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The Essential Guide to Winterizing Your Air Conditioner

Nov 17, 2025

As the colder months approach, it's easy to overlook your air conditioner, but taking the time to winterize it can protect your investment and ensure it operates efficiently for years to come. As your local Southern Maryland HVAC experts, Good Brothers HVAC is here to guide you through the essential steps to prepare your AC unit for winter.

Why Winterize Your Air Conditioner?

Winterizing your air conditioner offers several key benefits:

  • Protection From the Elements: Snow, ice, and debris can damage your AC unit's components.

  • Prevents Costly Repairs: Winterizing helps prevent corrosion, freezing, and other issues that can lead to expensive repairs.

  • Maintains Efficiency: Keeping your unit clean and protected ensures it runs efficiently when you turn it back on in the spring.

  • Extends Lifespan: Proper care can significantly extend the lifespan of your air conditioner.

Step-by-Step Guide to Winterizing Your AC Unit

Follow these steps to winterize your air conditioner properly:

  1. Turn Off the Power: Before you begin, turn off the power to your AC unit at the breaker box to prevent any electrical accidents.

  2. Clean the Unit: Remove any leaves, branches, and debris from around the unit. Use a soft brush or vacuum to clean the fins, being careful not to bend them.

  3. Cover the Unit: Use a waterproof AC cover to protect the unit from snow, ice, and debris. Make sure the cover fits snugly but allows for some ventilation to prevent moisture buildup.

  4. Clean the Area Around the Unit: Clear the area around the unit of any obstructions, such as plants or furniture, to ensure proper airflow.

  5. Consider Professional Maintenance: Schedule a professional maintenance check with Good Brothers HVAC to ensure your unit is in top condition and ready for winter. Our certified technicians can identify and address any potential issues before they become major problems.

Additional Tips for Winter AC Care

  • Check the Seal: Ensure the seal between the AC unit and your home is intact to prevent drafts and energy loss.

  • Clear Snow Buildup: Periodically check the unit after heavy snowfall and remove any significant buildup to prevent damage.

  • Document the Date: Keep a record of when you covered your AC unit so you know when it is time to uncover the unit.

Winterizing your air conditioner is a simple yet crucial task that can save you money and extend the life of your unit. By following these steps, you can protect your investment and ensure your AC is ready to keep you cool when warm weather returns. At Good Brothers HVAC, we're committed to providing honest, reliable, and high-quality service to homeowners in Southern Maryland. Contact us today to schedule a maintenance check or learn more about our comprehensive HVAC services. We're here to help you keep your home comfortable year-round.

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