’t great for comfort or health. A humidifier can help maintain ideal humidity levels, reducing respiratory irritation and making the air feel warmer. Just be mindful not to over-humidify, as excess moisture can lead to mold growth. Aim for around 30-50% humidity for optimal comfort.


5. Dust and Vacuum Regularly

Dust and allergens can easily settle on surfaces and carpets, especially when air circulation is limited. Regularly dusting and vacuuming with a HEPA-filter vacuum can help keep particles under control and reduce the allergens that circulate in your home.


6. Use Ventilation Fans in the Kitchen and Bathroom

Whenever you’re cooking or showering, turn on the ventilation fans. These fans help reduce moisture and odors, which can otherwise linger and affect air quality. They’re small but effective tools in preventing mold growth and keeping your indoor air cleaner.


7. Air Out the House When You Can

On those mild fall days, open a window or two for a few minutes to bring in fresh air. Even a short period of ventilation can help reset the indoor air, flushing out pollutants and bringing in some of that crisp, refreshing outdoor air.


Final Thoughts

Maintaining good indoor air quality doesn’t have to be complicated, but it can make a big difference as temperatures drop and we spend more time indoors. From changing your air filter to adding a few houseplants, small steps go a long way in creating a comfortable, healthy space for everyone at home. This fall, let fresh air and clean spaces be a part of your seasonal routine!

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