As the hot summer heat starts to fade and the cooler temperatures of fall starts to settle in, residents of Haines City start preparing their homes and yards for the wintertime. For many, that leads to the question of whether they ought to cover their outdoor AC for the winter.

While it may seem like a great idea, the fact is there are many reasons why you shouldn’t cover your AC unit in the winter. On top of not being necessary, covering your outdoor air conditioning equipment can actually cause problems.

Here, the professionals at Air Commander's Heating & Air Conditioning Co. share five reasons why covering your air conditioning equipment doesn’t need to be on your fall to-do list and what you should do instead.

1. Your AC Unit Isn’t Damaged by Snow

Outside AC units are built to withstand harsh weather conditions like snow in the winter season. These units are built with durable materials and hardware that can handle the outdoor elements without damage. The coils and fins of the unit are specially developed to resist corrosion, and the housing is manufactured to protect the internal elements from moisture and debris.

2. Covering Your Air Conditioner Can Cause Mold

One of the reasons you should avoid covering your outdoor air conditioning equipment in the winter is because doing so can trap moisture—which is definitely not what you want in your outdoor unit. That’s because sealing moisture inside the unit creates the perfect conditions for mold and mildew to flourish.

Mold and mildew not only have a bad smell, but they can also create health risks, especially for individuals with respiratory issues or allergies. Plus, the unwanted moisture can corrode the internal components of the AC unit.

Rather than covering the unit, instead ensure proper drainage and keep the area around the unit clean of debris, allowing for efficient airflow and preventing moisture buildup.

3. Your Covered Air Conditioning Unit Can Attract Animals

People aren’t the only ones who prepare for winter. Animals that live around your home are also searching for a warm, cozy place to hide out for the cold months. For many creatures, a covered air conditioner is the perfect winter home.

Birds, mice, chipmunks and even rats often make nests inside covered air conditioners. Animals dwelling in a covered air conditioner can cause several problems. Rats can chew through wires, insulation and other components, causing damage that may require expensive repairs. Debris animals bring into the AC to create a warm and comfortable nest can obstruct airflow and ventilation, reducing the efficiency of the appliance and potentially causing it to overheat. Moreover, animal excrement can result in unsanitary conditions and foul odors.

Leaving your air conditioner uncovered helps dissuade wildlife, because an uncovered AC provides less shelter from cold weather than a covered unit. That’s better for your air conditioner—and leaves you with less mess to throw away and things to repair once the snow melts.

4. Covering Your Air Conditioner Restricts Airflow

Another reason not to cover your air conditioner in the winter is because a cover blocks airflow through the unit. Adequate airflow is essential for the AC system because it assists heat exchange and allows the unit to cool effectively. When airflow is severely limited, the system has to work harder to maintain the desired temperature, resulting in increased energy consumption and strain on the components.

In addition, if you turn on your air conditioning without realizing that the outdoor unit is covered or because you simply forgot, it could result in a range of problems. One issue is that the absence of proper airflow could cause the compressor to overheat, causing its failure or damage.  That’s why it is necessary to ensure the outdoor unit is free from blockages and is not covered to maintain maximum airflow.

5. AC Maintenance Offers More Benefits Than Covering Your Air Conditioner

The bottom line is, it's a whole lot more effective to do a little maintenance for your cooling system than to cover your exterior AC unit.

There are several key maintenance projects you should prioritize to ensure the best possible performance and longevity of your AC unit. First, it’s wise to inspect your outdoor AC unit regularly and pull out any debris such as leaves, sticks and dirt to allow proper airflow. Second, inspect and clean the coils, fins and filters to make sure there isn't any dirt and dust buildup that would hinder effective heat exchange or airflow.

Regular air conditioning maintenance not only enhances efficiency, but it also helps extend the unit's life span, decreases energy consumption and protects against costly repairs. Rather than using a cover, committing time and effort into routine air conditioning maintenance is a proactive plan of action that can greatly benefit your entire HVAC system in the long run.