Pressure Washing AC Outside Unit

Are you tired of your AC outside unit looking dirty and grimy? Discover the benefits of pressure washing it! In just a few simple steps, you can remove dirt, debris, and even stubborn stains.

Not only will your unit look brand new, but it will also function more efficiently. Follow our guide to pressure washing your AC outside unit and enjoy a thorough and safe cleaning experience.

Say goodbye to a dirty unit and hello to a cooler home!

dirty AC outside unit with leaves

The Benefits of Pressure Washing Your AC Outside Unit

You should pressure wash your AC outside unit to remove dirt and debris. Pressure washing is an effective way to clean your unit and maintain its efficiency.

When dirt and debris accumulate on the unit, it can restrict airflow and cause your AC to work harder, leading to higher energy consumption and potential breakdowns. By pressure washing regularly, you can prevent these issues and extend the lifespan of your AC unit.

Additionally, pressure washing removes mold, mildew, and other contaminants that can negatively impact indoor air quality. This is especially beneficial for those with allergies or respiratory conditions.

Precautions to Take When Pressure Washing Your AC Outside Unit

Before starting, make sure that you have disconnected the power supply and covered any electrical components with plastic to protect them from water damage. Taking these precautions is essential to ensure your safety and prevent any potential damage to your AC unit.

safety first sign in pressure washing AC outside unit

While pressure washing can be an effective way to clean your AC outside unit, it’s important to know the dos and don’ts of pressure washing. Avoid spraying water directly at the fins of the unit, as it can bend or damage them. Instead, position the pressure washer at a safe distance and use a wide spray pattern to clean the unit evenly.

Additionally, be mindful of the amount of pressure you use. High pressure can also cause damage, so start with a lower setting and gradually increase if necessary.

Step-by-Step Guide to Pressure Washing Your AC Outside Unit

Now that you have taken the necessary precautions and understand the potential risks, let’s go through a step-by-step guide to pressure washing your AC outside unit.

Turn Off Unit and Disconnect From Power Source

two men checking ac outside unit

First, make sure the unit is turned off and disconnected from any power source. This will prevent any accidents or damage to the unit.

Remove Any Debris

man removing debris ac outside unit

Next, remove any debris or loose dirt from the unit using a broom or a brush. This will help ensure a thorough cleaning.

Attach Pressure Washer To A Water Source

pressure washing ac outside unit

Once the unit is clear of debris, attach the pressure washer to a water source and adjust the pressure to a low setting. High pressure can damage the delicate fins of the unit.

Start by spraying the unit from top to bottom, making sure to cover all areas. Pay special attention to the fins, as they tend to collect dirt and debris.

After thoroughly spraying the unit, allow it to air dry completely before turning it back on. This will prevent any potential damage from the moisture.

Following these steps will help keep your AC outside unit clean and in good working condition. Remember to always follow safety guidelines and consult a pressure washing professional if you’re unsure about any step of the process.

Tips for a Thorough and Safe Cleaning of Your AC Outside Unit

To ensure a thorough and safe cleaning of your AC outside unit, it’s recommended that you carefully follow these tips and guidelines.

First, make sure to turn off the power to the unit before starting any cleaning process. This will prevent any accidental electrical shocks.

Next, remove any debris such as leaves, twigs, or grass clippings from the unit using a soft brush or a vacuum cleaner. Be gentle to avoid damaging the delicate fins.

Then, use a mild detergent mixed with water to clean the unit’s surface. Avoid using harsh chemicals or high-pressure washers, as they can cause damage.

Rinse the unit thoroughly with clean water and allow it to dry completely before turning the power back on.

Regularly cleaning your AC outside unit will help it run efficiently and prolong its lifespan.

Maintenance Tips to Keep Your AC Outside Unit Clean and Functioning Properly

maintenance ac outside unit

Make sure you regularly inspect and clean around your AC outside unit to keep it free from debris and functioning properly. One important maintenance tip is to trim any vegetation or bushes around the unit to ensure proper airflow. This will prevent leaves, grass, and other debris from getting inside the unit and potentially causing damage.

Additionally, check the unit for any signs of damage or wear, such as loose screws or bent fins, and fix them promptly.

It’s also recommended to clean the unit’s coils regularly to improve efficiency and prevent dust buildup. Use a soft brush or vacuum cleaner to gently remove any dirt or dust from the coils.

Lastly, make sure to schedule regular professional maintenance to ensure that your AC outside unit is in optimal condition.

Frequently Asked Questions

You should pressure wash your AC outside unit at least once a year. Regular cleaning helps remove dirt and debris, ensuring optimal performance. However, make sure to follow the manufacturer’s guidelines and avoid damaging any sensitive components.

Yes, you can use any type of pressure washer for cleaning your AC outside unit. However, it is important to use a low-pressure setting and be cautious not to damage any delicate components.

When pressure washing your AC outside unit, it’s important to use specific cleaning products. Look for cleaners that are safe for use on outdoor equipment and follow the manufacturer’s instructions for best results.

Yes, you should cover your AC outside unit before pressure washing it. This will protect it from any potential damage caused by the high-pressure water and ensure its longevity.

When pressure washing your AC outside unit near plants or shrubs, it’s important to take precautions. Covering the nearby plants with a tarp or using a lower pressure setting can help prevent damage to them.


In conclusion, pressure washing your AC outside unit can provide numerous benefits, such as improving its efficiency and prolonging its lifespan.

However, it’s important to exercise caution and follow the proper steps to avoid causing any damage.

By regularly maintaining and cleaning your AC outside unit, you can ensure it functions properly and continues to provide effective cooling for your home.

Contact Wash Buggy House Washing for your AC pressure washing needs today!

For residents and businesses in Delaware looking for top-tier AC pressure washing services, Wash Buggy House Washing stands out as the prime choice. 

With their expertise, state-of-the-art equipment, and dedication to customer satisfaction, you can rest assured that your air conditioning units will be handled with the utmost care and professionalism. Don’t let dirt, grime, or any other contaminants compromise the efficiency and longevity of your AC system. 

Reach out to Wash Buggy House Washing today, and let the experts ensure the pristine condition and optimal functioning of your units.

Check also our blog about Everything You Need To Know About Power Washing.