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Fall Allergies: How Your HVAC System Can Help

As the leaves begin to change color and the weather gets cooler, many people start to dread the onset of fall allergies. According to the Asthma and Allergy Foundation of America, more than 50 million Americans suffer from allergies each year, and for many, fall is the worst time of year. If you're one of the millions of Americans struggling with fall allergies, there's good news: your HVAC system can help!

Fall Allergens


Ragweed is a type of weed that grows throughout the United States. Its pollen is light and dry, which makes it easy to disperse in the wind. Ragweed season typically begins in mid-August and lasts through November. If you live in an area with a lot of ragweed, you may start to notice your allergy symptoms as early as late July!


Mold is another common allergen that can be found both indoors and outdoors. Mold spores are released into the air when conditions are damp and humid. These conditions are often present in the fall, which is why mold allergies tend to peak during this time of year.

How to Fight Back

HVAC Systems

Your HVAC system is designed to keep your home comfortable all year long, and that includes during allergy season. By using a whole-house air purifier in conjunction with your HVAC system, you can greatly reduce the number of allergens circulating through your home. Air purifiers work by trapping allergens like dust, pollen, and pet dander in their filter so they can't recirculate through your home.

Air Purifiers

In addition to using a whole-house air purifier, you can also use portable air purifiers in specific rooms where you spend the most time. Portable air purifiers are especially helpful in bedrooms since that's where you spend the most time when you're at home. Look for an air purifier with a HEPA filter, as these are the most effective at trapping allergens.


If your home is dry during the fall and winter months, it can make your allergies worse. That's because dry air irritates the mucous membranes in your nose and throat, making them more susceptible to allergens. Using a humidifier can help combat this by adding moisture back into the air. Just be sure to clean your humidifier regularly to prevent mold and mildew growth.

Fall allergies don't have to ruin your autumnal enjoyment. By taking some simple steps to improve the air quality in your home, you can drastically reduce your allergy symptoms and breathe easier all season long. So don't let allergies get you down—start prepping your home today by contacting the indoor air quality experts at Farmer's Air!