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Regassing is quite common in the HVAC industry during the repair and maintenance of split air conditioners. While air conditioning units do not usually require regassing, older air conditioners or the ones with the incorrect installation may require a thorough check for a refrigerant leak.

Regassing is a relatively unpopular concept for a layman, but having the know-how of the process is fundamental to dealing with future situations. That is why we have crafted a blog post to let you know all about regassing.

What is a Refrigerant?

Before diving straight to the regassing part, let’s first have a brief go-through of the air conditioning refrigerant. It is a gas or fluid that exists in air conditioners and refrigerators for the purpose of cooling and heating.

Older refrigerants, like R22 and R12, have been phased out due to their role in ozone depletion. Therefore, you should check the refrigerant label on the exterior, and if it says R12 or R22, you need to upgrade. Modern air conditioning units now feature R410A or R134A refrigerants as they are safer for the environment.

What is Aircon Regassing?

Your air conditioning requires regassing whenever there is a leak. It is a key process that involves removing existing gas and refuelling with a fresh supply.

Do Split Systems Need Regassing?

Different factors might lead you to hire a professional HVAC service provider for regassing your aircon unit. Let’s go through them.

Faulty Manufacturing

Manufacturing faults in cheaper brands often lead to refrigerant leaks in air conditioning units. The fault can sometimes occur in reputable brands, but the chances are low.

Therefore, we always advise our clients to invest in leading Australian brands like Daikin, Mitsubishi and Rinai.

Faulty Installation

Your new air conditioner unit does not need regassing unless non-professionals have done the installation. Such technicians are inexperienced and lack knowledge, and the need for regassing may arise if the pipe connections are not tightened up properly.

A split system air conditioning comprises four connections — two on the indoor part and two on the outside. A faulty welding job during installation may result in a gradual gas leak. A gas leak may also occur if the pipe connections are not flared and torqued properly.

Therefore, it is advised to look for a professional and licensed service provider, like Surrey Air, to do the installation job. We have qualified technicians who use appropriate tools and have the technical knowledge to perform the job without cutting corners.

Age of the Air Conditioner

On average, air conditioners on the market can last 10 to 15 years. However, with time, air conditioning units age and receive wear and tear and cracks that may lead to gas leakage in the system. In this case, if your air conditioning unit is more than 15 years old, we recommend getting a complete replacement instead of fueling it with refrigerant.

How to Tell if your Split System Needs Regassing

We often get this query “how to tell if your split system needs regassing?” Well, there are a few telltale signs that show a low gas level, such as:

  • Each of your air conditioning unit’s components functions well, but the temperature does not cool down is a sign of low gas levels
  • Indoor coils start to freeze up, indicating low refrigerant levels
  • The copper pipe work on the right side of the outdoor unit also starts freezing up, which indicates that there is a need for regassing

Need to learn more? Contact us now!



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