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Winter Is Coming: Preparing Your Indoor Air Quality in Central Florida

Updated: Nov 7, 2023

Woman relaxing on the floor surrounded by indoor plants with an air humidifier misting nearby, emphasizing indoor air quality preparation for winter in Central Florida.

While Central Florida may not experience the harsh winters of the North, the change in seasons still brings about shifts in indoor air quality. As temperatures drop, residents often keep their windows shut, leading to a buildup of indoor pollutants. Here's how you can prepare your home's air quality for the cooler months ahead.

1. Understand the Winter Air Quality Challenges

In winter, the reduced ventilation can trap indoor air pollutants inside your home. Common culprits include:

  • Dust and Pet Dander: As we spend more time indoors, there's an accumulation of dust and pet dander.

  • Mold and Mildew: The increased humidity from using heaters can promote mold growth, especially in poorly ventilated areas.

  • Volatile Organic Compounds (VOCs): These can come from a variety of sources, including cleaning agents, paints, and even certain types of furniture.

2. Regularly Change and Upgrade Your Filters

Your HVAC system's filters play a crucial role in maintaining indoor air quality. Ensure they're changed regularly. Consider upgrading to HEPA filters, which can capture particles as small as 0.3 microns.

3. Invest in a Dehumidifier

Florida's climate can still be quite humid in the winter. A dehumidifier can help maintain optimal indoor humidity levels, reducing the risk of mold growth.

4. Ensure Proper Ventilation

Even in the cooler months, it's essential to ensure your home is adequately ventilated. Regularly open windows and doors for short periods to allow fresh air in and stale air out.

5. Regularly Clean and Dust

A simple yet effective way to improve indoor air quality is regular cleaning. Vacuum carpets, wipe down surfaces, and wash bedding frequently to reduce the buildup of allergens.

6. Consider Indoor Plants

Certain indoor plants, like the spider plant or peace lily, can act as natural air purifiers, removing pollutants from the air.

7. Schedule an Indoor Air Quality Test

Before winter sets in, consider scheduling an indoor air quality test. This can provide insights into specific issues your home might be facing and offer tailored solutions.


Winter in Central Florida might not be as severe as in other regions, but it still poses unique challenges for indoor air quality. By taking proactive steps, you can ensure a healthier living environment for you and your loved ones. If you're unsure about your home's air quality, don't hesitate to reach out to us for a professional assessment. Your health and comfort are worth it!

FAQ's (Frequently Asked Questions)

Why is indoor air quality worse in the winter?

During the winter months, homes are often sealed tightly to conserve heat, leading to reduced ventilation. This can trap indoor pollutants, making the air quality worse than during other seasons.

How often should I change my HVAC filters during the winter?

It's recommended to check your filters monthly and replace them every 2-3 months. However, if you have pets, allergies, or notice faster buildup, consider changing them more frequently.

Are indoor plants really effective in improving air quality?

Yes, certain indoor plants can help remove pollutants from the air. Plants like spider plants, peace lilies, and snake plants are known to absorb toxins and produce clean oxygen, enhancing indoor air quality.

How can I test the humidity levels in my home?

You can use a hygrometer, a device that measures humidity levels. Ideally, indoor humidity should be between 30% and 50%. If it's consistently outside this range, consider using a humidifier or dehumidifier.

What are the health effects of poor indoor air quality during winter?

Poor indoor air quality can lead to a range of health issues, including respiratory problems, allergies, headaches, and fatigue. Over time, exposure to certain pollutants can also lead to more severe health complications.


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