**Houston Heatwave: Is Duct Mold Inflaming Kid Eczema?**

By Franklin Everett Shaw

December 31, 2025

The air in Houston in August isn’t just hot; it’s a thick, suffocating blanket. For parents of children with eczema, this oppressive humidity combined with the relentless heat can trigger a nightmare of itchy, inflamed skin. But what if the very air conditioning meant to provide relief is actually making things worse?

The link between Houston’s climate, indoor mold, and pediatric eczema is more than just anecdotal. It’s a complex interplay of environmental factors that can significantly impact a child’s skin health. Let’s break down how this happens and, more importantly, what you can do about it.

Houston’s extreme humidity creates the perfect breeding ground for mold, especially inside air conditioning systems. When warm, moist air hits the cool coils of your AC unit, condensation forms. This moisture, combined with dust and organic matter, provides the ideal environment for mold to thrive, particularly in the ductwork.

Mold spores then circulate throughout your home, becoming airborne irritants. For children with eczema, these spores can act as triggers, exacerbating inflammation and leading to flare-ups. Eczema is a condition where the skin barrier is already compromised, making it more susceptible to irritants and allergens.

But how do you know if mold is lurking in your AC system? Here’s a checklist for Houston parents:

• Smell Test: A musty or earthy odor coming from your vents is a strong indicator of mold.
• Visual Inspection: Use a flashlight to examine the visible parts of your AC unit and ductwork. Look for dark spots or discoloration. Pay close attention to the area around the cooling coils.
• Check the Drain Pan: The drain pan beneath your AC unit can become a breeding ground for mold. Ensure it’s draining properly and free of standing water.
• Filter Check: Regularly inspect your AC filter. A dirty filter not only reduces efficiency but also provides a surface for mold to grow. Change it monthly, especially during peak humidity.

If you suspect mold, don’t panic. Here’s a step-by-step guide to improving your home’s air quality and mitigating the risk:

1. Professional AC Inspection: Call a licensed HVAC technician in the Houston area. Companies like Reliant, Go Admiral, and One Hour Air Conditioning & Heating offer comprehensive AC inspections and cleaning services. Be sure to ask if they have experience with mold remediation.
2. Mold Testing: Consider professional mold testing to determine the type and extent of the mold. Companies like Mold Inspection Sciences Texas and SanAir Technologies Laboratory can provide accurate and reliable results.
3. Mold Remediation: If mold is confirmed, hire a certified mold remediation company. Look for companies with certifications from organizations like the Institute of Inspection, Cleaning and Restoration Certification (IICRC). In Houston, companies like AdvantaClean of Houston and Dry Force are reputable options.
4. Air Purifiers: Invest in a high-quality air purifier with a HEPA filter. Look for models specifically designed to remove mold spores and allergens. Consider brands like Coway, Levoit, and Blueair. Place the air purifier in your child’s bedroom and other frequently used areas.
5. Dehumidifiers: Use a dehumidifier to maintain indoor humidity levels between 30-50%. This will help prevent mold growth and reduce the overall moisture in your home.
6. Regular Cleaning: Regularly clean your home, paying special attention to areas prone to moisture, such as bathrooms and kitchens. Use a mold-killing cleaner in these areas.
7. Proper Ventilation: Ensure adequate ventilation in your home by opening windows and using exhaust fans in bathrooms and kitchens.

A common mistake Houston homeowners make is attempting DIY mold removal without proper training or equipment. This can actually worsen the problem by spreading mold spores throughout the home. Always consult with a professional for mold remediation.

Another pitfall is neglecting regular AC maintenance. Schedule annual AC tune-ups to ensure your system is running efficiently and to prevent mold growth. This includes cleaning the coils, drain pan, and ductwork.

Beyond addressing the environmental factors, it’s crucial to seek specialized medical advice for your child’s eczema. A pediatric dermatologist can provide a comprehensive treatment plan that may include topical corticosteroids, emollients, and other therapies. In Houston, consider specialists at Texas Children’s Hospital, Houston Methodist, or UT Physicians.

Remember, managing pediatric eczema in Houston’s challenging climate requires a multi-faceted approach. By addressing the potential link between mold, humidity, and eczema flare-ups, you can create a healthier indoor environment for your child and improve their overall quality of life. Don’t underestimate the power of a proactive approach to both environmental control and medical management.