Houston AC: Is Cheap Mold Crashing Summer Liver?

By Franklin Everett Shaw

January 11, 2026

The air in Houston hangs thick and heavy, a constant reminder of the humidity that breeds more than just mosquitos. It’s a breeding ground for mold, especially in the cooling systems working overtime to combat the Texas heat. But what if that mold wasn’t just an annoyance, but a silent contributor to a growing health crisis: non-alcoholic fatty liver disease (NAFLD)?

The connection might seem far-fetched, but emerging research suggests a link between mold exposure and liver inflammation. And in Houston, where AC units are practically lifelines, the potential for exposure is significant. Let’s dive into how mold in your AC could be impacting your liver health, and what you can do about it, Houston-style.

First, let’s understand the potential link. Mold produces mycotoxins, toxic substances that, when inhaled or ingested, can trigger inflammatory responses in the body. The liver, being the body’s primary detoxifier, bears the brunt of this assault. Chronic exposure can lead to inflammation and, eventually, NAFLD, a condition where fat accumulates in the liver, potentially leading to serious complications like cirrhosis.

Now, how do you know if your Houston home’s AC is a mold haven? Here’s a step-by-step guide:

The Sniff Test: Turn off your AC unit. Remove the filter. Does it smell musty or earthy? That’s a red flag.
Visual Inspection: Shine a flashlight into the AC unit’s coils and drain pan. Look for dark spots, discoloration, or visible mold growth. Pay close attention to areas where condensation collects.
Filter Check: Examine your AC filter. Is it excessively dirty, stained, or does it have a visible moldy appearance? A healthy filter should be relatively clean.
Drain Line Assessment: Locate the AC’s drain line (usually a PVC pipe). Check for clogs or standing water, which can promote mold growth.

If you suspect mold, don’t panic. Here’s how to get it tested and remediated, keeping Houston budgets in mind:

DIY Mold Test Kits: Available at most hardware stores like Home Depot or Lowe’s in Houston (check locations in the Heights or near the Galleria). These kits allow you to collect a sample and send it to a lab for analysis. Expect to pay around $30-$50.
Professional Mold Inspection: For a more thorough assessment, consider hiring a certified mold inspector. Companies like Mold Inspection Sciences Texas (with locations serving the Houston metro area) offer comprehensive inspections and reports. Costs typically range from $200-$500, depending on the size of your home.
Affordable Remediation Options:
- DIY Cleaning: For small areas of mold, you can try cleaning it yourself using a mixture of bleach and water (always wear protective gear). However, this is only effective for surface mold and may not address the underlying problem.
- Professional Remediation: For larger infestations, professional mold remediation is recommended. Get quotes from multiple companies in the Houston area, such as AdvantaClean of Houston or Jenkins Restorations. Prices vary depending on the extent of the mold and the remediation method used, but expect to pay anywhere from $500 to several thousand dollars.

Common Mistakes and Pitfalls:

Ignoring the Problem: Mold doesn’t just disappear. Ignoring it can worsen the problem and increase health risks.
Improper Cleaning: Using the wrong cleaning products or methods can spread mold spores and make the problem worse.
Failing to Address the Source of Moisture: Mold needs moisture to grow. If you don’t fix the underlying leak or humidity issue, the mold will keep coming back.
Not Wearing Protective Gear: Always wear gloves, a mask, and eye protection when cleaning mold.

Beyond addressing the mold, let’s talk about supporting your liver, especially during those sweltering Houston summers.

Hydration is Key: The Texas heat dehydrates you quickly, putting extra stress on your liver. Aim for at least eight glasses of water a day. Consider adding electrolytes to replenish those lost through sweat.
Embrace the Mediterranean Diet (Texas Style): Focus on fresh fruits, vegetables, lean proteins, and healthy fats. Think grilled fish tacos with avocado, or a vibrant salad with locally sourced greens and olive oil.
Limit Processed Foods and Sugary Drinks: These can contribute to inflammation and fat accumulation in the liver. Swap out sugary sodas for unsweetened iced tea or sparkling water with a squeeze of lime.
Consider Liver-Supportive Supplements: Milk thistle and dandelion root are known for their liver-protective properties. Consult with a healthcare professional before starting any new supplements.
Exercise Regularly: Even a short walk in the park can help improve liver function and reduce inflammation. Just be sure to stay hydrated and avoid exercising during the hottest part of the day.

Real-World Scenario:

Consider Maria, a resident of Spring Branch, Houston. She noticed a musty smell coming from her AC unit and started experiencing fatigue and digestive issues. After a mold inspection, she discovered a significant mold infestation in her AC system. She hired a professional remediation company to remove the mold and also started making dietary changes to support her liver. Within a few weeks, her symptoms improved significantly.

Actionable Insights:

Schedule regular AC maintenance: Clean or replace your AC filter every month, and have your unit professionally inspected and cleaned at least once a year.
Control humidity levels: Use a dehumidifier to keep indoor humidity below 50%.
Address leaks promptly: Fix any leaks in your roof, plumbing, or AC system to prevent mold growth.
Be proactive about your health: If you suspect mold exposure, talk to your doctor about getting your liver function tested.

Living in Houston means dealing with heat and humidity. But by taking proactive steps to prevent mold growth in your AC system and supporting your liver through diet and lifestyle, you can protect your health and enjoy the summer months without worry. Don’t let mold silently compromise your well-being. Take action today.