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How To Clean A Ducane AC Unit

How To Clean A Ducane AC Unit

Make sure your air conditioning unit is in excellent condition all the time by cleaning it. The majority of condenser units may be disassembled by the owners for routine cleaning, however new owners may find this scary.

The methods listed below should be properly followed to clean your Ducane air conditioner:

  1. At the breaker box or the unit, switch off the breaker.
  2. The unit’s top cover should be removed.
  3. Clear the unit’s bottom of the accumulated trash.
  4. Utilize a coil cleaner to clean the fins.
  5. Sanitize the fan blades.
  6. Retain the top cover in place.
  7. Restart the electricity.

While it’s crucial to give the unit a thorough cleaning at least once a year, your central air conditioning system has many other components that, if neglected, might impair its overall function. Read on as we go through all the additional elements involved in cleaning your air conditioner.

How Should I Maintain My Ducane AC?

How To Clean A Ducane AC Unit

A large equipment needs to be cleaned with extra care and attention to make sure that you do not overlook any little details. Unnoticed issues, such as a filter that is the wrong size or an insulator that is broken, might develop into more serious issues later on.

Make sure to check all the extending components when cleaning outside conditioning systems.

Shut Off the Power

Be sure to turn off the electricity before opening the appliance to clean inside. Your AC’s power connector must be close to the unit in order to comply with code. Before washing the unit, just remove the power plug from the socket and set it on top of a dry surface.

Locate the breaker for the unit inside your home’s main circuit box and turn it off if the AC system is older or not up to code. Simply turn off the main circuit board of the house if you can’t find the specific breaker.

It’s crucial to turn off the conditioner unit’s electricity before cleaning it to prevent any potential electrical mishaps.

Remove The Unit’s Lid

Depending on the maker of your AC, there are many ways to remove the lid. The AC’s complete cover must typically be removed, however certain models have been engineered so that you may access the interior of the housing by simply taking off the fan blade.

You can accomplish this by using an adjustable wrench to remove the screws, but you should first check the handbook for your device to determine the proper instrument to use.

Cleaning Up Accumulated Junk In The Housing

How To Clean A Ducane AC Unit

It’s crucial to clear the debris that fell into the AC unit’s casing so that nothing blocks the fins’ ability to circulate air constantly.

Twigs and leaves may have accumulated inside the case of your outdoor air conditioner if you haven’t cleaned it out recently; you’ll need to remove them by hand or with a vacuum.

Mud is frequently discovered around the bottom of the case, especially if you do not give your unit a cover to keep it out of the snow or the rain. Simply wash the muck away with a hose.

To prevent mud from adhering to the fins, be sure to wash the dirt away from the inside of the case outward.

Tidy The Fins

To break up the firmly adhered grime on your AC’s fins, a coil cleaning is frequently employed. Before rinsing the fins with clean water, let the solution stay on them for 5 to 10 minutes.

When applying the solution to your fins, it is advised that you wear safety goggles to protect your eyes from the corrosive chemicals.

If the coil cleaners at your local hardware store are out of stock, you can also prepare your own solution at home using some standard items. White vinegar, dish soap, and water should all be combined in a small bucket or, preferably, a spray bottle.

Apply it to the fins after completely mixing it, and then leave it on for two to three minutes before rinsing it off.

Check the fins to see if there are any crooked lines that need to be straightened after cleaning the coil cleaner. You can do this by purchasing a fin brush from a hardware store.

If you don’t have access to one of them, a slotted screwdriver or even a wooden stick will work as long as you handle them cautiously to prevent harming the fins.

Make The Fan Bades Clean

Clean the fan blades if necessary before putting the lid back on. Before removing the blade for cleaning, pay attention to where it is on the motor shaft.

With the set screw pointing toward the flat side of the shaft, the blade should be put back in place.

Put the Lid Back On Securely

Make sure to firmly reinstall the screws after cleaning the AC unit’s interior. An functioning fan cannot be held in place by loose screws, which can do significant harm to the machine.

Observe the lines that enter and exit the machine as well. Before reinstalling the cover and tightening the screws, make sure the wires are resting on the housing’s notch.

Your machine is now prepared to be plugged back in and used after completing all of these steps.

Additional Elements To Examine

Even after cleaning the air conditioner unit, it’s conceivable that your cooling system did not function better. If so, check the unit for any external components that are linked to it.


How To Clean A Ducane AC Unit

Filters need to be cleaned frequently to prevent allergy buildup and ensure proper airflow. The air handler cabinet, which is directly in front of the door, contains the filter.

It is advised to use washable filters because they are simple to maintain, environmentally friendly, and can last as long as the air conditioner itself.

Make sure to replace your disposable filter every one to three months. To make sure you buy a new filter that is the right size, look at the size of your filter as it is stamped on the side of the item.


If damaged, the insulators around the cold line need to be replaced. Since the insulator is located outside of the house, a lot of factors can influence it, so it is crucial to inspect it to avoid fractures or tears.

To preserve the thermal efficiency of your air conditioner unit, a properly maintained insulator is essential.

How Should I Maintain My Outdoor AC Unit?

If an air conditioner is positioned outside without a cover, it may be damaged by weather conditions. You can use the advice listed below to take care of your appliance and preserve its quality for a longer period of time.

  • To prevent twigs and leaves from falling into the unit, avoid installing it near shrubs or beneath trees.
  • Maintain the tree if the air conditioner is situated close to it and trim any branches that could potentially fall onto the appliance during severe weather.
  • Keep plants from growing inside the unit or around it.
  • To stop contaminated water from leaking into the air conditioner, avoid placing it directly beneath a gutter.
  • If a fence is put up, provide at least 2 feet of space around the appliance so that it may still be serviced and repaired.
  • Rake the leaves frequently to keep them from getting caught in the coils of the fins.
  • Provide a cover for the top of the unit during the winter and rainy months to stop excessive debris from accumulating inside the housing.
  • Avoid totally covering the appliance as this may lead to moisture buildup and rust.
  • The unit shouldn’t be covered all year round as this can restrict airflow and encourage pests to create nests.
  • When installing the unit, check that it is properly elevated.
  • Keep in mind the ground that is supporting the unit and make sure it is sturdy enough to keep the device in place even during inclement weather. Concrete pads are suggested for a reliable foundation.
  • To allow the defrost runoff to properly drain, slant the foundation of the unit just a little bit.
  • Have the air vents cleaned by a professional at least once every two to three years.
  • Make sure your air conditioner is placed in a location where it won’t be exposed to direct sunlight all the time.

How Do I Make a Ducane Warranty Claim?

A Ducane air conditioner unit comes with a 20-year limited guarantee on unregistered equipment, as well as a 5-year limited warranty for parts covering heat exchangers and other parts.

In order to maintain the unit’s warranty, Ducane urges customers to register their devices with the service within 60 days of installation.

You must locate your unit’s serial or model number, which is provided to you at the time of purchase, in order to obtain the warranty. In order to confirm the registration of your device, you will also need to submit an email address to customer service.

The installer of the item will give you a lot of the details you need to submit a warranty claim.

To Sum Up

Cleaning your Ducane AC unit is simple and does not require expert assistance.

We covered how to properly clean your air conditioner in this article, along with some maintenance advice. By taking these actions, you can be sure that your AC unit will continue to function well for many more hot months.

How To Clean A Ducane AC Unit

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Written by HVAC Contributor

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