As the hot summer sun starts to fade and the cooler temperatures of fall starts to settle in, residents of Booneville start preparing their homes and yards for the winter. For many, that leads to the question of whether they need to cover their outside AC for the winter.

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

Here, the experts at Booneville Heating & Cooling 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 supposed to withstand harsh weather conditions like snow in the wintertime. These units are built with durable materials and parts that can handle the outdoor elements without damage. The coils and fins of the unit are engineered to resist corrosion, and the housing is crafted 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 not at all what you want in your outdoor unit. That’s because sealing moisture inside the unit generates the perfect conditions for mold and mildew to thrive.

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

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

3. A Covered Air Conditioner Can Attract Animals

Human beings aren’t the only ones who make plans for winter. Animals that live around your home are also looking for a warm, cozy place to hide out for the cold months. For many animals, a covered air conditioner is an ideal winter refuge.

Birds, mice, chipmunks and even rats frequently make winter dens inside covered air conditioners. Animals residing in a covered AC unit can cause many problems. Mice can chew through wires, insulation and other components, causing damage that may require expensive repairs. Debris animals bring into the AC to construct a warm and comfortable home can block airflow and ventilation, decreasing the efficiency of the appliance and potentially causing it to overheat. In addition, animal droppings can result in unsanitary conditions and foul odors.

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

4. Covering Your Air Conditioner Restricts Airflow

Another reason not to cover your air conditioning equipment in the winter is because a cover restricts airflow through the unit. Adequate airflow is crucial for the AC system because it facilitates heat exchange and permits the unit to cool efficiently. When airflow is reduced, the system has to work harder to achieve the desired temperature, leading to greater energy consumption and strain on the components.

In addition, if you turn on your AC without knowing 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 appropriate airflow could cause the compressor to overheat, causing its failure or damage.  That’s why it is vital to ensure the outdoor unit has no blockages and is not covered to maintain maximum airflow.

5. AC Maintenance Works Better Than Covering Your Air Conditioner

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

There are numerous key maintenance projects you should prioritize to ensure the best possible function and longevity of your AC unit. First, it’s a good idea to inspect your outdoor AC unit regularly and get rid of any debris such as leaves, twigs and dirt to maintain 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.

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