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Musty Air Conditioner and How to Fix It

How to fix musty AC Napps

One common problem with air conditioners is musty odors. This unpleasant smell can be caused by a variety of factors, such as mold and mildew, dirt or dust buildup, a clogged air filter, bacteria in the condensate line, or even leaking refrigerant. If you’re experiencing this problem with your air conditioner, it means something is wrong with your unit. AC repair Longview, TX might be needed if the issue is beyond your skill level or if the problem is more serious than a simple cleaning.

Here’s why musty odors occur and what you can do to get around them.

Why Do Musty Odors Occur in Air Conditioners?

Nothing can ruin an otherwise perfect day like the smell of musty odors in your air conditioner. These odors make your home unpleasant to be in, but they can also indicate a problem with your air conditioner, which often requires professional AC repair Longview, TX.

Here are the common causes of musty odors in air conditioners and what you can do about them.

Dirty Air Filters

One of the most common causes of musty odors in air conditioners is dirty air filters. When the filter becomes clogged with debris and dust, it creates an ideal environment for mildew growth, which leads to that musty smell. The solution? Change your filter regularly! Most experts recommend changing it at least every three months or whenever you notice a musty odor coming from your AC unit.

Mold Growth

This often occurs when moisture accumulates inside the unit due to inadequate ventilation or a leak. If you notice a musty odor coming from your AC unit, it is important to inspect it for any signs of mold growth and take steps to eliminate the moisture source if necessary. If AC repair Longview, TX is needed, call a professional.

Clogged Drains

Clogged drains can cause musty odors in air conditioners, which happens when water collects in the drain pan. It can create an ideal environment for mold and mildew growth, which leads to those unpleasant smells. Inspecting your AC unit’s drain pan regularly and cleaning out any debris can help prevent this problem from occurring.


If you notice any signs of water damage near or around your AC unit, you may have a leak that needs to be addressed immediately before further damage occurs. Leaks happen when there is a crack or hole in the unit’s condensate line. An experienced HVAC technician can provide AC repair Longview, TX to fix this problem and prevent future leaks from occurring.


Finally, animals such as rodents or birds may also be responsible for causing musty odors coming from your AC unit. They find shelter in or around the unit, and their droppings can lead to bad smells. If you suspect an animal has made its way into your system, it is important to contact a professional to identify and remove them before further damage occurs.     

Musty odors from your air conditioner can be caused by various issues, ranging from dirty air filters to animals nesting inside the system itself! Regularly inspecting and scheduling AC repair Longview, TX for your HVAC system is key if you want to keep those smelly odors at bay and ensure that your AC unit runs efficiently all year round! If you are unsure what might be causing those nasty smells coming from your system, it’s always best to contact a professional to assess the situation quickly and accurately.

How Can I Get Rid of Musty Odors?

The best way to get rid of bad smells from your air conditioner is by performing regular maintenance or getting quality AC repair in Longview, TX. The upkeep must include changing your air filter once every two or three months and having a professional come out twice a year to inspect and clean your system.

During this inspection, they will check all unit parts, including evaporator coils, drain pans, blower wheels, and more, to ensure everything is clean and working properly. They will also check for any signs of mold or mildew present within the system so it can be treated accordingly. Suppose a clog in your drain line causes water buildup within the unit. In that case, this will also be addressed so that no further issues arise with odor-causing bacteria growing inside it.

Is a Musty Odor a Serious Problem?

Yes, musty odors from your air conditioner can indicate a more serious problem that needs to be addressed as soon as possible. It can mean a few different things, such as mold and mildew growing inside the unit or clogged drain lines, causing water to accumulate and creating a breeding ground for bacteria.

If any of these issues are present, it is important to call an HVAC technician immediately to get your system running properly and eliminate any unpleasant smells. AC repair Longview, TX is available for anyone experiencing these issues in their home or office, so don’t hesitate to contact a professional today. They will be able to diagnose any problems quickly and accurately so that your system is up and running again in no time!

Call Napps Cooling, Heating & Plumbing For Top Quality AC Repair in Longview, TX

No one likes dealing with musty odors coming from their air conditioner! Fortunately, by taking preventative measures such as changing your filter regularly and having a professional inspect and clean your system twice a year, you should be able to keep unpleasant smells at bay for good!

So don’t wait – take action before those musty odors become even harder to eliminate! Call Napps Cooling, Heating & Plumbing for quality AC repair Longview, TX, and get your system running like new in no time. Our team of experienced and knowledgeable HVAC technicians will be able to diagnose any issues quickly and accurately, so you can feel comfortable in your home or office once again.

Contact us for more information about our services and to schedule a repair appointment for your unit.

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