A refrigerant is a liquid cooling agent contained within an air conditioning system’s coil and is used to cool and dehumidify the outside air. You might have heard of the R22 and R410A refrigerants, which had been widely used in air conditioning systems before. But a new-generation refrigerant called R32 is now being marketed as the most environment-friendly refrigerant.


R22 refrigerant, which is also known as Freon, is the most common type of refrigerant used by air conditioner manufacturers. However, R22 is considered a hydro-chlorofluorocarbon (HCFC), which is a contributor in the depletion of the ozone layer. For this reason, R22 refrigerants were discontinued and replaced by R410A refrigerant.

R410A refrigerant was introduced as a more ozone-friendly replacement for R22. R22 is hydro-fluorocarbon that has been adopted in industrialised countries and are now widely used. Although hydro-fluorocarbon doesn’t harm the ozone layer, it still poses a threat to the environment as a contributor to global warming.

Air conditioning experts have come up with an environment-friendly alternative to the mainstream R410A—a refrigerant with an ozone depletion potential of zero and only approximately one-third of the global warming potential of R410A.

How is R32 refrigerant different?

After testing the different types of refrigerants, experts have named R32 the best and most ideal refrigerant. Here are some characteristics that make R32 better for the environment and for the household.

  • Low impact on the ozone layer
  • Low global warming rating
  • Low risk of flammability
  • Non-toxic
  • Offer high-capacity cooling while promoting energy efficiency during use
  • Low cost and readily available
  • Easier to reuse and recycle

Using R32 refrigerant

As this type of refrigerant becomes popular among air conditioning manufacturers, we will now start to see more air conditioning units in the market using R32. Among the world-renowned air conditioning brands that have pioneered the use of R32 are Daikin and Mitsubishi, and other top brands are following suit.

Daikin’s Cora and Zena series are currently using the R32 refrigerant variant, providing top-notch cooling performance and energy efficiency. Mitsubishi Electric’s GL series also runs with R32 refrigerant, along with an advanced inverter technology that provides high-speed cooling and heating with extra energy savings.

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