How to Clean Goodman Evaporator Coil

To clean a Goodman evaporator coil, begin by shutting off the power, removing the access panel, and vacuuming the coil with a soft brush attachment. Then, carefully spray a commercial coil cleaner onto the coil, allowing it to sit for a few minutes before rinsing it off with water.

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Finally, let the coil dry completely before reassembling the unit. Regular cleaning of the evaporator coil helps maintain its efficiency and prolongs the life of your Goodman air conditioner.

Understanding The Importance Of Cleaning The Evaporator Coil

Cleaning the evaporator coil of your Goodman unit is crucial for maintaining optimal cooling performance and energy efficiency. Regular cleaning helps to remove dirt, dust, and debris, preventing potential issues like reduced airflow and system breakdowns. By following proper cleaning techniques, you can ensure the longevity of your evaporator coil and prolong the lifespan of your unit.

The role of the evaporator coil in the cooling process:

  • The evaporator coil is a crucial component of an HVAC system that plays a key role in the cooling process.
  • Located inside the indoor unit, it is responsible for absorbing heat from the air inside your home.
  • As the refrigerant flows through the coil, it extracts the heat, causing the air to cool down before being circulated back into your home.

How dirt and debris can affect the efficiency of the coil:

  • Over time, the evaporator coil can accumulate dirt, dust, and debris, which can impede its efficiency.
  • A dirty coil acts as an insulator, preventing proper heat transfer and reducing cooling efficiency.
  • This buildup can also restrict airflow, causing your system to work harder and consume more energy to achieve the desired cooling level.

The benefits of regular maintenance and cleaning:

  • Regular maintenance and cleaning of the evaporator coil are essential to keep your HVAC system running efficiently.
  • Cleaning the coil ensures optimal heat transfer, allowing your system to cool your home more effectively.
  • It improves air quality by preventing the buildup of mold, bacteria, and allergens that can thrive on a dirty coil.
  • Regular cleaning also prolongs the lifespan of your system, reducing the risk of costly repairs and replacements.

Understanding the importance of cleaning the evaporator coil is vital for maintaining the efficiency and performance of your HVAC system. Regular cleaning not only enhances cooling efficiency but also improves indoor air quality and extends the lifespan of your system.

By prioritizing coil maintenance, you can ensure a comfortable and healthy living environment while optimizing energy consumption.

Tools And Materials Needed For Cleaning

To clean a Goodman evaporator coil, you’ll need a few tools and materials. Gather a soft brush or vacuum cleaner, coil cleaner solution, a spray bottle, and a clean cloth. With these items, you can effectively remove dirt and debris from your evaporator coil, ensuring optimal air conditioning performance.

Goodman evaporator coils are an essential component of your HVAC system, responsible for cooling the air that circulates in your home. Over time, these coils can accumulate dust, dirt, and debris, negatively impacting their performance. Regular cleaning of your Goodman evaporator coil is necessary to maintain the efficiency of your HVAC system and ensure clean and healthy air circulation in your home.

If you are ready to take on the task of cleaning your Goodman evaporator coil, here is a list of tools, recommended cleaning solutions and materials, as well as safety precautions to consider before getting started.

A List Of Tools Required For The Cleaning Process:

  • Screwdriver: Used to remove the access panel of the evaporator coil.
  • Coil cleaning brush: Helps in removing dust and dirt from the coil fins.
  • Coil cleaner solution: Specially formulated cleaning solution designed to remove stubborn debris from the coil.
  • Vacuum cleaner with brush attachment: Useful for collecting loose dirt and debris from the coil and surrounding areas.
  • Fin comb: Enables straightening any bent fins on the coil for optimal airflow.
  • Clean cloth or towel: Used for wiping down the coil and other accessible parts.
  • Safety goggles: Essential to protect your eyes from any debris or cleaning solution splashes.
  • Gloves: Protect your hands from any sharp edges and potential exposure to cleaning chemicals.
  • Drop cloth or plastic sheet: To protect the surrounding area from any water or cleaning solution spills.

Recommended Cleaning Solutions And Materials:

  • Evaporator coil cleaner: Look for a product that is specifically designed for evaporator coils. Avoid using harsh chemicals or bleach, as it may damage the coil.
  • Water: You will need clean water for rinsing the coil after using the coil cleaner.
  • Spray bottle or pump sprayer: Used to apply the coil cleaner solution evenly on the coil.

Safety Precautions To Consider Before Starting The Cleaning:

  • Turn off the power: Make sure to turn off the power supply to the HVAC system before starting the cleaning process.
  • Wear protective gear: Put on safety goggles and gloves to protect yourself from any potential hazards.
  • Follow manufacturer’s instructions: Read and follow the instructions provided by Goodman or the coil cleaner manufacturer for specific guidelines on cleaning and safety precautions.
  • Avoid excessive water usage: Be cautious not to over-wet the coil, as it may lead to water damage or electrical issues.
  • Use proper ventilation: Ensure that the area where you are working is well-ventilated to avoid inhaling any fumes from the cleaning solution.
  • Be gentle: Use care when handling the evaporator coil and its delicate fins to prevent damage.
  • Check for mold or mildew: If you suspect mold or mildew growth on the coil, additional precautions may be necessary. Consult a professional if needed.

By gathering the necessary tools and materials, selecting the right cleaning solutions, and following safety precautions, you are well-prepared to clean your Goodman evaporator coil effectively. Regular maintenance and cleaning of your HVAC system will help prolong its lifespan and ensure optimal performance.

Now that you are equipped with the knowledge, it’s time to get started on your cleaning journey!

Step-By-Step Guide To Cleaning The Evaporator Coil

Learn how to effectively clean your Goodman evaporator coil with this step-by-step guide. Keep your HVAC system running smoothly by following these simple instructions.

Regular cleaning of the evaporator coil is essential to ensure the efficiency and longevity of your Goodman HVAC system. Over time, dirt and debris can accumulate on the coil, hindering its ability to cool the air effectively. In this step-by-step guide, we will walk you through the process of cleaning the evaporator coil, ensuring that your HVAC system continues to operate at its optimal performance.

Turning Off The Power To The Hvac System

Before you start cleaning the evaporator coil, it is crucial to turn off the power to your Goodman HVAC system to prevent any accidents or damages. Follow these steps to ensure a safe cleaning process:

  • Locate the circuit breaker for your HVAC system and switch it off.
  • Make sure to wait for a few minutes for the system to completely power down.
  • Verify that the power is off by attempting to turn on the air conditioner or heater.

Accessing The Evaporator Coil

Once the power is turned off, you can proceed to access the evaporator coil. The coil is typically located within the air handler unit. Here’s how you can access it:

  • Remove the access panel on the air handler unit.
  • Depending on the model of your Goodman HVAC system, you may need to unscrew or unclip the panel.
  • Set the panel aside in a safe place for easy reassembly later.

Removing Dirt And Debris Using A Soft Brush Or Vacuum Cleaner

Now that you have accessed the evaporator coil, it is time to remove any dirt and debris built up on its surface. Follow these steps for effective cleaning:

  • Use a soft brush or a vacuum cleaner with a brush attachment to gently remove loose dirt and debris from the coil.
  • Ensure that you clean both sides of the coil thoroughly, paying attention to hard-to-reach areas.
  • Be careful not to damage the delicate fins on the coil while cleaning.

Applying A Mild Cleaning Solution To Remove Stubborn Deposits

If the coil has stubborn deposits or dirt that cannot be removed through dry cleaning, you may need to apply a mild cleaning solution. Here’s what you need to do:

  • Mix a solution of equal parts water and mild detergent or coil cleaner in a spray bottle.
  • Spray the cleaning solution onto the coil, focusing on areas with heavy buildup.
  • Allow the solution to sit for a few minutes to loosen the deposits.
  • Gently scrub the coil with a soft brush to remove the loosened dirt.

Rinsing The Coil With Water And Ensuring Proper Drainage

After removing the dirt and cleaning solution from the coil, it is crucial to rinse it thoroughly with water. Follow these steps to ensure proper rinsing and drainage:

  • Carefully rinse the coil with a hose or spray bottle, starting from the top and working your way down. Avoid using excessive pressure to prevent damaging the coil.
  • Ensure that the water flows freely through the coil, carrying away any remaining dirt or cleaning solution.
  • Check the drainage tray beneath the coil and clean it if necessary to ensure unobstructed water flow.

Reassembling The System And Turning The Power Back On

With the cleaning process complete, you can now reassemble your Goodman HVAC system and restore power. Follow these final steps:

  • Reattach the access panel securely to the air handler unit.
  • Ensure that all screws or clips are fastened tightly to prevent any air leaks.
  • Turn on the power to your HVAC system by switching on the circuit breaker.
  • Allow the system to run for a few minutes before adjusting the temperature settings.

By following this step-by-step guide, you can effectively clean your Goodman evaporator coil and maintain the performance of your HVAC system. Remember to schedule regular cleaning sessions to prevent excessive buildup and ensure efficient cooling or heating throughout the year.

Keep your HVAC system in top shape with proper maintenance and cleaning.

Tips For Preventing Future Buildup On The Evaporator Coil

Prevent future buildup on the Goodman evaporator coil with these useful tips. Regular cleaning and maintenance will keep the coil functioning efficiently and extend its lifespan.

Using proper air filters and replacing them regularly:

  • Choose a high-quality air filter that is designed to trap dust, dirt, and other particles.
  • Opt for filters with a MERV rating of 8 or higher for effective filtration.
  • Replace the air filter every 1-3 months, depending on the manufacturer’s recommendation and the level of contaminants in your area.
  • Regularly inspect the air filter for any signs of damage or clogging and replace it immediately if necessary.

Keeping the surrounding area clean and free from debris:

  • Keep the area around the evaporator coil clean and clear of any obstructions.
  • Regularly vacuum or sweep the space to prevent dust, dirt, and debris from accumulating.
  • Ensure that there are no objects, furniture, or storage items blocking the airflow around the evaporator coil.
  • Trim any plants or vegetation near the outdoor unit to allow for proper airflow and prevent debris from entering the system.

Scheduling regular maintenance and cleaning appointments with professionals:

  • Schedule annual maintenance appointments with HVAC professionals to inspect and clean the evaporator coil.
  • Professionals have the expertise and tools to thoroughly clean the coil and remove any stubborn buildup.
  • Regular maintenance can prevent major issues and prolong the lifespan of the evaporator coil.
  • Consider signing up for a maintenance contract to ensure regular cleanings and inspections throughout the year.

By following these tips, you can prevent future buildup on your Goodman evaporator coil and maintain a more efficient and reliable cooling system. Remember to use proper air filters, keep the surrounding area clean, and schedule regular maintenance with professionals to keep your evaporator coil in optimal condition.

Common Mistakes To Avoid When Cleaning The Evaporator Coil

The best approach to cleaning a Goodman evaporator coil is to avoid common mistakes. This includes not neglecting regular maintenance, using improper cleaning solutions, overusing excessive water pressure, not removing debris thoroughly, forgetting to clean the drain pan, and not having a professional inspection and cleaning done periodically.

By following these guidelines, you can ensure optimal performance and longevity of your evaporator coil.

Using harsh or abrasive cleaning agents that can damage the coil:

  • Harsh or abrasive cleaning agents can cause irreversible damage to the delicate fins of the evaporator coil.
  • Avoid using strong chemicals or cleaning solutions that can corrode or deteriorate the coil’s surface.
  • Stick to mild cleaning agents specifically designed for evaporator coil maintenance.

Neglecting to turn off the power before starting the cleaning process:

  • Before you begin cleaning the evaporator coil, ensure the power to the unit is turned off.
  • Cleaning the coil while the power is still on can be dangerous and may cause electrical shock.
  • Always prioritize safety by switching off the power supply first.

Failing to remove all dirt and debris from the coil:

  • It’s crucial to remove all dirt, dust, and debris from the evaporator coil to ensure its proper functioning.
  • Use a soft brush or a vacuum cleaner with a brush attachment to gently remove any loose particles.
  • Pay extra attention to the fins, as they can easily become clogged and restrict airflow.

Ignoring the importance of regular maintenance and cleaning:

  • Regular maintenance and cleaning of the evaporator coil are essential for efficient performance and longevity.
  • Schedule routine maintenance to prevent dirt buildup and ensure optimal airflow.
  • Neglecting regular cleaning can lead to reduced cooling efficiency and increased energy consumption.

Remember, using harsh cleaning agents can damage the coil, always turn off the power before cleaning, remove all dirt and debris, and prioritize regular maintenance and cleaning. By avoiding these common mistakes, you can keep your Goodman evaporator coil in excellent condition and ensure optimal cooling in your space.

How To Clean Goodman Evaporator Coil


Troubleshooting Common Issues With The Evaporator Coil

Keep your Goodman evaporator coil in top condition by troubleshooting common issues regularly. Learn how to clean the coil effectively to ensure optimal performance.

Ice buildup on the coil:

  • If you notice ice forming on your Goodman evaporator coil, it can be a sign of several issues:
  • Low refrigerant levels: Insufficient refrigerant can cause the coil to become too cold, leading to ice buildup.
  • Dirty air filter: A clogged air filter restricts airflow, causing the coil to become overly cold and freeze up.
  • Blocked airflow: Obstructed vents or registers can impede the proper flow of air, leading to ice formation on the coil.
  • Faulty blower motor: A malfunctioning blower motor can result in reduced airflow, causing the coil to freeze.

Reduced cooling efficiency:

  • When your Goodman evaporator coil is not operating at peak performance, it can result in reduced cooling efficiency, compromised comfort, and increased energy bills. Here are some possible causes to investigate:
  • Dirty coil: Over time, the coil can become coated with dust and debris, hindering heat transfer and causing diminished cooling efficiency.
  • Clogged condensate drain: If the condensate drain is blocked, it can cause water to back up and affect the performance of the coil.
  • Insufficient airflow: A malfunctioning blower motor or blocked vents can restrict the airflow across the coil, impeding its ability to cool efficiently.

Strange or loud noises coming from the HVAC system:

  • Hearing unusual noises from your HVAC system can be bothersome and may indicate an underlying issue with the evaporator coil. Consider the following possibilities:
  • Loose components: Vibrations or loose parts within the HVAC system can generate rattling or banging noises.
  • Blower motor problems: A malfunctioning blower motor can produce grinding or squealing noises.
  • Debris in the system: Dust, dirt, or debris within the HVAC system can create unusual sounds as air passes through.

Unusual odors or smells in the air conditioning:

  • Detecting unpleasant odors or unusual smells in your air conditioning system can be a sign of problems with the evaporator coil. Here are some potential culprits:
  • Mold or mildew growth: Moisture buildup on the coil can lead to the growth of mold or mildew, resulting in musty odors.
  • Dirty coil: Accumulated dirt and debris on the coil can emit unpleasant smells when the system is in operation.
  • Pest infestation: In some cases, pests or rodents can infiltrate the HVAC system and cause foul odors.

Regular maintenance and prompt troubleshooting are essential for maintaining the efficiency and longevity of your Goodman evaporator coil. By addressing these common issues, you can ensure optimal performance and enjoy reliable cooling throughout the summer months.

Frequently Asked Questions On How To Clean Goodman Evaporator Coil

Can I Clean My Evaporator Coil Myself?

Yes, you can clean your evaporator coil yourself to maintain its efficiency and performance.

How Do You Clean A Goodman Coil Unit?

To clean a Goodman coil unit, follow these steps: 1. Turn off the power supply to the unit. 2. Remove any debris or dust from the unit using a soft brush or vacuum cleaner. 3. Mix a solution of mild detergent and water.

4. Gently scrub the coils using a soft brush or cloth soaked in the detergent solution. 5. Rinse the coils thoroughly with water, making sure there is no soap residue left. 6. Allow the coils to dry completely before restoring power to the unit.

Can You Clean Evaporator Coil Without Removing It?

Yes, it is possible to clean the evaporator coil without removing it.

How Do You Clean Ac Evaporator Coils Yourself?

To clean AC evaporator coils yourself, follow these steps: 1. Turn off the AC and disconnect the power. 2. Remove the access panel to expose the coils. 3. Use a soft brush or vacuum to remove dust and debris. 4. Spray coil cleaner on the coils and let it sit for a few minutes.

5. Rinse the coils with water until clean. 6. Let the coils dry completely before turning the AC back on.


Keeping your Goodman evaporator coil clean is crucial for ensuring its optimal performance and preventing potential problems down the line. By regularly cleaning your evaporator coil, you can maintain the efficiency of your HVAC system, improve indoor air quality, and reduce energy consumption.

Remember to turn off the power before starting the cleaning process and use mild cleaning solutions to avoid damaging the coil. Regular maintenance, such as changing air filters and scheduling professional inspections, can also help extend the lifespan of your evaporator coil.

By following these simple steps and incorporating them into your regular maintenance routine, you can keep your Goodman evaporator coil clean and enjoy the benefits of a properly functioning HVAC system. Don’t forget, a clean coil leads to a comfortable and healthy indoor environment.

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