Your heat pump is one of the most important appliances in your home, keeping you warm in winter and cool in summer. However, to keep your heat pump functioning at its best, it’s essential to maintain its coils. Neglecting them can lead to reduced efficiency, increased electricity bills, and eventually catastrophic system failure. In this article, we’ll share some simple and effective tips on how to clean your heat pump coils, so you can keep your home comfortable and energy-efficient all year round.

1. Understanding the Importance of Regular Heat Pump Coil Cleaning

How To Clean Heat Pump Coils

Heat pump coils play a crucial role in the functioning of your heating and cooling system, as they help transfer heat in and out of your home. Over time, heat pump coils can become dirty and clogged with debris, which can cause a range of problems, including reduced efficiency and increased energy bills. That’s why it’s important to regularly clean your heat pump coils to keep them in good working condition.

But why exactly is regular heat pump coil cleaning so important? Here are some key reasons:

  • Better efficiency: Dirty coils can reduce the efficiency of your heat pump, meaning it won’t work as well as it should. This can lead to longer running times and higher energy bills.
  • Longer lifespan: Regular cleaning can help prolong the lifespan of your heat pump, as dirty coils can put extra strain on the system and cause it to wear out more quickly.
  • Better air quality: When heat pump coils are dirty, they can harbor bacteria, mold, and other allergens, which can be circulated into your home and affect your indoor air quality. Regular cleaning can help prevent this.

As you can see, regular heat pump coil cleaning is essential for keeping your heating and cooling system working effectively and efficiently. Now let’s take a look at the tools you’ll need to get started.

2. Tools You’ll Need for Cleaning Your Heat Pump Coils

Before diving into the process of cleaning your heat pump coils, it’s important to gather all the necessary tools and equipment to make the job easier and efficient. Some of the tools required for cleaning heat pump coils include:

1. Safety Equipment:

Always prioritize your safety while working with electrical equipment. Wear gloves, safety glasses, and a mask to protect yourself from any harmful substances and fumes.

2. Screwdriver:

A screwdriver will come in handy when removing the panels and covers of your heat pump unit.

3. Soft Bristle Brush:

A soft-bristled brush will help remove dirt and debris from the surface of your heat pump coils without causing any damage.

4. Fin Comb:

The fin comb is essential for straightening any bent fins on the coils. Bent fins can restrict airflow and reduce the effectiveness of your heat pump.

5. Vacuum Cleaner:

A vacuum cleaner equipped with a soft-bristled attachment can aid in removing any debris or dust from the coils.

6. Coil Cleaner:

Lastly, choose a coil cleaner that is specifically designed for cleaning heat pump coils. Avoid using harsh chemicals or acidic solutions that can cause damage to the coils.

By gathering these required tools, you can more effectively and efficiently clean your heat pump coils to ensure they function optimally. Remember, always exercise caution while working with electrical equipment and wear the necessary safety gear to prevent any harm.

3. Step-by-Step Guide to Cleaning Heat Pump Coils Effectively

Cleaning your heat pump coils is essential to maintain the system’s efficiency and keep the air quality in your home healthy. Here’s a :

Step 1: Turn off Your Heat Pump – Before starting the cleaning process, turn off your heat pump to avoid any potential hazards.

Step 2: Remove the External Debris – Use a brush or vacuum cleaner to remove any visible debris or dirt on the external surface of the heat pump unit. Remove any twigs, leaves, or grass clippings that may have accumulated.

Step 3: Open the Heat Pump Unit – Open the heat pump unit carefully. Make sure to consult your heat pump manual before attempting to open it. Look for the heat pump coils to begin cleaning them.

Step 4: Clean the Coils – Gently clean the coils by using a soft-bristled brush or vacuum attachment. Take extra care and be gentle when cleaning the fins as they can easily bend or break. Avoid applying too much pressure and never use sharp tools, as they can cause damage to the coils.

Step 5: Spray the Coils with a Cleaning Solution – To ensure a thorough cleaning, spray the coils with a cleaning solution. Different cleaning solutions are available in the market. You can choose the best one suitable for your heat pump. Wait for a few minutes to allow the solution to penetrate the coils.

Step 6: Rinse the Coils with Water – After the cleaning solution has settled on the coils, rinse it with water thoroughly. Make sure to clean the coils properly to avoid leaving behind any residue.

Step 7: Dry the Coils – Once you have cleaned the coils and rinsed them using water, allow them to dry completely before closing the heat pump unit. Use a clean cloth or towel to dry the coils.

By following these steps, you can effectively clean the heat pump coils and maintain the efficiency of your heat pump system. Regularly cleaning the coils will help the heat pump run smoothly and reduce energy costs. You can follow this guide to clean heat pump coils twice a year to keep your home comfortable year-round.

4. Tips for Keeping Your Heat Pump Coils in Great Condition

Regular cleaning is an essential aspect of maintaining the performance and longevity of your heat pump coils. However, there are additional steps you can take to ensure that these coils are in great condition throughout the year. Here are some tips to help you keep your heat pump coils in great condition:

1. Keep the Outdoor Unit Free of Debris: The outdoor unit of your heat pump is vulnerable to leaves, dust, and debris that can accumulate around the unit. It is important to clean around the unit regularly to prevent leaves and debris from getting into the coils and causing damage.

2. Change the Air Filters Regularly: Heat pumps rely on air filters to keep the air in your home clean and to prevent debris from getting into the coils. It is essential to change these air filters regularly to ensure that they don’t become clogged and impede airflow.

3. Use Proper Landscaping: The positioning and landscaping around your heat pump can affect its performance. Ensure that the heat pump unit is clear of bushes or vegetation, which can obstruct the airflow.

4. Schedule Professional Maintenance: While you can perform basic maintenance on your heat pump coils, it is best to schedule regular professional maintenance. A qualified technician can conduct regular inspections and cleanings to ensure that your heat pump is working efficiently.

By following these tips, you can help ensure that your heat pump coils are in great condition and your system is working correctly. Remember, regular maintenance is key to a well-functioning heat pump.

5. Common Mistakes to Avoid When Cleaning Heat Pump Coils

How To Clean Heat Pump Coils

Cleaning your heat pump coils is essential to ensure they are free from dirt, debris, and other contaminants that can impact its efficiency and lead to several issues like high energy bills or a breakdown. However, when cleaning heat pump coils, there are some mistakes you must avoid to prevent damages to the equipment.

1. Using the Wrong Type of Cleaner
One of the most common mistakes people make when cleaning heat pump coils is using the wrong type of cleaner. Avoid using harsh chemicals or cleaners that can cause corrosion or damage to the coils. Instead, use a manufacturer-approved cleaning solution that is designed for cleaning heat pump coils.

2. Using a High-Pressure Washer
Another common mistake is using a high-pressure washer to clean the coils. While high pressure may seem like a great way to get rid of stubborn dirt and debris quickly, it can do more harm than good. The high pressure can bend and damage the coils, leading to costly repairs down the line.

3. Neglecting Other Essential Components
Many people focus only on cleaning the coils and neglect other essential components like the drain pan, fan blades, and blower. Neglecting these components can impact the overall performance of the heat pump and lead to frequent breakdowns. Therefore, make sure to clean all components of your heat pump thoroughly.

By avoiding these common mistakes when cleaning your heat pump coils, you can ensure that your unit works efficiently and lasts longer. Remember to follow the manufacturer’s instructions carefully, and if you are unsure about any aspect of the cleaning process, seek the help of a professional.

6. When to Call in a Professional for Heat Pump Coil Cleaning

While regular cleaning of your heat pump coils is crucial to maintaining the efficiency of your system, there may come a time when it’s best to call in a professional. Here are a few instances when you should consider hiring an expert:

  • System performance is declining: If you’ve noticed that your heat pump’s effectiveness has decreased, it could be a sign that your coils are overdue for a deep clean. A professional can diagnose the root cause of the issue and provide a thorough cleaning to get your system back in shape.
  • You have mold or mildew growth: If your heat pump coils are showing signs of mold or mildew growth, it’s best to leave the cleaning to a professional. This type of growth can be harmful to your health, so it’s important to have a trained technician properly clean and sanitize the coils.
  • Your heat pump is still under warranty: If your heat pump is still under warranty, attempting to clean the coils yourself could void the warranty. In this case, it’s best to leave the cleaning to a professional who is experienced in working with your particular brand and model of heat pump.

When choosing a professional to clean your heat pump coils, make sure to do your research and select a reputable and experienced company. Look for reviews from previous customers and ensure that the company is licensed and insured. A qualified technician will have the tools and knowledge to effectively clean your coils and get your heat pump running at its best.

7. Maintenance Schedule for Keeping Your Heat Pump Running Efficiently

Regular maintenance is important to ensure that your heat pump is running at its optimal efficiency. Here are some maintenance tasks that should be performed on a regular schedule:

Monthly Maintenance

– Check and clean or replace air filters if necessary. A dirty air filter can restrict airflow and decrease the efficiency of your heat pump.

Quarterly Maintenance

– Check and clean the outdoor unit. Remove debris such as dirt, leaves, and grass clippings from around the outdoor unit to ensure proper airflow. Make sure the coils are clean and free of debris.
– Check the refrigerant levels. Low refrigerant levels can cause your heat pump to work harder, resulting in higher energy bills.

Bi-Annual Maintenance

– Clean the evaporator coils. Dirty evaporator coils can decrease the efficiency of your heat pump. Use a soft brush or cloth to gently clean the coils. Avoid using harsh chemicals that can damage the coils.
– Check the blower motor and belts. Make sure they are clean and in good working condition.

Annual Maintenance

– Call in a professional to perform a comprehensive inspection. A professional can inspect the entire system, identify any potential issues, and perform any necessary repairs or maintenance.

By following a regular maintenance schedule, you can extend the life of your heat pump, reduce energy costs, and ensure that your home stays comfortable all year long.

People Also Ask

Why should I clean heat pump coils?

Cleaning heat pump coils is essential to maintain the efficiency of your unit. The coils can collect dirt, dust, and debris over time, which can cause the system to work harder and consume more energy. Regular cleaning can also prevent costly repairs.

How often should I clean the coils?

It is recommended to clean heat pump coils at least once per year. However, if you live in a dusty or polluted area, you may need to clean them more often. Additionally, if you notice reduced airflow or performance, it may be time for a cleaning.

What tools do I need to clean heat pump coils?

To clean heat pump coils, you will need a coil cleaner solution, a soft-bristle brush, a spray bottle, a garden hose, and a vacuum cleaner. It is important to wear gloves and eye protection while cleaning.

Can I clean heat pump coils myself?

Yes, you can clean heat pump coils yourself if you feel comfortable and have the necessary tools. However, if you are unsure or feel uncomfortable, it is best to hire a professional.

What are the benefits of cleaning heat pump coils?

Cleaning heat pump coils can improve the efficiency and lifespan of your unit, reduce energy consumption, and prevent major repairs. It can also improve indoor air quality and maintain optimal temperature and comfort levels in your home.


Regularly cleaning heat pump coils is crucial for maintaining the efficiency and longevity of your unit. It can also prevent costly repairs and improve indoor air quality. With the right tools and safety precautions, you can easily clean the coils yourself or hire a professional for the job.