How to Clean Air Conditioner: Step-by-Step Guide [Easy Fix]


Keeping the air conditioner clean is essential for your home to remain comfortable and healthy. While most people know how important it is to clean their air conditioner’s filters, other crucial parts should be addressed. Neglecting these components can result in several problems, including decreased effectiveness, higher energy costs, and even health issues.

In this article, we’ll talk about the additional crucial components of an air conditioner that should be cleaned frequently for optimum performance and longevity. Understanding the value of appropriate air conditioning maintenance will help you avoid the future time, money, and hassle problems whether you’re a homeowner or a business owner.

How To Clean Air Conditioner

Tips For Preparing Your Air Conditioner For Cleaning:

Homeowners are preparing to turn on their air conditioners for another season of excellent comfort as the weather heats up. However, it’s crucial to check that your AC unit is clean and free of any debris before turning it on because these obstructions can make the system malfunction. Maintaining your home’s comfort system and ensuring it’s operating at its best requires regular air conditioner cleaning. 

The following advice will help you get ready to clean your air conditioner:

Turn off the Power:

Turning off the power is the first step in getting ready to clean your air conditioner. It is crucial to do this for both the unit’s and your safety. Find the circuit breaker that manages the power to the system in the electrical panel for your air conditioner, and turn it off.

Remove Debris:

It’s time to clean up any debris from the unit’s exterior after you have shut off the power. This includes any junk that may have accumulated on, in, or around the unit, such as leaves and twigs. Remove debris from the unit’s exterior using a soft cloth or a brush. Take care to avoid damaging the coils or fins.

Clean the Coils:

Cleaning the coils is the following step. The coils are in charge of taking the heat out of the air that moves through the appliance. The coils’ efficiency can be diminished over time by dust and other debris accumulation. Any dirt or debris can be removed from the coils using a soft brush or a vacuum. It might be necessary to use a coil cleaning solution if the coils are particularly grimy.

Check the Air Filter:

The air filter is a crucial component of your air conditioner. It is responsible for preventing dirt and other debris from entering the appliance. Check the air filter and replace it if it’s dirty. A dirty air filter can reduce the efficiency of your air conditioner and lead to higher energy bills.

Check the Drainage:

The drainage system is in charge of clearing the air conditioner’s condensation. See if there are any obstructions or clogs in the drainage system. Water can accumulate inside the appliance and harm the parts if the drainage system is clogged.

Schedule Professional Maintenance:

Finally, think about having your air conditioner professionally maintained. Your air conditioner can be thoroughly cleaned by a qualified HVAC technician, who can also look for potential problems. Your air conditioner can run more efficiently and more efficiently with regular maintenance.

How to Clean Air Conditioner Coils?

The overall performance of your air conditioning system depends heavily on the air conditioning coils. They may become soiled, clogged, and less effective, making your air conditioner work harder, consume more energy, and eventually fail. You should regularly clean your air conditioning coils to avoid this from happening. 

A step-by-step tutorial is provided below:

  1. Turn off the power supply: Turn off the power to your air conditioner before you start. This can be accomplished by turning the circuit breaker off or unplugging the appliance.
  2. Debris removal: Vacuum or use a soft-bristled brush to remove any loose dirt or debris from the coils’ surface. Avoid damaging or bending the coils’ fins because doing so could reduce their effectiveness.
  3. Apply a cleaning agent: Spray the coils with a specialized cleaning agent. Coil cleaning products are available at most hardware and home improvement stores. Use the recommended amount of solution and pay close attention to the manufacturer’s directions.
  4. Wait for the cleaner to start working: Let the cleaner sit on the coils for the time suggested. The length of time varies depending on the solution you’re using, but it usually lasts between 5 and 10 minutes.
  5. Rinse the coils: After giving the solution some time to take effect, provide the coils with a good, thorough rinse with clean water using a hose or spray bottle. To prevent potential harm to the unit, thoroughly rinse the solution from the coils.
  6. If necessary, repeat: You might need to go through the cleaning procedure more than once if the coils are filthy or clogged. 
  7. Dry the coils: After cleaning them, gently pat them dry using a dry cloth or towel. When drying the fins, exercise caution to avoid damaging them.
  8. Restart the power supply: Your air conditioner’s power supply can be restarted once the coils have been thoroughly cleaned and dried.

Regularly cleaning your air conditioning coils can help ensure your system operates efficiently and effectively. Your coils should be cleaned at least once a year, ideally just before the cooling season begins.

If you’re not comfortable cleaning the coils yourself or have a particularly large or complex air conditioning system, it’s best to hire a professional to do it for you.

Types Of Issues Brought On By Filthy Evaporators And Condenser Coils:

The proper operation of your AC unit depends heavily on the air conditioning coils. The evaporator coil, a part of the appliance, aids in removing moisture and heat from the air.

The condenser coil, located outside the appliance, aids in releasing the heat that the evaporator coil has absorbed. These coils can cause issues affecting how well your AC unit performs when dirty or clogged. 

The following are some of the most typical issues resulting from filthy evaporator and condenser coils:

  1. Reduced Cooling Efficiency: Dirty evaporator and condenser coils make it difficult for them to operate as efficiently as they should. Due to this, your air conditioner might have a hard time cooling your house, which will increase your energy costs and decrease your comfort.
  2. Frozen Evaporator Coil: The evaporator coil may freeze over if it becomes clogged with dirt and debris. Reduced airflow and, consequently, reduced cooling efficiency could result from this. Furthermore, if the frozen coil is not treated right away, it may seriously harm the compressor, which will cost money to fix or replace.
  3. Reduced Unit Lifespan: When your AC unit works harder to cool your home because the coils are dirty, the entire system may be stressed. This may result in premature wear and tear, which may result in an early failure of the device.
  4. Increased energy costs: Your air conditioner will use more energy to cool your home when working harder than it should. Higher energy bills may result from this, which may be a significant financial burden over time.
  5. Poor Indoor Air Quality: A dirty evaporator coil can be a haven for dangerous contaminants like mould and bacteria. The indoor air quality in your home could be negatively impacted by these contaminants, which could endanger the health of you and your family members.

The evaporator and condenser coils of your AC unit need to be cleaned frequently to prevent these issues. This will ensure that your air conditioner is operating as effectively and efficiently as possible while enhancing the air quality in your house.

Regular maintenance and cleaning can also help extend your AC unit’s lifespan, saving you money in the long run. Therefore, it’s time to arrange a maintenance appointment with a licensed HVAC technician if you last cleaned your AC coils a while ago.

What Is The Difference Between Evaporator And Condenser Coils?

Two of the most crucial parts of air conditioning systems are the evaporator and condenser coils. They cooperate to make the heat exchange process that enables air conditioning easier. While both coils are necessary for your AC system to operate correctly, they each serve a different purpose.

Your air conditioner’s air handler contains the evaporator coil, which is inside, and the condenser coil, which is outside. The copper or aluminum tubing used in both coils has fins attached to increase the surface area available for heat exchange. The coils, however, are made differently to accommodate their unique functions.

The evaporator coil in your home is in charge of extracting heat from the indoor air. Warm air passes over the cold evaporator coil, warming up the refrigerant inside, absorbing the heat, and evaporating. Your home’s cool, dry air results from the cooling and moisture removal process.

On the other hand, the condenser coil discharges the heat that the refrigerant has absorbed. Heat is released into the atmosphere as the hot refrigerant gas moves from the compressor to the condenser coil. The refrigerant is then cooled and returned to a liquid state to repeat the cycle.

The evaporator and condenser coils operate at various temperatures and pressures to cool and circulate air. The evaporator coil operates at a lower temperature and pressure, while the condenser coil operates at a higher temperature and pressure. The heat exchange process can occur because of this temperature and pressure difference.

Your air conditioner’s evaporator and condenser coils are both crucial parts, and their proper operation depends on keeping them clean and maintained. A dirty or clogged condenser or evaporator coil can result in several issues, such as decreased efficiency, higher energy costs, and even system failure.

Which Are The Other Most Important Parts Of An AC To Clean?

When cleaning your air conditioning system, you must be concerned with more than just the coils. Additional crucial components must be cleaned frequently to keep your AC operating correctly.

  1. Air Filters: Your air conditioner’s filters capture dust, dirt, and other airborne particles. Over time, these filters can become clogged and prevent air from flowing through your unit. This can cause your AC to work harder, leading to higher energy bills and even damage to your system. Depending on usage, cleaning or replacing your air filters at least once every 1-3 months is advised.
  2. Blower Motor: The blower motor is responsible for circulating the cooled air throughout your home. Over time, dust and debris can build up on the blower motor, which can cause it to slow down or even stop working altogether. Poor airflow and diminished cooling capacity may result from this. At least once a year should be enough time to clean and lubricate your blower motor.
  3. Condensate Drain: Your air conditioner’s condensate drain is in charge of eliminating extra moisture. Algae and other debris can accumulate over time in the drain and clog the pipe. Your home may sustain water damage, and mold growth is also possible. According to recommendations, your condensate drain should be cleaned at least once a year.
  4. Ductwork: Your home’s ductwork distributes the cooled air from your air conditioner to each room. The ductwork can accumulate dust, dirt, and other debris over time, reducing airflow and forcing your air conditioner to work harder than needed. A minimum of once every three to five years is advised for ductwork cleaning.

You can ensure that your air conditioning system is operating at its peak efficiency and giving you the cooling comfort you require during hot weather by cleaning these crucial components. 


The efficiency and longevity of an air conditioning system depend on regular cleaning. Several issues, including decreased cooling capacity, increased energy consumption, and even system failures, can be brought on by dirty evaporator and condenser coils.

These two elements, however, are not the only ones involved in the cleaning procedure. The air filter, blower fan, and drainage system are crucial components that require routine cleaning and maintenance. 

Using the tips and tricks described in this article, you can ensure that your air conditioner runs at peak efficiency and provides you with cool, clean air throughout the sweltering summer. So take care of your system and enjoy its comfort by not skipping AC maintenance!

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