Aircon Installation in Singapore

Are you installing an Aircon in Singapore? What is the Aircon installation price? Find out more about aircon installation in Singapore in this page.  These are the information that we are covering :

  1. What properties are you installing in?
  2. Aircon BTU calculation
  3. Types of Aircon materials and what kind of system should I be getting?
  4. Aircon installation price
  5. Where to buy Aircon in Singapore?
  6. Can I use back existing pipe?
  7. Warranty terms for Aircon installation in Singapore (for silverback aircon)


What properties are you installing your Aircon in?

The price for hdb is pretty standard. However for condo and landed properties things are not so simple. So let’s take a loot at Aircon installation at different properties below


Aircon installation in hdb

hdb ac installation

For hdb Aircon installation there are a few things to take note of. Assuming that you wish to install a new set of pipes. First you have to check whether the Aircon bracket size is right. It is the picture as shown on the right. Next you have to establish if you have the electrical power point of the right power. Lastly, you will have to check if your existing house have any false ceiling or built in cabinet. As these could obstruct the pathway needed to install your Aircon pipes. Click on the link above to read more on Aircon installation in HDB.

Condominium Aircon installation

aircon condo installation

For condominium. The first thing you will have to do is apply for a permit to do Aircon installation. You will likely have to put down a deposit with the management for this installation. Next, we have to establish if your Aircon piping can be reused? If it can be reused, the installation is the same across all types of properties. Most condominium have Aircon ledge. For Aircon installation of new piping, we will determine the price based on how long the Aircon piping runs. It also depends on how many ceiling holes we have to open. Furthermore, we likely need more manpower as most condominium only allows Aircon installation in a specific timeframe.

Installing Aircon in landed properties

drilling holes

Aircon installation with pipings in landed properties is the same as condominium. It will be dependent on the length of copper pipe and the number of ceiling holes to patch. Nonetheless for many of the landed properties, it is more complicated. As the piping goes through many of the integral structures. Such as columns or they might be hidden inside walls. Hence it is absolutely necessary to arrange for a site visit before Aircon installation.


Aircon btu calculation and what kind of system should I be getting

For HDB, the BTU size is pretty standard – 9000 BTU for rooms. For living room it depends on the size of the HDB Flat: 3,4 or 5 rooms. Each of them have different sizes and the BTU required will be different as well for all. For landed properties and condominiums. We suggest that you use back the existing btu that you are currently using. If you need to know more about Aircon btu calculation. Read up more by clicking on the blue link above.

If you wish to install for 3 bedrooms for HDB, it is pretty standard. You will just need to install a system 3. However. if you wish to install in your living room for HDB as well. It might not be cold if you turn on all units at the same time. Furthermore, there are also people who wish to install a system 5 Aircon in their HDB.

Should I be getting aircon system 4 or 3+ 1?

It depends on whether you need all of the Aircon to be cold when you turn on all together. If that is so, you will need system 3 + 1. However, it might be subjected to constraints by hdb. If you have still have aircon installation questions on this, check out the link above.

Are we allowed to buy system 5 Aircon for hdb?

It depends on whether your hdb is upgraded with the higher electrical loading. Furthermore not all of the brands of system 5 Aircon is suitable for hdb. The metal bracket outside your house is also subjected to weight constraints of 80kg.

Types of Aircon materials

There are generally 4 types of Aircon materials involved. Aircon piping, copper


Aircon trunking

aircon trunking

If this is a condominium and landed property, you will probably only need Aircon trunking on the outside. For hdb, the brand of Aircon trunking will not affect your installation. However it could affect you when you do Aircon overhaul in the future. More information could be found on the link above.

Electrical cable

Midea aircon spare parts

This is connected from the Aircon condenser unit to the fancoil. There’s also another set of cable connecting from the compressor to the main electrical point. The 2 prominent brands of wire in Singapore is Sigma cable and Keystone. They are both Singapore brands. So when you are installing your Aircon do take note of the brand of the wire that your technician is using.

Aircon Piping

aircon piping

In order for the refrigerant to cool the room. There are copper pipes connecting from the condenser unit to the fancoil unit. This is by far the most expensive materials for Aircon installation. So always opt for the better quality ones. There is a certain thickness to the copper pipe. It is termed as standard wire gauge. For normal aircon materials, it is SWG23. Whereas, for upgraded materials it is SWG22. Always go for the upgraded ones when possible. The cost of replacing your Aircon piping could be close to a thousand for a system 3 HDB unit.

Armaflex Insulation

aircon armaflex insulation

Other than copper pipe. The thickness of the insulation used is a critical factor in Aircon installation. The biggest problem is Condensation from the copper pipe. The thicker the insulation, the harder it is for condensation problem to occur. There is no actual way to cure condensation. The whole set of piping might have to change.

Water pipe

aircon installation price

Your Aircon needs a water pipe to drain off the condensed water. From the evaporator coil all the way to a the floor trap. Normal materials for aircon water pipe is 13mm. Where as the upgraded materials is 16mm. The bigger the water pipe, the less likely it is to get choked.

Aircon Bracket

The Best Window Air Conditioner Bracket | Reviews by Wirecutter

For HDB units that don’t have an Aircon ledge, you will have to install a Aircon bracket. It is usually located below the master bedroom’s window. The price for an aircon bracket is usually around $150. Be careful if the bracket is priced too cheaply, as you wouldn’t want this to happen to your Aircon :

Aircon Installation price

When we are referring to Aircon installation price. We mean installing the Aircon with you provided you already have the Aircon materials. The installation price will be dependent on the type of house and length of copper pipe. For simplicity, we will provide an estimated range of Aircon installation price here.

Aircon installation price for system 1,and 2

(for bedroom) System 1 – $150- $300

(for living room) System 1 – $$150 – $600

System 2 – $300 – $650

Aircon installation price for system 3,4 and 5

$400 – $950 for System 3

$500 – $1250 for system 4

$650 – $1450 for system 5

Where to buy Aircon in Singapore

Most of the time, you will think of big box retailers like courts or harvey Norman. However you can actually buy your Aircon from other places as well. Such as from your interior designers and Aircon companies like us. You can read up more on the link above if you wish to know where you can buy aircon in Singapore.

However, if this is the your first time installing an Aircon in Singapore, you might check this out instead :

  1. Types of Aircon Trunking and why it matters during aircon installation
  2. Beginner’s Guide to Aircon Installation in Singapore
  3. HDB Aircon Installation Guide Full Walkthrough