Aircon Chemical Wash and Chemical Overhaul Singapore

Aircon Chemical Wash

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Affordable Aircon Chemical Wash & Chemical Overhaul in Singapore

Air conditioning units are essential for maintaining a comfortable indoor environment in Singapore's hot and humid climate. However, over time, air conditioning units can become clogged with dirt, dust, and other contaminants, reducing their efficiency and effectiveness. This is where aircon chemical wash comes in.

If your aircon is not cooling, smells bad or has got mold, get a chemical wash for your aircon.

What is Chemical Wash or Chemical Cleaning of Aircon?

Aircon chemical wash is the process of detailed cleaning or your aircon with the use of special chemical for deep cleansing. Over time, aircon units tend to accumulate dirt, dust, mold, and other contaminants, which can compromise their efficiency and affect indoor air quality. Chemical wash requires dismantling of the unit and cleaning the evaporator coil, condenser coil, and other components with chemicals that break down and remove the contaminants. Blockages and clogs are removed by flushing and cleaning the drain pans and drainage pipes. It is recommended to do an aircon chemical wash at least once a year for optimal cooling effect, air quality and lifespan of your aircon.

aircon bacteria

What is Aircon Chemical Overhaul?

Aircon chemical overhaul is a comprehensive and in-depth cleaning process that involves disassembling the air conditioning unit and cleaning each internal component thoroughly with specialized chemical solutions. When your aircon is not cooling well, is leaking water or the air smells bad, we recommend to carrying out an aircon overhaul.

We recommend Chemical Overhaul as it provides a more advanced and extensive cleaning technique if germs are your concern. However, it can also cost more than basic Chemical wash.

Aircon Chemical Wash vs Chemical Overhaul

remove germs with aircon chemical wash

Often people get confused with these terms and what do they mean in terms of cleaning and expenses.

Chemical wash is the process of cleaning aircon unit filters, evaporator coils and drain pan using a chemical solution. It is used to kill harmful fungus and bacteria growing in your aircon.

A chemical overhaul is advanced chemical wash where the entire aircon unit is dismantled and the cleansing is quite extensive and more effective.

Aircon Chemical Wash Price

As per our analytics research data, dated 9th January 2022, chemical wash for one aircon unit can cost between $75 to $100 in Singapore. While most Singapore residents pay an average cost of $86 for chemical wash of one aircon unit, at StringsSG you can get the cheapest aircon chemical wash. Our price becomes dramatically cheaper when you request chemical wash for more than one aircon unit, because of the attractive discounts. Here is what our price list looks like for chemical wash.

No. of AirconsCost
1 UnitSGD 75.16
2 UnitSGD 146.57
3 UnitSGD 201.06
4 UnitSGD 255.56
5 UnitSGD 311.37
more than 5Open request for pricing

Aircon Chemical Overhaul Price

Chemical overhaul for one aircon unit can cost between $120 to $140 in Singapore. StringsSG offers the cheapest chemical overhaul. Get attractive discounts when you request chemical overhaul for more than one aircon unit, because of the attractive discounts. Here is what our price list looks like for chemical wash.

No. of AirconsCost
1 UnitSGD 122.36
2 UnitSGD 238.60
3 UnitSGD 329.54
4 UnitSGD 422.92
5 UnitSGD 516.30
more than 5Open request for pricing

It is better to choose Chemical overhaul as it provides a better value for money for the reasons we highlighted above. Here is a complete price chart for Chemical wash and Chemical Overhaul.

Chemical Wash Process By Professional

Here are the steps for aircon chemical cleaning

1. Inspection and Preparation

Technician checking the aircon unit
Technician checking the aircon unit

The technician will inspect the air conditioning unit to determine the extent of cleaning required. They will then prepare the area by covering the furniture and flooring to protect them from any potential mess.

2. Disassembly

The technician will turn off the aircon unit and begin disassembling it to gain access to the internal components that require cleaning. This usually involves removing the air filter, front panel, and other parts.

3. Chemical Application

Washing aircon after chemical wash
Washing aircon after chemical wash
The technician will apply a specialized cleaning solution to the evaporator and condenser coils, fan blades, and other internal components of the aircon unit. This solution is designed to break down and remove the dirt, dust, and other contaminants that have accumulated over time.

4. Drainage System Cleaning

The technician will also clean and flush the drainage system to ensure that it is free from clogs and blockages, which can lead to water leaks and other issues. Additional charges may apply for this, please check with technician.

5. Outdoor Condenser Cleaning

AC condenser cleaning with jet spray
AC condenser cleaning with jet spray are additionally charged

The outdoor condenser unit is the primary supply of electricity and cooling to the indoor units. The technician will clean the condenser with brush and vacuum. A regular servicing of the condenser will ensure better durability of the condenser.

6. Monitor Refrigerant Gas Level

Refrigerant gas acts as the cooling agent for the aircon, if the gas level is too low or empty there may be no cooling effect. The technician will use a device to check the gas level and inform you if it needs a refill.

7. Reassembly and Testing

Technician assembling the aircon unit
Technician assembling the aircon unit after chemical wash

After the cleaning process is complete, the technician will reassemble the aircon unit, install a new air filter, and test its performance to ensure that it is running smoothly and efficiently.

Aircon chemical wash is a thorough and effective cleaning process that can help to improve the performance and lifespan of an air conditioning unit. It is recommended to have it done at least once a year to maintain optimal performance and indoor air quality.

Additional Process for Chemical OverHaul

These steps will be followed for Chemical Overhaul

1. Dismantle the entire unit

technician dismantle the ac unit
In a chemical overhaul, the technician will completely dismantle the entire unit from the wall and separate each component of the aircon.

2. Thorough Cleaning with Chemical

Each component of the aircon unit will be thoroughly cleaned with chemicals to ensure there is no leftover dirt or mold.

3. Lubrication of fan bearings

There may be a need to lubricate the bearings after a chemical overhaul.

4. Reinstallation of the Aircon unit

After the cleaning is complete, the technician with put back the components to their position and place back the unit on the wall.

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Illustration video on the steps involved in aircon chemical wash in Singapore

How to perform Aircon chemical wash yourself - DIY?

Performing an aircon chemical wash yourself can be a complex and potentially dangerous task, as it involves handling chemicals and working with electrical equipment. It is generally recommended to hire a professional technician to perform this task, as they have the necessary expertise and equipment to do it safely and effectively. However, if you still wish to proceed with a DIY approach, here are some general guidelines to consider:

1. Safety precautions

Before starting any work, ensure that you have the appropriate safety equipment, such as gloves, goggles, and a mask, to protect yourself from chemicals and dust.

2. Turn off the power

Before working on your air conditioner, make sure to turn off the power supply at the circuit breaker to avoid any electrical accidents.

3. Clean the exterior

Begin by cleaning the exterior of the air conditioner. Use a damp cloth or sponge to wipe away dust and dirt from the surface. Be cautious not to damage any components or fins.

4. Remove the filter

cleaning aircon filter
You can clean the filter using biget spray in the bathroom

Take out the air filter and clean it separately. You can wash it with water and mild detergent, then allow it to dry completely before reinstallation.

5. Clean the evaporator coils

dirty aircon evaporator coil
Dirty evaporator coil like this would need chemical wash

The evaporator coils are usually located inside the air conditioning unit. Carefully remove the panel covering the coils, ensuring you don't damage any components or wiring. Use a coil cleaner specifically designed for air conditioners and follow the instructions on the product. Typically, you would spray the cleaner onto the coils and let it sit for a few minutes to dissolve dirt and debris. Then, rinse it off thoroughly with water. Take caution not to spray water directly on electrical components.

6. Clean the condenser unit

The condenser unit is typically located outside the building or in a well-ventilated area. Use a hose or pressure washer to gently clean the condenser coils and fins. Be cautious not to bend or damage the delicate fins.

7. Clear the drainage system

Check the condensate drainage system for any blockages. Use a brush or pipe cleaner to clear any debris from the drainpipe and ensure that water can flow freely.

8. Reassemble and test

Once you have completed the cleaning process, reassemble the unit, including the air filter, panels, and any other components you removed. Restore power to the air conditioner and test its operation to ensure everything is functioning correctly.

Remember, DIY aircon chemical washes are not recommended due to the potential risks involved. It's advisable to seek professional assistance to ensure proper cleaning and maintenance of your air conditioning system.

Advantage and Disadvantages of Chemical Cleaning

Aircon chemical servicing in Singapore has its advantages and disadvantages:

Advantages:

1. Thorough cleaning: Chemical servicing involves dismantling the aircon unit and cleaning each internal part with chemical solutions. This provides a much more thorough cleaning than regular maintenance servicing.

2. Improved cooling performance: After chemical servicing, your aircon unit will perform more efficiently and effectively, which translates to better cooling performance.

3. Longevity: Regular chemical servicing can help extend the lifespan of your aircon unit by preventing corrosion and other forms of damage.

4. Improved air quality: Chemical servicing removes bacteria, mold, and other pollutants from the aircon unit, resulting in cleaner and healthier air quality.

Disadvantages:

1. Cost: Chemical servicing is more expensive than regular maintenance servicing due to the additional steps involved and the expensive chemicals used.

2. Time-consuming: Chemical servicing is a more time-consuming process compared to regular maintenance servicing, as the technician needs to disassemble the unit and clean each component.

3. Risk of damage: The use of chemicals during the servicing process can potentially damage the aircon unit if not done correctly by a professional technician.

4. Health risks: Chemicals used in the aircon chemical servicing process can pose health risks if inhaled or come in contact with the skin, making it important to ensure proper safety measures are in place during the process.

Which chemicals are used in aircon chemical wash?

An aircon chemical wash and chemical overhaul includes the use of specialized chemicals. Some of the chemicals that may be used during an air conditioning chemical overhaul include::

Alkaline coil cleaners:

These are strong, caustic solutions that are used to remove dirt, grime, and other contaminants from the evaporator and condenser coils. Alkaline coil cleaners are typically used for heavily soiled coils.

Acidic coil cleaners:

These are acidic solutions used to remove mineral deposits and other hard-to-remove buildup from the coils. Acidic coil cleaners are typically used for coils that have been exposed to hard water or other minerals.

De-scalers:

These are chemicals that are used to remove mineral deposits and scale buildup from the cooling system's water lines and components. De-scalers typically contain an acidic solution that dissolves the minerals and scale, allowing them to be flushed from the system.

Rust inhibitors:

These are acidic solutions used to remove mineral deposits and other hard-to-remove buildup from the coils. Acidic coil cleaners are typically used for coils that have been exposed to hard water or other minerals.

Biocides:

Biocides are chemicals used to kill bacteria, mold, and other microorganisms that may grow inside the air conditioning system. Biocides may be used as part of a chemical wash or overhaul to disinfect the system and prevent future growth of harmful microorganisms.

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