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How long does an aircon servicing take?

Author: Brindha SEO
by Brindha SEO
Posted: Mar 24, 2025

Aircon Servicing Duration

When it comes to living in a tropical climate like Singapore’s, air conditioning is not a luxury—it’s a necessity. Whether at home, in the office, or in commercial spaces, aircon units run almost daily to keep indoor environments cool and comfortable. However, regular usage leads to wear and tear, dust buildup, and decreased efficiency over time. That’s where professional aircon servicing comes in.

One of the most common questions we get at LetsCool Aircon and Services Singapore is: "How long does an aircon servicing take?"

In this article, we will walk you through the time it takes for different types of aircon servicing, the factors that may affect the duration, and why investing time in proper servicing is essential. View more.

Types of Aircon Servicing and Their Duration

The duration of aircon servicing largely depends on the type of service being performed. Here’s a breakdown of the most common types of aircon services we provide at LetsCool:

1. General Aircon Servicing (Basic Cleaning)

Duration: 30 to 45 minutes per unit

This is the most basic and routine type of aircon maintenance. It includes:

  • Cleaning or washing of air filters

  • Wiping of blower and fan coil

  • Clearing drainage pipes to prevent blockages

  • Checking refrigerant levels

  • Inspecting overall system condition

If you have a single-unit (System 1) aircon, expect the entire process to take around 30 to 45 minutes. For multi-split systems like System 2, 3, or 4, you’ll need to account for additional time—roughly adding another 30 minutes per unit.

2. Chemical Wash (Standard Chemical Cleaning)

Duration: 1 to 1.5 hours per unit

If your aircon has not been serviced regularly or if it’s blowing warm air, a chemical wash might be necessary. This process involves:

  • Dismantling key components like fan coil units

  • Cleaning each part with chemical solutions to remove stubborn dirt, mold, and debris

  • Flushing the drainage pipe

  • Reassembling and testing the unit

Chemical washes take longer because of the detailed cleaning involved. On average, one unit may require about 1 to 1.5 hours.

3. Chemical Overhaul

Duration: 2 to 3 hours per unit

At LetsCool Aircon and Services, we also offer in-depth chemical overhaul services. This is a more comprehensive version of the aircon chemical wash, ideal for older units or those that have major performance issues.

Steps involved:

  • Complete dismantling of the aircon unit

  • Intensive cleaning of condenser coils, evaporator coils, blower wheels, filters, and drainage trays

  • Flushing all internal components with chemicals

  • Lubrication of fan bearings

  • Aircon Gas top-up if needed

  • Reassembling, testing, and ensuring optimal function

Given the thorough process, chemical overhauls typically take 2 to 3 hours per aircon unit. However, the long-term benefits of restoring the aircon’s cooling performance and energy efficiency are well worth the time invested.

4. Gas Top-Up

Duration: 15 to 30 minutes per unit

If your aircon isn’t cooling effectively, it might be low on refrigerant gas. Topping up the refrigerant takes around 15 to 30 minutes, depending on the type of gas (R22, R410A, or R32) and system size. Our technicians at LetsCool always conduct a thorough inspection to ensure no gas leakage before refilling.

Factors That Can Affect Aircon Servicing Time

While we’ve outlined average timeframes, several factors may influence how long your aircon service will take:

1. Number of Units

The more aircon units in your property, the longer the overall servicing time. Multi-split systems naturally require additional time compared to a single-unit setup.

2. Condition of the Unit

Well-maintained air conditioners are faster to service compared to neglected ones. Units with clogged filters, excessive dirt buildup, or mold require extra effort and time.

3. Type of Aircon

The type of system (e.g., wall-mounted split aircon, centralized aircon, VRV/VRF systems) also plays a role. Complex systems take longer to dismantle, clean, and test.

4. Accessibility

If the aircon unit is installed in a hard-to-reach spot (e.g., high ceilings, tight corners), technicians may require more time to safely access and service the unit.

Why Invest the Time in Regular Servicing?

You may wonder: Is aircon servicing worth the time and effort?

Here’s why it is:

1. Improved Cooling Efficiency

Clean aircon units perform better, providing faster and stronger cooling.

2. Lower Energy Bills

A dirty aircon consumes more energy. Regular maintenance keeps it running efficiently, saving you money in the long run.

3. Healthier Indoor Air

Servicing removes dust, bacteria, and mold, ensuring the air you breathe is clean and healthy.

4. Prolonged Lifespan

Timely maintenance prevents breakdowns and extends the life of your unit.

Why Choose LetsCool Aircon and Services Singapore?

At LetsCool Aircon and Services, we’ve built a strong reputation as one of Singapore’s most trusted aircon service providers. Here’s what sets us apart:

  • 25+ years of experience in the industry
  • Well-trained, professional technicians
  • Comprehensive range of services: General Servicing, Chemical Wash, Overhaul, Steam wash, Gas top-up, Installation & Repair
  • Support for all major aircon brands like Mitsubishi, Daikin, Panasonic, Midea, Hitachi, York & more
  • Transparent pricing with no hidden charges
  • Fast, efficient, and reliable service across Singapore

We understand that your time is precious. That’s why we strive to offer prompt appointments and efficient service without compromising on quality.

Final Thoughts

So, how long does an aircon servicing take?

The answer depends on the type of service and the condition of your unit. On average:

  • General Servicing: 30-45 minutes per unit

  • Chemical Wash: 1 to 1.5 hours per unit

  • Chemical Overhaul: 2 to 3 hours per unit

  • Gas Top-Up: 15-30 minutes per unit

While it may seem like a small time investment, regular aircon servicing saves you from costly repairs, high energy bills, and discomfort.

Need your aircon serviced today?

Contact LetsCool Aircon and Services Singapore at +65 9862 3678 or book your appointment online. Experience hassle-free, reliable aircon care with us!

11 Mandai Estate,

#05-15 Eldix,

Singapore 729908

Mail id: info@letscoolaircon.com.sg

Call: +65 9862 3678 (or) WhatsApp us: https://wa.me/6598623678

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About the Author

BrindhaSEO is a passionate content writer with a knack for crafting engaging and informative articles. With a background in digital marketing,

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Author: Brindha SEO

Brindha SEO

Member since: Jun 05, 2024
Published articles: 167

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