If your Aircon is not very cold, this could be a sign that you need Aircon gas top up in Singapore. However, if your Aircon is blowing out hot Air. You might need Aircon repair instead. Nevertheless, we are going to explain to you when do you need top up the gas level. And also let you know more about Aircon gas here. Aircon gas top up price varies with gas type, as shown on the right.
Aircon Gas Top Up Price
| Type of Gas | |
| R22 Gas | $50- $60 |
| R410 Gas | $80 – $120 |
| R22 gas if done with chemical overhaul | $15 |
| R410 gas if done with chemical overhaul | $40 |
Price is dependent on the amount of gas that we need to use
Note: if you need to top up gas very frequently, you might need to check for Air-conditioners gas leak using Aircon pressure test
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Types of Gas for Aircon gas top up
R22 GAS
Hydrochlorofluorocarbons (HCFCs) includes R22 gas. Slightly less harmful to the ozone layer than R12. But the EPA has mandated a phase out as a result of the Clean Air Act of 2010. By 2020, R22 Gas will be completely phased out. A 15kg canister went for as high as $600 in 2017 but prices have fallen by half or more since. If you are using a non-inverter Aircon, there is a high chance that you are using R22 Gas. The price for R22 gas is cheaper than R410 as well.
R410 Gas
Hydrofluorocarbons (HFCs) includes R410A and R134. This aircon refrigerant is currently the safest and most viable option for the environment and is now being used in place of R22. This is because there are no chlorine in the mix. Air conditioners that run on R410A are more effective, have improved air quality, are more comfortable and reliable. R410 Gas type is a lot more expensive due to it’s quality. Most inverter Aircon uses R410 gas. If you have just bought your Aircon in the last 5 years, chances are you are using R410 Gas.
R32 Gas
R32 gas offers global warming potential that is 3 times lower than that for R410a. However, there have not been widespread adoption of this type of gas in Air-conditioners yet. So if you were to install R32 gas. Chances are the Aircon technicians will not be familiar with this gas type. They might not even carry this type of canister inside their vehicle. Nonetheless, a few Aircon models in Singapore are using R32 gas. Such as Toshiba Youme and Daikin ezi series.
When do you need Aircon gas top up in Singapore?
When all of the fan coil unit is not cold but Air is coming out
If all of the fancoil unit is not cold, but the compressor is still running. You will likely need Aircon gas top up. We will first check the evaporator coil of your indoor unit. If there is any sign of coldness ( even if it is very little). It is likely a sign of insufficient gas pressure. However, if your Aircon compressor is not running, you might need Aircon repair instead. Nevertheless, we are going to explain to you when do you need Aircon gas top up. And let you know more about Aircon gas here. Aircon gas top up price varies with gas type, as shown above.
When 1 unit of a non-inverter Aircon is blowing warm Air
If 1 or 2 units of your Aircon is blowing out warm Air, or is not cold enough. Firstly, check if yours is an inverter Aircon. If it is an Inverter Aircon, it likely has nothing to do with Air conditioner gas top up. You can check if it is inverter or not by checking the model number online. Or most of the time, the term “inverter” will be stated on the fancoil cover itself. If this is a non-inverter Aircon, if just one or 2 units are not cold. it could still due to a loss of gas pressure. Hence further check is required. For non-inverter units, it could also be due to capacitor issues or compressor problem.
When fan coil unit is blowing air but not cold enough
If you can feel that all of your Aircon is still cold, but not cold enough. It might be an indication that your Air-conditioner needs an Aircon gas top up. Usually Air-con technician will not check the gas level of every house they service. They will feel the cooling coil of the evaporator coil. If the bottom half is not cold enough. It is usually an indication that the gas is not running at the desired pressure. They will usually proceed to check on the Aircon gas.
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How often do you need to top up Aircon gas?
Usually, you should call for aircon servicing to top up your air-con once every 1 – 3 years. Nonetheless, there are customers who also choose to top up their aircon gas every 6 months. It could be due to miniscule leaks that are inevitable in every aircon system. However, do note that this is not necessary unless our aircon technicians find the refrigerant storage unit to be completely empty by the end of 6 months. Our aircon technicians will check on the pressure. They may find that the pressure fall slightly after 6 months but this is completely normal.
In most cases, cooling chemicals inside the refrigerant of an air-conditioner will not be entirely utilized throughout the service life of the aircon unit. However, if you feel that your aircon is not as efficient, an aircon gas refill is necessary as the refrigerant storage may be leaking due to damage or wear-and-tear. This causes the chemicals to be leaked out of the container. An aircon gas top up involves refilling the refrigerant storage unit with the appropriate chemical coolant. The technician first locks the gas to prevent it from escaping.. Subsequently, he will refill the compressor with the appropriate gas. This procedure allows your aircon to continue cooling the room. It is also crucial to top up your refrigerant when required to prevent your whole aircon unit from completely breaking down because of low refrigerant levels. A cheaper aircon gas top up is included in our maintenance package.
Aircon gas top up process
- First we inspect the cooling coil and feel it with our hands to check if they could be a need for gas top up
- If the cooling coil is not cold enough, we will proceed to check on the Aircon gas level
- Next we will check on the gas level of your unit
- Aircon gas top up price will be dependent on the how much gas we need to top up
- Following which, we will fill up the gas from the gas tank
- We will do one last check on the gas level with the gauge.
- Lastly, we will check on other components to ensure that it is running smoothly.
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Could your aircon be leaking gas?
It is possible for an air conditioner to leak refrigerant, which is the gas that is used to cool the air in the system. If your air conditioner is leaking gas, it could be due to a number of different issues, including:
- A problem with the refrigerant line: The refrigerant line is responsible for carrying the gas from the compressor to the evaporator. If the line is damaged, it can cause a leak.
- A faulty compressor: The compressor is the part of the air conditioner that pressurizes the refrigerant. If the compressor is faulty, it can cause the refrigerant to leak.
- A leak in the evaporator: The evaporator is the part of the air conditioner that absorbs heat from the air inside the building. If there is a leak in the evaporator, it can cause the refrigerant to leak.
What if there is an Aircon gas leak in my compressor or fancoil?
If there is a gas leak in your air conditioner’s compressor or fan coil, it is important to turn off the unit and contact a professional for repair. Gas leaks can be dangerous and can cause serious injury if inhaled. Additionally, if the gas leak is not repaired, it can lead to other problems with the air conditioner, such as reduced efficiency or complete failure of the unit.
A professional HVAC technician will be able to diagnose the cause of the gas leak and determine the best course of action for repair. In some cases, the technician may need to replace the faulty component, such as the compressor or fan coil, in order to fix the leak. It is important to have the repair completed as soon as possible in order to ensure the safe and proper operation of the air conditioner.
If you think that your air conditioner is leaking gas, it is important to have it checked as soon as possible. Silverback Aircon provides professional service to check your aircon, so feel free to contact us at +65 9651 5152.
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Aircon gas top up FAQ
No. If there are existing Gas leak within your gas pipe. The gas pressure will drop. If the gas leak is very severe, it will leak completely in a matter of days.Is there any warranty for Aircon gas top up?
If your condenser unit is extremely dirty. We will not be able to check your gas pressure. As the reading on the gas meter will be inaccurate. This because the dirt surrounding the condenser unit will cause the compressor to “high amp”. Resulting in inaccurate gas pressure. Hence, you will need to do a Aircon compressor chemical wash before we can check on the gas pressure.Is the gas pressure completely accurate?
Yes and No. If we did the gas top up for you previously. And we notice there is a distinct drop in gas pressure now. We can safely assume that there is a gas leak. If you require a gas top up once every year. It is likely not a severe leak and it is not a cause of worry. Can you tell if there is a leak in my Aircon gas?
If you suspect that you have a gas leak. It is generally a huge problem. Because we are not able to tell which part of the Aircon system is leaking gas. The only way we can tell is if we do a pressure test. However a pressure test will take 2-7 days. And you will not be able to use your Aircon unit in this duration. Furthermore, the cost of a pressure test is very expensive.Can you tell which part of my gas pipe is leaking?
The price is dependent on the cost of the cannister. R410 is more expensive than R22 gas.Why does the price of R22 and R410 Aircon gas top up differ
most of the non inverter Aircon unit uses R22 gas. Most of the inverter unit uses R410 gas. However there could be exceptions. There are a few model out there that uses R32 gas as well. How do I know what type of Aircon gas am I using?
You likely experience an Aircon gas leak. Or, the gas outlet is not tightly sealed. I just top up gas a few days ago, why is it not cold up?
Usually we will check on the coolness of the evaporator coil. If it is sufficiently cold, we will not check on the gas pressure. However if we can feel that it is even slightly insufficient. We will proceed to check on the gas pressure. Will you check on my Aircon gas level during servicing?