Winterizing A/C Unit? Follow These 5 Tips

As the weather starts to cool down, it’s important to take steps to winterize your A/C unit. This will help to prevent damage from freezing temperatures and ensure that your unit is ready to go when the warm weather returns. This will help prevent costly repairs and keep your unit running smoothly throughout winter.

1. Check the Air Filter

One of the most important steps in winterizing your A/C unit is to check the air filter. A dirty air filter can restrict airflow and cause the unit to work harder than necessary. As a result, it’s important to check the air filter every month and replace it as needed. In addition, you should also clear any debris from around the unit and cover it with a tarp or other protective material.

2. Clean the Coils

One essential step in winterizing your A/C unit is to clean the coils. Over time, dirt and dust can build up on the coils, making them less effective at cooling the air. When left uncleaned, the dirt and dust can also cause the coils to freeze, leading to expensive repairs. To clean the coils, remove any debris with a brush or vacuum. Once the coils are clean, apply a coat of coil protectant to help prevent future buildup. To ensure efficient air conditioning in South Florida, you should clean the coils every six months or as needed.

3. Inspect the Ductwork

One of the most important steps in winterizing your A/C unit is to inspect the ductwork. Your A/C unit’s ductwork is responsible for delivering cool air into your home. Over time, the ductwork of your air conditioning in South Florida can become cracked or damaged, allowing cold air to leak into the system. If there are any leaks in the ductwork, cool air can escape and cause your A/C unit to work harder than it needs to. As a result, your A/C unit will have to work harder to maintain the desired temperature, leading to higher energy bills. Inspecting the ductwork can help ensure that your A/C unit is operating at peak efficiency.

4. Replace the Batteries in the Thermostat

One simple and often overlooked task is replacing the batteries in the thermostat. If the batteries are dead, your thermostat will not be able to accurately read the temperature, which could cause your A/C unit to run more often than necessary. Doing this will help ensure that your unit doesn’t have to work overtime to maintain a comfortable temperature in your home. Not only will this save you money on your energy bill, but it will also extend the life of your unit and avoid costly air conditioner repair in South Florida. Replace the batteries in your thermostat every six months or as needed.

5. Schedule Maintenance

One of the most important things you can do is to schedule regular maintenance appointments. During these a/c services appointments, a technician will clean and inspect your unit, ensuring it is in good working condition. They will also lubricate all moving parts and check the refrigerant levels. Taking a few preventative steps now will save you time and money when air conditioner repair in South Florida is needed. These simple steps will help keep your A/C unit running smoothly throughout winter. At SOS A/C Services in South Florida, we have a team of experts in AC service, repair, or maintenance.


Properly winterizing your A/C unit will help to ensure that it will be in good working condition when the warmer weather arrives. By taking the time to clean the coils and covers and draining the condensate line, you can help prevent ice buildup that can damage the unit. By following these simple steps, you can help to extend the life of your A/C unit and avoid costly repairs. Contact SOS A/C Services for affordable AC repair, AC installation and AC maintenance.

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