**Austin Acne: Cheap AC Hiding Summer Mite Risk?**

By Franklin Everett Shaw

January 10, 2026

Is your skin acting up in Austin’s sweltering summer heat? It might not just be the humidity. Dust mites, microscopic creatures that thrive in warm, humid environments, could be lurking in your air conditioner, exacerbating allergies and potentially contributing to skin issues, a phenomenon some locals jokingly refer to as “Austin Acne.” This guide is designed to help Austin residents identify and combat dust mite infestations in their AC units, offering practical, budget-friendly solutions tailored to our unique climate.

Dust mites aren’t insects; they’re arachnids, closely related to spiders and ticks. They feed on dead skin cells, and their droppings are a potent allergen. In Austin, the combination of high humidity and frequent AC use creates a perfect breeding ground for these unwanted houseguests.

So, how do you know if you have a dust mite problem in your AC? Unfortunately, you can’t see them. However, telltale signs include:

• Increased allergy symptoms: Sneezing, runny nose, itchy eyes, and coughing, especially when the AC is running.
• Worsening asthma: Dust mite allergens can trigger asthma attacks.
• Skin irritation: Increased acne breakouts, eczema flare-ups, or general skin itchiness.
• Musty odor: A persistent musty smell coming from your vents can indicate mold and dust mite growth.

Before you call an expensive HVAC professional, try these DIY solutions. These are designed for the average Austin homeowner or renter on a budget.

Step 1: The Deep Clean

This is where the elbow grease comes in. Turn off your AC unit at the breaker for safety.

1. Remove and Clean Vents: Take off all the vent covers in your home. Soak them in warm, soapy water (dish soap works fine) and scrub them thoroughly. Rinse and let them dry completely in the Texas sun.
2. Vacuum the Vents and Surrounding Areas: Use a vacuum cleaner with a HEPA filter to thoroughly vacuum the inside of the vents and the surrounding walls and floors. This is crucial to remove dust and debris that dust mites feed on. Pay special attention to corners and crevices.
3. Clean the AC Unit Itself: Locate your AC unit (usually outside or in an attic). Open the access panel and vacuum any visible dust and debris. Be careful not to damage any components.
4. Clean the Evaporator Coil: This is a more advanced step, but crucial for removing dust mites. You can purchase a coil cleaner specifically designed for AC units at most hardware stores (like Home Depot or Lowe’s). Follow the instructions carefully, ensuring the unit is off and the area is well-ventilated.
5. Clean the Drain Pan: The drain pan collects condensation and can become a breeding ground for mold and bacteria, which dust mites can indirectly benefit from. Pour a cup of bleach diluted with water down the drain line to kill any mold or bacteria.

Step 2: Upgrade Your Air Filter (DIY Style)

Standard fiberglass air filters are often ineffective at trapping dust mites and their allergens. While high-MERV filters are great, they can restrict airflow, especially in older Austin homes with less powerful AC systems. Here’s a budget-friendly DIY solution:

1. Buy a High-Quality Filter Material: Purchase a roll of electrostatic filter material from a hardware store or online. This material is designed to trap smaller particles than standard fiberglass filters.
2. Cut to Size: Cut the filter material to the size of your existing filter.
3. Layer and Secure: Layer two or three pieces of the electrostatic filter material over your existing filter. Secure it with duct tape around the edges. This creates a multi-layered filter that traps more dust and allergens without significantly restricting airflow.
4. Replace Regularly: Replace this DIY filter every 30 days, or even more frequently during peak allergy season.

Step 3: Low-Cost Preventative Measures

These steps will help prevent dust mites from returning:

• Control Humidity: Dust mites thrive in humidity above 50%. Use a dehumidifier, especially in bedrooms and living areas, to keep humidity levels below this threshold. Monitor humidity levels with a hygrometer (available for under $20 at most stores).
• Wash Bedding Regularly: Wash your bedding in hot water (at least 130°F) every week to kill dust mites.
• Use Allergen-Proof Bedding Encasements: Encase your mattress and pillows in allergen-proof covers to prevent dust mites from infesting them.
• Reduce Clutter: Dust mites love to hide in clutter. Reduce clutter in your home, especially in bedrooms, to minimize their hiding places.
• Regular Vacuuming: Vacuum your carpets and rugs at least once a week with a vacuum cleaner with a HEPA filter.
• Consider a HEPA Air Purifier: A HEPA air purifier can help remove dust mite allergens from the air. Place it in your bedroom for maximum benefit.

Challenges and Pitfalls

• Over-Tightening the Filter: Using too many layers of filter material can restrict airflow and damage your AC unit. Monitor your AC’s performance after installing the DIY filter. If it’s struggling to cool your home, remove a layer of filter material.
• Ignoring the Source: Cleaning your AC unit is important, but if you don’t address the underlying humidity problem, dust mites will quickly return.
• Using the Wrong Cleaning Products: Avoid using harsh chemicals or abrasive cleaners on your AC unit, as they can damage the components.
• Neglecting Regular Maintenance: Even with these DIY solutions, it’s important to have your AC unit professionally serviced at least once a year.

Local Austin Resources

If your allergy symptoms persist despite these measures, consider consulting with a local allergist. Here are a few reputable options in Austin:

• Austin Allergy & Asthma: Multiple locations throughout Austin.
• Central Texas Allergy & Asthma Clinic: Several locations in the Austin area.
• Allergy & Asthma Center of Austin: Located in Central Austin.

These clinics can perform allergy testing to determine if you are allergic to dust mites and recommend appropriate treatment options.

Addressing “Austin Acne”

While there’s no scientific evidence directly linking dust mites to acne, the increased allergen exposure and inflammation caused by dust mites can certainly exacerbate skin problems. By reducing dust mite populations in your home, you may see an improvement in your skin.

Conclusion

Combating dust mites in Austin’s humid climate requires a proactive approach. By following these DIY cleaning steps and preventative measures, you can create a healthier home environment and potentially alleviate allergy symptoms and skin problems. Remember to be consistent with your cleaning and maintenance routine, and don’t hesitate to seek professional help if needed. With a little effort, you can breathe easier and enjoy a more comfortable summer in Austin.