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Winter Indoor Air Quality: How to Reduce Dust and Allergens

Winter can be tough on your indoor air quality, especially as the air get a little more stuffy. It can be hard to reduce dust and allergens in the air as easily as it is in the summers in Myrtle Beach. As windows stay closed and heaters run constantly, dust, mold, and allergens accumulate in your home more than you think, even with the stale air outside. For homeowners in Myrtle Beach, maintaining clean, healthy air is not only for your comfort, but efficiency for your unit to make it through the winter.

Why Indoor Air Quality Matters in Winter

You may be thinking “there isn’t much dust and debris in the cold winter air”. And while you are correct, there are definitely more allergens in the air in the summers, it cn be just as stuffy in the winter.

Cold weather often leads to sealed homes, which traps dust, pet dander, mold spores, and other allergens indoors. According to the Environmental Protection Agency, indoor air can be 2–5 times more polluted than outdoor air, particularly in winter. (epa.gov) Poor air quality can trigger allergies, asthma, and other respiratory issues, while forcing your HVAC system to work harder.

How to Improve Winter Air Quality

1. Replace or Upgrade HVAC Filters
Air filters are the first line of defense against dust, pollen, and allergens. Check your filters monthly and replace them at least every 90 days. HEPA filters capture smaller particles, helping to improve indoor air quality and protect your HVAC system.

2. Use Air Purifiers
Air purifiers are highly effective for reducing airborne particles, odors, and mold spores. Units with HEPA or activated carbon filters provide maximum protection.

3. Maintain Proper Ventilation
Even in winter, fresh air circulation is important. Use exhaust fans in bathrooms and kitchens to prevent moisture buildup and reduce mold risk. Energy recovery ventilators allow fresh air without losing heat.

4. Control Humidity Levels
Keep indoor humidity between 30–50 percent. Humidifiers add moisture to dry winter air, while dehumidifiers prevent damp areas that foster mold.

5. Schedule HVAC Maintenance
Regular HVAC maintenance improves airflow and reduces dust accumulation. Clean ducts, check for leaks, and service your furnace or heater to maintain system efficiency and indoor air quality.

Prevent Stale Air and Mold

Mold thrives in dark, damp, and poorly ventilated spaces. Inspect basements, attics, and bathrooms regularly for moisture. Proper humidity control, ventilation, and air purification prevent mold growth and keep your home safe and healthy.

Reduce Dust and Allergens with Beach Air HVAC

Maintaining good indoor air quality in winter protects your health, increases comfort, and extends the life of your HVAC system. Small changes like replacing filters, using air purifiers, controlling humidity, and scheduling maintenance make a big difference.

Learn more about how we can help or give us a call at 843-796-3798 for a consultation.

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