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Tips for AC Unit Cleaning and Maintenance

Some basic cleaning can go a long way for many components in or around our homes, and your air conditioning unit is often one of the top examples. While some don’t necessarily think of cleaning their outdoor AC unit very often, taking this approach plus some very simple additional maintenance tasks can help with everything from system efficiency to long-term lifespan and more.

At Thompson’s Comfort Connection, we offer a comprehensive range of not just air conditioning installation, but also AC repair, AC maintenance and more to clients around Sandy, Midvale, Draper, Riverton, Cottonwood Heights and nearby areas. Whether on your own or with help from our AC experts wherever you need us, here are some basic tips on how to clean the air conditioning unit, plus the value that these approaches can have.

Safety First: Turn the Power Off

Before we get into the specific cleaning and maintenance tasks, one very important note: Safety should always come first when you’re dealing with any large appliance like an AC unit. Before beginning any work on your AC unit, double check that the power is turned off completely to avoid any potential accidents or injuries.

Removing Debris

Especially if you’re just dusting off your AC unit for the first time after the long Utah winter, you’ll likely find a variety of debris has accumulated on and around the unit. This could include leaves, grass clippings, dirt or even small twigs or branches. Start by removing all of this debris to ensure maximum airflow and efficiency for your unit.

As you’re doing this, be sure to inspect the fins on the unit for any damage or bending. These fins are essential for proper heat transfer and can easily become bent due to flying debris or other factors. If you do notice any damage, contact our team for professional repair services.

Cleaning the Fins

Once all debris is removed, you can clean the fins using a garden hose with a spray nozzle. Be sure to only use a gentle spray so that you don’t bend or damage the fins even further. You can also use a fin comb to straighten out any bent fins and improve airflow.

During this task, you may notice that certain fins have become bent or damaged beyond repair. In this case, it’s best to contact our team for professional fin replacement services to ensure proper heat transfer and efficiency.

Removing Dirt and Algae

Over time, dirt and algae can build up on the outside of your AC unit, reducing its efficiency. To remove this buildup, you can mix equal parts water and vinegar in a spray bottle and apply it to the exterior of the unit. Then, use a soft bristle brush to gently scrub away the dirt and algae. Rinse off with clean water afterwards.

Evaporator Coil and Drain

As you’re moving through the exterior of the unit, don’t forget about the evaporator coil and drain. These components are essential for proper cooling and should be cleaned regularly to prevent clogs and blockages.

On the inside of the unit, remove any accumulated debris and use a mild detergent to clean the coils. Then, flush out the drain line with a mixture of water and vinegar to remove any buildup and keep it free flowing.

Blower Filter

Within any HVAC system, the air filter is essential for proper airflow and to prevent dust and debris from entering the system. Check your blower filter regularly – if it’s clogged with dirt or dust, replace it with a new one.

Benefits of AC Cleaning and Maintenance

Now that you know how to clean and maintain your AC unit, let’s discuss some of the benefits of these tasks. Regular cleaning and maintenance can:

  • Improve system efficiency, leading to lower energy bills.
  • Extend the lifespan of your unit by preventing costly repairs or replacements.
  • Create healthier indoor air quality by removing dirt and allergens from the system.
  • Ensure consistent cooling performance throughout the summer months.

By following these simple tips for cleaning and maintaining your AC unit, you can enjoy a more efficient and reliable cooling system for years to come. And remember, if you ever need professional assistance with your AC unit, Thompson’s Comfort Connection is just a phone call away. So don’t hesitate to contact us for all of your air conditioning and furnace installation, repair and maintenance needs around Sandy, Midvale, Draper, Riverton, Cottonwood Heights and nearby areas!


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