Top 5 Ways to Winterize Your AC for Long-Lasting Performance

As the leaves start to change color and the temperatures begin to drop, residents of Palm Desert and the Coachella Valley need to think about preparing their homes for the cooler months. While our winters may not bring snow, the cooler desert nights mean you won’t be needing your air conditioner as much. This is the perfect time to winterize your AC unit to ensure it stays in top shape for the next sweltering summer. Winterizing your air conditioner not only extends its lifespan but also helps maintain its efficiency and reliability. Here are the top five ways to winterize your AC, brought to you by Western Air Conditioning & Heating.

1. Clean or Replace the Air Filter

One of the simplest yet most effective ways to maintain your air conditioning system is to clean or replace the air filter. Over the summer months, your AC has likely collected a significant amount of dust, pollen, and other debris. A clean air filter ensures better air quality and improves the efficiency of your heating system during the winter.


Check your air filter and replace it if it’s disposable or clean it if it’s reusable. This is a task you can do yourself in just a few minutes. For homes in areas like Palm Desert, where sand and dust are prevalent, replacing your filter at the end of the cooling season is crucial.

2. Clean the AC Unit

After a long summer in the Coachella Valley, your outdoor AC unit may have accumulated dirt, leaves, and other debris. These can obstruct the airflow and lead to inefficiency and potential damage.


Turn off the power to the unit and gently wash the exterior with a hose to remove debris. Clean around the unit, ensuring that no plants are encroaching on the space, as this can block airflow and reduce efficiency.

3. Check and Seal Ductwork

Leaky ducts can significantly reduce your heating system’s efficiency by allowing warm air to escape before it reaches your living spaces. This is particularly important in the winter when you want all the warm air you can get.


Inspect your ductwork for any leaks or tears. Use duct tape or mastic sealant to seal any leaks. This might be a good time to call a professional from Western Air Conditioning & Heating to inspect your ductwork, especially if you’re unsure about doing it yourself.

4. Cover the Outdoor Unit

In Palm Desert and the surrounding areas, winter weather can still bring rain and wind, which can damage your outdoor AC unit. Covering the unit can protect it from the elements and prevent dirt and debris from getting inside.


Use a breathable, waterproof cover designed for air conditioners. Ensure the cover fits securely so that it doesn’t blow away in strong winds but allows air to circulate to prevent condensation.

5. Schedule Professional Maintenance

The end of the cooling season is an ideal time to schedule a professional maintenance check-up. This ensures that your system is not only ready for the winter but also prepared when you need it next summer.


A professional technician from Western Air Conditioning & Heating can perform a thorough inspection and tune-up of your AC system. This includes checking the coolant levels, testing the system controls, ensuring that the heating system is operational, and making any necessary repairs before they turn into major issues.


Winterizing your air conditioner is a crucial step in maintaining the longevity, efficiency, and performance of your cooling system. Even in the mild winter climate of Palm Desert and the Coachella Valley, taking the time to prepare your AC unit for the off-season can save you money on repairs and energy costs in the long run. Plus, you’ll have the peace of mind that comes from knowing your AC will be ready to perform when the temperatures start to rise again.

For any help with your air conditioning needs, whether it’s maintenance, repairs, or general service, don’t hesitate to contact Western Air Conditioning & Heating. Our team of experienced professionals is dedicated to ensuring your home remains comfortable year-round. Visit our website at Western Air Conditioning & Heating for more information or to schedule a service. Prepare your AC for winter and enjoy a worry-free cooling season when summer rolls back around!

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