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How Often Should You Cleans The Outside Unit Of An AC System?

Cleaning your outdoor air conditioner will keep your heating and cooling system running efficiently and extend its life. If you’re a do-it-yourself type who prefers to do the work yourself rather than hire a professional, here are some tips that may be helpful or Clean the outside unit of An AC system.

Many homeowners want to knows how to clean their exterior unit of air conditioners not only to improve efficiency but also to save money. However, continue reading if you require AC replacement in Buckeye, AZ.

How often should your AC be cleaned?

Why should you clean the outdoor unit of AC? Keeping your condenser coils clean, maximizes efficiency and saves you money. It also prevents malfunctions that can lead to costly repairs. How often should you clean the outdoor unit of your air conditioner?

Cleaning your air conditioning unit twice a year before the summer and fall seasons can keep your home cool and warm. Moreover, good ventilation is required for the outdoor unit to release heat. As such, homeowners should take precautions to clean their outdoor units regularly and keep their surroundings clean.

Signs of dirt outdoor air conditioning unit.

These two problems are most likely to occur as a result of a dirty air conditioner outdoor unit:

Reduced performance

An air conditioning system comprises various important components for its efficient operation. A condenser coil is one of those parts whose inefficient functioning can damage the entire system.

Decreased efficiency

Condenser coils are indispensable for outdoor units. Getting used to keeping them clean is beneficial. If they are dirty, it will reduce the system’s efficiency, and the interiors will be uncomfortable. It takes more energy for the same amount of cooling, resulting in higher electricity bills. Wasted energy also increases your carbon footprint and harms the environment.

Steps to clean your external AC unit using the right tools and methods.

Step 1: Turn the AC power off

Before cleaning the external AC unit, turn off the power to ensure safety.

Step 2: Remove large debris

Wear work gloves and remove coarse debris such as leaves, twigs, and grass clippings from the outside. You can use a shop vacuum or standard vacuum hose attachment to remove small debris from the bottom and exterior of the unit.

Step 3: Clean air conditioner coils

Cleaning the air conditioner coil requires gentle but thorough vacuuming to remove accumulated dirt.

Step 4: Apply a coil cleaner

Clean the AC fins and coils by spraying an AC coil cleaner.

Step 6: Restore power to the unit

Turn on the room thermostat and run the air conditioner to ensure it works properly. It is important to keep the outdoor unit clean to maximize the air conditioner’s performance. Regularly clean any dirt or dust buildup on the condenser unit and make sure there are no objects, plants, or other matter within 2 feet.

Have an HVAC professional do a semi-annual inspection to clean the coils and ensure the outdoor unit is in perfect condition. Contact AC repair in Buckeye, AZ, to ensure all the air conditioner components are working efficiently.


Cleaning an Outside Unit Of An AC System isn’t that difficult. Still, it’s worth the time and effort as it makes it more energy efficient, keeping your family comfortable in summer and winter. Mendoza Air Conditioning & Heating LLC is an HVAC company with many years of experience providing residential and commercial services for all brands and models.

Upon completion of the tune-up, the technician can provide a full report detailing the work performed and any required repairs or adjustments. Whether you’re planning a minor repair or need immediate service, we offer efficient, professional AC repair in Buckeye, AZ. Contact us today.