As the hot summer heat starts to fade and the refreshingly cool weather of fall starts to settle in, residents of Milledgeville and Middle Georgia start preparing their homes and yards for the the upcoming cold weather. For many, that leads to the question of whether they ought to cover their outside AC for the winter.

While it may seem like a smart idea, the fact is there are a number of reasons why you shouldn’t cover your AC unit in the winter. On top of not being something you need to do, covering your outdoor air conditioning equipment can sometimes cause problems.

Here, the professionals at Air Concepts of Middle Georgia share five reasons why covering your air conditioner 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 supposed to withstand harsh weather conditions like snow in the wintertime. These machines are built with durable materials and components that can handle the outdoor elements without damage. The coils and fins of the unit are constructed to resist corrosion, and the housing is designed to protect the internal parts from moisture and debris.

2. Covering AC Systems can Encourage Mold

One of the reasons you should not cover your outdoor air conditioning equipment in the wintertime 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 spread.

Mold and mildew not only have an undesirable aroma, but they can also present health risks, especially for people with respiratory issues or allergies. Additionally, the excess moisture can corrode the internal components of the AC unit.

As an alternative to covering the unit, instead provide proper drainage and keep the area around the unit cleared of debris, allowing for efficient airflow and preventing moisture buildup.

3. Covered AC Systems Can Host Animals

You and your family aren’t the only ones who make plans for winter. Animals that live around your home are also searching for a warm, cozy place to crash for the cold months. For many critters, a covered air conditioner is an ideal winter refuge.

Birds, mice, chipmunks and even rats frequently make homes inside covered air conditioners. Animals dwelling in a covered air conditioner can cause several problems. Rodents can chew through wires, insulation and other parts, causing damage that may require pricey repairs. Debris animals bring into the AC to construct a warm and comfortable home can obstruct airflow and ventilation, limiting the efficiency of the unit and potentially causing it to overheat. Additionally, animal excrement can result in unsanitary conditions and foul odors.

Leaving your air conditioner uncovered helps deter creatures, because an uncovered AC offers less shelter from the elements than a covered unit. That’s better for your cooling system—and leaves you with less mess to pick up and things to repair when winter is over.

4. An AC Cover Restricts Airflow

Another reason you shouldn’t cover your AC unit in the winter is because a cover restricts airflow through the unit. Adequate airflow is essential for the AC system because it helps with heat exchange and allows the unit to cool properly. When airflow is restricted, the system has to work harder to maintain the desired temperature, causing additional energy consumption and strain on the components.

In addition, if you turn on your AC without noticing that the outside unit is covered or because you simply forgot, it could result in a range of problems. One issue is that the shortage of correct airflow could cause the compressor to overheat, causing its failure or damage.  That’s why it is vital to ensure the outdoor unit is always cleared of any barriers and is not covered to maintain maximum airflow.

5. AC Maintenance Works Better Than Covering Your Air Conditioner

The bottom line is, it’s lots more effective to do a little maintenance for your air conditioner than to cover your outside AC unit.

There are numerous key maintenance projects you should prioritize to ensure optimal operation and longevity of your AC unit. First, it’s smart to inspect your outdoor AC unit regularly and remove any debris such as leaves, twigs and dirt to promote proper airflow. Second, inspect and clean the coils, fins and filters to make sure they are free from dirt and dust buildup that would hinder efficient heat exchange or airflow.

Scheduled air conditioning maintenance not only enhances efficiency, but it also helps extend the unit’s life span, decreases energy consumption and prevents costly repairs. Rather than using a cover, investing time and effort into routine air conditioning maintenance is a proactive approach that can significantly benefit your entire HVAC system in the long run.