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Mitsubishi Air Conditioning Units

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Daikin Air Conditioning Units

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338's Aircon Replacement

Before we conduct any replacement, we will do a site visit first to gather information about your location and assess its safety, identify potential hazards, and ensure compliance with safety regulations to prevent any potential problems.

Rest assured, our professional technicians will advise our customers on the best AC unit for their space.

Please note that the total cost of replacement will vary based on whether any of the existing pipes, bracket, powerpoint and isolator need to be replaced after inspection.

15 years of experience in Singapore aircon installation

Our Expert Aircon Replacement Services is the Preferred Choice for Singapore Homes

our expert aircon installation services


cheap aircon installation in Singapore

Our client-centric business model allows us to be the most competitively priced in Singapore, working with your budget to meet your aircon needs.


15 years of experience

338 Aircon is an authorized distributor of brands such as Daikin & Mitsubishi. With an assurance of well-known global brands, Aircon 338 should certainly be your preferred option.


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Our expert technicians have a minimum of 15 years experience with various aircon brands, meaning we only need 1 trip to complete the job!



Stay on top of your air conditioner servicing schedule and enhance the lifespan of your aircon system with our handy, cost-effective cleaning package.


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Our services are supported digitally, from invoices to contracts. No more misplacing important paperwork!


5 years warranty

These parts of your air conditioning unit are covered by the manufacturer: Fan Coil Unit (FCU): 1 Year, Condensing Unit (CU): 5 Years


1 year installation warranty

Facing problems after your air conditioning installation? You're covered by our 1-year warranty - just contact our excellent customer service team!


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On top of our affordable prices, 338 Aircon also offers promotions regularly. By taking advantage, you can save more while having your equipment installed or serviced.

We Prioritise Your Needs & Convenience

0% Interest Instalment Plan

Pay your aircon installation off over 3 months with Atome!


We Prioritise Your Needs & Convenience

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Singapore's Highest Google-Reviewed Air Conditioning Services

Google Reviews


Sengkang 4-Rm HDB

Was very satisfied with my aircon installation. Installation team was professional and explained the different steps when installing. Aircon is very cold and quiet, very powerful.

Thunder Bolt

Mr Lee

Tampines HDB EA

Good price and value for money. Installation was done within a day and rubbish from installation was packed and thrown away by installation guys. Will recommend you all to my friends and family next time.

Mr Lee

Hao Jie

Redhill 3-Rm HDB

Very fast installation from when i book to when the aircons are installed finish. Company gave us 5 years warranty for the service so we know if anything we will not need to bear additional costs for replacement. Good job!

Hao Jie
Good Job

Get the Perfect AC Replacement
for Your Home with 338!

AC Installation

WhatsApp Our Air Conditioner Experts Today and Get:

  • Tailored advice for the most suitable aircon unit for your space and lifestyle

  • The best new aircon replacement price in Singapore

  • FREE upgrades of aircon parts when you purchase a Mitsubishi AC unit with us

  • Professionally installed air conditioning system in just ONE trip

What to Look Out for When Getting an Aircon Replacement Done

Replacing your ac unit can seem like a big task, but it doesn’t have to be stressful. Knowing what signs to look out for and what steps to take can make the process much smoother. Pay attention to whether your aircon is no longer cooling effectively or making unusual noises. These are often clear signs that a replacement may be needed.


You should consider the age of your unit. Most aircon units last about 10 to 15 years, so if yours is within that range, it might be time to start thinking about a new one. Checking the electrical loading and ensuring it matches your new air conditioning system unit’s requirements is also key to a successful installation.


Don't forget to look for extra aircon services and offers that come with the installation. Some providers include maintenance packages or upgrades, which can save you money in the long run (aircon installation tips). Taking advantage of these can enhance your overall experience and ensure your new aircon unit works optimally.

Understanding Aircon Replacement

Replacing your air conditioning unit can be a big decision. Recognizing the signs that you need a new unit and knowing the types available can help you make the best choice for your home.

Signs You Need a New Aircon

There are some telltale signs that it's time to replace your aircon system. If your unit is over 15 years old and requires frequent repairs, it's likely time for a new one. Older units can also become inefficient, leading to higher energy bills.


If your air conditioning system struggles to cool the room or makes excessive noise, these are other indicators. Additionally, units using outdated refrigerants may need replacement due to environmental regulations. High humidity levels in your home can also signal it's time for a change.

Types of Air Conditioners

When shopping for a new aircon, you have several options. Window units are cost-effective and easy to install, making them a popular choice for single rooms. Split air conditioners provide a quieter and more efficient way to cool larger spaces, with separate indoor and outdoor units.

Portable air conditioners offer flexibility, as you can move them from room to room. For whole-house cooling, central air conditioning systems are the most efficient. They require professional aircon installation services to connect to your home's ductwork, providing consistent cooling throughout.

Each type has its benefits and drawbacks. It's essential to consider your specific needs and budget to choose the best air conditioner for your home.

Selecting the Right Aircon Model

Choosing the right aircon model involves checking your room size, considering energy efficiency, and researching various brands and models.

Assessing Your Space

Before selecting an aircon model, consider the size of the room you want to cool. Measure the area in square feet to determine the required BTU (British Thermal Unit) rating.

Rooms around 150 square feet typically need an aircon with 5,000 BTUs, while larger spaces up to 700 square feet might require 14,000 BTUs. Using the right BTU rating ensures efficient cooling and avoids energy wastage.

Energy Efficiency Considerations


Energy efficiency is a crucial factor when choosing an aircon model. Look for units with a high Energy Efficiency Ratio (EER) or Seasonal Energy Efficiency Ratio (SEER). These ratings are found on the unit’s label. Higher ratings mean better energy savings.


Additionally, check if the aircon has an Energy Star certification. This indicates that the model meets strict energy efficiency guidelines set by the government. 

Brand and Model Research


Researching different brands and models is essential. Quality brands often mean better durability and performance. Look for reviews and ratings online to get feedback from other users.


Compare features such as noise levels, smart functionalities, and maintenance requirements. Investing in a reputed brand might cost more initially but can save you money in the long run with fewer aircon repair and longer lifespan. 

Taking these steps will help you find the best aircon model for your needs, ensuring comfort and efficiency in your space.

Hiring a Qualified Installer

When it comes to replacing your aircon, getting a qualified installer is key. Here are a few tips to help you choose the best professional for the job.

Check Their Credentials

Make sure the installer has the right qualifications and certifications. BCA-trained and experienced technicians are a good choice. This ensures they are skilled and follow safety standards.

Experience Matters

Look for someone with a lot of experience for full replacement. An experienced installer will know how to handle different brands and types of aircon units. This can save you time and money in the long run.

Check online reviews and ask for customer references. Past clients can give you an idea of the installer's reliability and quality of work. Positive reviews are a good sign.


Compare Quotes

Get quotes from several installers to compare prices. Don't just go for the cheapest option. Make sure the quote includes all costs like installation, materials, and any extra services.

Ensure Proper Licensing

Make sure the installer has the necessary permits. In Singapore, some jobs might require an HDB permit. Do your due diligence to avoid any legal issues later on.

Ask About Their Tools and Equipment

A qualified installer will have the right tools for the job. This can make a big difference in the quality of the installation. Ask if they use modern tools and technologies for better results.

Preparation for Installation

Proper preparation is crucial for a smooth aircon installation. You need to schedule the installation carefully and make sure the space is ready for the new air conditioning unit.

Scheduling the Installation


First, contact the installation service to set a date and time that works best for you. Choose a time when you can be present to ask any questions and ensure everything goes as planned.


It's also smart to schedule the installation during regular business hours. This way, you'll have access to full support in case any issues arise. Confirm the appointment the day before to avoid any last-minute changes.


Prepare a list of any specific requirements or concerns you have. Share this list with the installer beforehand so they can plan accordingly. Good communication can prevent unexpected delays.

Preparing the Space


Clear the area where the air conditioner will be installed. Remove any furniture, decorations, or obstacles that might be in the way. This gives the installers enough room to work and helps avoid accidents.


Ensure that the installation site is clean. Dust and debris can interfere with the installation process and the air conditioner's performance. Wipe down surfaces and vacuum the area to keep it tidy.


Check that the walls and surfaces where the units will be mounted are stable and can support the weight. If you're installing a split aircon, make sure both the indoor and outdoor units have proper space.


For indoor units, the area should be close to a power source and have good air circulation. For the outdoor unit, ensure it is on a stable, level surface away from direct sunlight.


By following these steps, you’ll set the stage for a successful aircon installation.

Maintaining Your New Aircon

Proper maintenance of your new aircon can help it run efficiently and extend its lifespan. Regular check-ups and addressing minor issues early can save you time and money.

Routine Maintenance Tips

  • Clean or Replace Filters: Filters should be cleaned or replaced every one to two months. Dirty filters block airflow and reduce efficiency.

  • Inspect the Thermostat: Make sure your thermostat is working correctly. Set it to the desired temperature and monitor if the aircon maintains it.

  • Check the Outdoor Unit: Keep the outdoor unit free from debris like leaves, dirt, and twigs. This ensures good airflow and optimal performance.

  • Schedule Professional Service: Have a technician check your aircon at least once a year. They can spot potential issues and perform a thorough cleaning.

  • Monitor Energy Bills: An unexplained increase in your energy bill can indicate your aircon is working harder than it should. Regular maintenance can help avoid this.

Troubleshooting Common Issues

  • Aircon Not Cooling: Check if the filter is dirty or if the thermostat is set incorrectly. Ensure the outdoor unit is unobstructed.

  • Strange Noises: Unusual sounds like grinding or buzzing could indicate a mechanical issue. Turn off the aircon and call a professional.

  • Water Leaks: Water pooling around the unit might be due to a blocked drain pipe or a problem with the refrigerant. This often needs professional attention.

  • Weak Airflow: This can be caused by a clogged filter, blocked vents, or a failing motor. Start by cleaning the filter and checking the vents.

  • Musty Smell: A musty odor might be due to mold in the air ducts. Ensure regular cleaning and have a professional check the system if the smell persists.

Aircon Installation Materials

If you want a longer lifespan for your new air conditioner, work with a recommended aircon installer that uses the best materials. By using top quality aircon installation materials, you’ll be free from common worries such as improper insulation and leaks that can lead to expensive aircon repairs. Before getting an aircon installation done, check if your installer is using the best quality for these materials:

  • PVC Draining Pipes (Standard: 13mm Diameter / Upgradable to: 16mm Diameter)

    • These pipes work to drain out the condensation of water and are linked to the air conditioning fan coil. The standard size for these drainage pipes are usually 13mm in diameter, but a 16mm pipe allows better flow of water from the fan coil.

  • Copper Pipes (Standard: Gauge 23 / Upgradable to Gauge 22)

    • Copper pipes connect the fan coil to the compressor and transfer the refrigerant gas through the two units to and fro. Opt for the thicker Gauge 22 instead of the standard Gauge 23. A thicker copper pipe can withstand a higher operating pressure, which prevents any future leakages.

  • Armaflex Insulations (Standard: 3/8″ Insulation / Upgradable to: 1/2″ Insulation)

    • Insulated rubber foams are used to absorb water droplets forming on copper pipes during condensation. Look out for the 2 types of insulation – Class 1 and Class 0 – that have passed the Fire Propagation Test Standards for insulation. A ½ insulation means that the material is thicker, which allows for better insulation, slower condensation rate, and prevention of any leakages.

  • Wire Cables (Standard: 3 Core 40 Wires / Upgradable to: 3 Core 70 Wires)

    • Wire cables supply electric current to both the outdoor and indoor aircon units, also called the CDU and FCU as seen from our aircon buying guide. Take note that it is essential to get thicker ones that can withstand higher electrical ampere. With this, aircon installers recommend 3 Core 70 Wires.

  • Brackets (Standard: Steel / Upgradable to: Stainless steel bracket of Grade 303)

    • Most aircon suppliers commonly use steel brackets for installation. However, opt for high-quality stainless steel brackets of Grade 303.

  • Compressors (Look for: 4 or 5 NEA Ticks)

    • Want to lower your energy consumption? Look for compressor units with at least 4 or 5 ticks in order to ensure better energy efficiency.

Top 3 Best-Selling Aircon Brands in Singapore

Mitsubishi Electric

Mitsubishi Electric is a widely known brand among home appliances. It’s no surprise that it is one of the most popular aircon brands commonly used in Singapore HDBs. The established Japanese brand promises to deliver the ultimate MEQ (Mitsubishi Experience Quality) to its customers. To Mitsubishi Electric, quality means reliability, consistency, the ability to differentiate itself from competitors, trustworthiness, and guaranteed satisfaction.

Looking for a highly recommended Mitsubishi Electric model? Start with the Inverter Single Split and Starmex Series!

Mitsubishi Electric Inverter Single Split Series

The Mitsubishi Electric Inverter Single Split Series is built with Easy Clean features, Anti-Allergy Enzyme filters, and a Catechin Plus Air Purifying System that ensures top-of-the-line air quality. Mitsubishi’s inverter technology automatically adjusts its capacity depending on conditions such as the difference between outside and inside air temperatures. This makes the inverter single split series more energy efficient, hence reducing energy costs.


The first to introduce multi-split air-conditioning systems to HDB owners, Daikin has been a long-trusted brand in Singapore operating for more than 40 years. With their slogan, “Everywhere With You,” Daikin puts their relationship with their customers first.  As one of the largest manufacturers of air conditioners in the world, Daikin is also well-known for its eco-friendly and energy efficient air conditioners. Customers on a budget won’t have to compromise on quality as Daikin air conditioners offer a broad range of models to suit every individual’s needs.

Daikin Split Type Air Conditioners

Daikin’s Split Type Air Conditioners have simple and stylish flat panel designs that go well with any interior décor. Some well-known main features of this inverter series are the Intelligent Eye (motion-detector sensor), Econo Mode (improved operating efficiency), as well as the Indoor and Outdoor Unit Quiet Operations ensuring a quiet performance.

Daikin’s Smile series is also gaining a bit of popularity on the island, but that’s not only because of their stylish and compact design. With 5 Ticks from NEA’s label scheme, the series has the strongest cooling capacity that operates with a sound level of only 19dB. Its Super Flexi Usage also gives homeowners the flexibility to install additional units at any time. But that’s not all – Daikin’s smartphone control also allows you to control your air conditioner from everywhere via a smartphone.


As one of the most widely used air conditioner brands in Singapore, Panasonic prides itself on delivering comfort, health, and beauty through essential functions, clean air, and minimalistic designs. With more than 60 years of experience, Panasonic brings extremely high-quality air conditioners, making them a world leader in innovation. This is in line with their slogan, “A Better Life, A Better World.”

Panasonic INVERTER Single-Split Type series

Panasonic INVERTER Single-Split Series is powered with Nanoe technology that removes 99% of harmful particles, providing any room with cleaner air. Its ECONAVI sensor is coupled with the Human Activity sensor that monitors human movement and the Sunlight Sensors that adjust cooling power according to sunlight intensity. Its precise temperature control also brings more comfort together with energy-saving advantages.

Panasonic INVERTER Multi-Split XS series

While most of its features are similar to the Single-Split Series, Panasonic’s INVERTER Multi-Split XS Series offers more space savings as one compressor is used for several indoor fan coil units. These indoor units’ operation settings can then be adjusted independently.

Other Air Con Services

As one of the best aircon service companies in Singapore, 338 is fully capable of handling all your aircon problems!

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Aircon Chemical Overhaul

aircon repair

Air Conditioner Repair

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Aircon Chemical Washing

general aircon servicing

General Aircon Servicing

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