How to clean your outside AC unit like a pro

Throughout the year, the outdoor components of your AC unit are regularly subjected to leaves, dust, and dirt among other contaminants. Did you know that all this is costing you money? Del-Air, your AC repair expert, offers advice on how to properly clean your outside AC unit. Our goal is to keep your system running strong while minimizing utility bills in the coming years.

Tools You Will Need

Before you can start cleaning your outdoor AC unit like the pros do, it’s important to gather the necessary professional tools for the job. Purchase the following items before you get started:

  • AC coil cleaner (follow your AC maker’s recommendation)
  • Garden hose with sprayer
  • Gloves and eye protection


  • Find the electrical disconnect near your outside unit. These components are typically located in a metal box.
  • Open the electrical disconnect and find the switch that turns off the air conditioner. It’s important to make sure the system is off before attempting any cleaning procedures.
  • Use the water hose spray to clean off loose debris on the outside unit. Contaminants like dust, grass, leaves, and dirt can collect on these components and affect the quality of air your family is breathing.
  • Spray the outside unit with the coil cleaner. Typically made from heavy-duty detergents, coil cleaners have the strength to remove grease, oil, and debris.
  • Wait 10-15 minutes for the cleaner foam to bond with the dirt on the coils.
  • Rinse the coil cleaner off with the hose to remove all the foam and debris.

Perform the above steps each year to maximize AC performance and indoor air quality while minimizing utility costs. The end result is a more comfortable, healthy home for you and your loved ones.

Call for Help Maintaining Your AC Unit

A well-maintained AC unit can save you money while improving your family’s comfort throughout the year, minimizing instances of allergies and asthma. Follow the above steps once a year, or call the  AC repair leaders at Del-Air Heating and Air Conditioning today at 888-831-2665 for a complete maintenance check of your system. We look forward to serving your needs in the coming months.

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See What Your Neighbors Are Saying

We are so grateful that Del-Air took care of us. It was an easy initial call. They ran routine service/maintenance. In that appointment, Raymond showed us areas in our air units that needed addressing. He took his time and made sure he made a thorough inspection of all the equipment. And what a nice gentleman. We…

Corie L.

Sanford, FL

This was my first experience with Del-Air and they were prompt, professional, and knowledgeable. They were able to get me in on the same day for a maintenance visit, which I wasn’t expecting but very much appreciated. The office staff was pleasant and so was the technician that came out to service my air conditioners. Thanks…

Kenya D.

Davenport, FL

Called at 9pm and they were at our house the next day at 9am. Thorough evaluation , great communication, and fixed our problem without a hard upsell for a whole new unit I. Honest service and I have great confidence with this company moving forward.

Matt G.

Jacksonville, FL

This is our second house using Del-Air and the value and service is why we come back. Our tech Reggie was fabulous! Above and beyond service, super nice, professional and thorough!

Suzanne S.

Tampa, FL

I have been using Del-Air for our home a/c concerns since purchasing our home 8-yrs ago. They have been and remain top- notch.

Bryan C.

Sarasota, FL