Savannah Sinuses: Is AC Mold Hiding Lung Threat?

Photograph of Franklin Everett ShawBy Franklin Everett Shaw
November 6, 2025

The air in Savannah hangs heavy, thick with humidity, a constant reminder of the city’s proximity to the coast. This humidity, while charming in its way, breeds a silent, unseen enemy within many homes: mold, particularly in air conditioning systems. Ignoring this potential problem can lead to serious health issues, turning your charming Savannah home into a source of respiratory distress. It’s time to take control and learn how to protect yourself and your family.

Savannah’s humid climate creates a perfect breeding ground for mold. AC units, constantly cycling between cool and warm temperatures, provide the ideal conditions for mold spores to thrive. These spores, invisible to the naked eye, circulate through your home every time your AC kicks on.

The connection between AC mold and respiratory problems is well-documented. Mold exposure can trigger allergies, asthma, and other respiratory illnesses. Symptoms can range from mild coughing and sneezing to severe breathing difficulties. Children, the elderly, and individuals with pre-existing respiratory conditions are particularly vulnerable.

So, how can a Savannah homeowner proactively combat this threat? The first step is regular DIY inspections. Don’t wait for a musty smell or visible mold growth; be proactive.

Here’s a step-by-step guide to inspecting your AC system for mold:

  1. Safety First: Turn off your AC unit at the breaker box. This prevents any accidental electrical shocks.

  2. Gather Your Supplies: You’ll need a flashlight, a screwdriver, a mask (N95 or better), gloves, and a damp cloth.

  3. Inspect the Air Vents: Remove the vent covers and shine your flashlight inside. Look for any visible mold growth, which often appears as black, green, or white spots. Wipe the inside of the vent with a damp cloth. If the cloth comes back with discoloration, it’s a sign of mold.

  4. Check the Evaporator Coil: This is a more involved step. Locate the access panel on your indoor AC unit. Carefully remove the panel using your screwdriver. The evaporator coil is a series of metal fins. Look for mold growth on the fins. Be extremely careful not to damage the fins.

  5. Examine the Drain Pan: The drain pan collects condensation from the evaporator coil. It’s a prime location for mold growth. Check for standing water and any signs of mold.

  6. Inspect the Air Filter: This is the easiest step. Remove the air filter and inspect it for mold. Replace the filter regularly, at least every three months, or more frequently if you have pets or allergies.

If you find mold during your inspection, don’t panic. Small amounts of mold can often be cleaned yourself.

Here’s how to clean accessible AC components:

  1. Mix a Cleaning Solution: Combine one part bleach with ten parts water. Always wear gloves and a mask when working with bleach.

  2. Apply the Solution: Use a spray bottle to apply the cleaning solution to the affected areas. Let it sit for 10-15 minutes.

  3. Scrub Gently: Use a soft brush or cloth to gently scrub away the mold.

  4. Rinse and Dry: Rinse the area with clean water and dry thoroughly.

  5. Reassemble: Once everything is dry, reassemble the AC unit.

However, there are times when DIY cleaning isn’t enough. Knowing when to call a professional mold remediation service is crucial.

Call a professional if:

  • The mold growth is extensive (more than 10 square feet).
  • You find mold in hard-to-reach areas, such as inside the ductwork.
  • You experience persistent respiratory symptoms despite cleaning.
  • You are unsure about the type of mold and its potential health risks.

Several reputable mold remediation companies serve the Savannah area. Companies like Coastal Mold Busters and Savannah Mold Remediation offer comprehensive mold testing and removal services. Always check their credentials and read online reviews before hiring a company.

Preventing future mold growth is just as important as remediation. Here are some tips specific to Savannah’s environment:

  • Maintain Proper Ventilation: Ensure adequate ventilation in your home, especially in bathrooms and kitchens. Use exhaust fans when showering or cooking.

  • Control Humidity Levels: Use a dehumidifier to keep indoor humidity levels below 50%. This is especially important during the humid summer months.

  • Regular AC Maintenance: Schedule regular AC maintenance with a qualified technician. This includes cleaning the coils, drain pan, and other components.

  • Address Leaks Promptly: Repair any leaks in your roof, plumbing, or AC system immediately. Water damage is a major contributor to mold growth.

  • Consider UV Lights: Installing UV lights in your AC system can help kill mold spores and prevent future growth.

A common mistake Savannah homeowners make is neglecting regular AC maintenance. They assume that if the AC is cooling, everything is fine. However, mold can grow silently and undetected for months, causing significant damage and health problems.

Another pitfall is using the wrong cleaning products. Harsh chemicals can damage AC components and create even more problems. Always use a mild bleach solution or a specialized AC cleaner.

Ignoring the problem is the biggest mistake of all. Mold won’t go away on its own. It will only get worse over time, leading to more extensive damage and health risks.

Living in Savannah means embracing the beauty and charm of the Lowcountry. But it also means being aware of the unique environmental challenges, including the risk of mold growth. By taking proactive steps to inspect, clean, and prevent mold in your AC system, you can protect your health and enjoy your Savannah home to the fullest. Don’t let mold steal your peace of mind; take control today.

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