Types of Refrigerant Gas in UAE: R22 vs R32 vs R410a vs R134a — Which One Does Your AC Need?

It’s peak summer in the UAE… the temperature is touching 45°C… and suddenly your AC stops cooling.

You call a technician, and he says: “The gas has run out.”

But here’s the real question — which gas?
And more importantly — is gas refill even the right solution?

Most people don’t know that different AC systems use different types of refrigerant gas. Using the wrong one can damage your AC, waste your money, and even shorten the life of your compressor.

In this guide, we’ll break everything down in simple words so you clearly understand which refrigerant your AC needs and what’s happening in the UAE market today.

What Is Refrigerant Gas and Why Does It Matter?

Refrigerant gas is the working fluid inside every air conditioning and refrigeration system. It absorbs heat from inside your room and releases it outside and it does this by cycling between liquid and gas states over and over again.

Think of it like this: when the refrigerant evaporates inside your indoor unit, it pulls heat out of the air (making the room cool). It then travels to the outdoor unit, releases that heat, and comes back to repeat the cycle. Without the right type and quantity of refrigerant gas, this process breaks down entirely.

The Main Types of Refrigerant Gas in UAE — A Quick Comparison

Here is a side-by-side look at the most commonly used refrigerant gases in the UAE market:

R22 Refrigerant — The Old Standard Being Phased Out

R22 (also called Freon) was the go-to refrigerant for decades. If you have an air conditioner that is more than 10–12 years old in the UAE, there is a good chance it still uses R22.

The problem is that R22 is an HCFC (hydrochlorofluorocarbon), which means it contains chlorine. When it leaks into the atmosphere, it damages the ozone layer. Because of this, R22 has been placed under the Montreal Protocol an international agreement to phase out ozone-depleting substances.

What This Means

If your AC system still uses R22, you are not in immediate trouble the gas itself is not yet illegal to use. But here is what you need to know:

• Supply is shrinking. R22 is no longer being manufactured in large quantities. The price of R22 refrigerant in Dubai has gone up significantly over the past few years because of this.
• Repairs will get more expensive. As R22 becomes harder to source, topping up a leaking R22 system will cost more each time.
• Retrofitting is an option. Gases like R417a and R407c are approved drop-in or near-drop-in replacements for R22 systems. They work in most older systems without major changes.
• Full replacement is the long-term answer. For aging systems, replacing the unit entirely with a modern R32 or R410a model is often the smarter investment.

R410a Refrigerant — The Dominant Choice in UAE Today

For the past 15 years, R410a has been the most widely used refrigerant in residential and commercial split air conditioners in the UAE. If you have bought an AC unit in Dubai between 2016 and 2026, it almost certainly uses R410a.

R410a has zero ozone depletion potential (ODP = 0), which made it the primary replacement for R22 globally. It works at higher pressures than R22, which makes systems more efficient and compact.

Key Facts About R410a

• No ozone depletion — safe under the Montreal Protocol
• High efficiency — widely used in inverter split AC systems
• Not suitable for older R22 systems — different pressure rating, different oil
• Cylinders available in 3 kg disposable and 13.6 kg refillable sizes in the UAE market

One important caveat: while R410a refrigerant does not damage the ozone layer, it has a high Global Warming Potential (GWP). Because of this, it is now being phased down in Europe and is gradually being replaced by R32 — which is already gaining ground in the UAE.

R32 Refrigerant — The Growing Replacement for R410a

R32 is the fastest-growing refrigerant gas in the UAE right now. Leading AC brands including Daikin, Mitsubishi, LG, and Samsung have been transitioning their newer models to R32 refrigerant as a direct response to environmental regulations.

Compared to R410a, R32 has roughly one-third the global warming potential, while actually delivering slightly better energy efficiency. That means lower running costs and a smaller environmental footprint.

R32 vs R410a — Which Is Better?

R134a Refrigerant — Used in Cars and Commercial Refrigeration

R134a is a different application entirely. You will not find it in residential split air conditioners. Instead, R134a is primarily used in:

• Automobile air conditioning systems
• Medium-temperature commercial refrigeration (supermarket display cases, convenience stores)
• Small domestic refrigerators and freezers
• Industrial chillers in manufacturing and pharmaceutical settings

In Dubai’s busy automotive sector and large commercial refrigeration industry, R134a refrigerant is in constant demand. It is available in small 500g cans for car AC top-ups, right up to 13.6 kg disposable cylinders for commercial use.

Eco-Friendly Refrigerants: R290 and the Future

R290 (propane) is a natural refrigerant that is gaining traction in the UAE’s commercial refrigeration sector. It has zero ozone depletion potential and an extremely low global warming potential just 3, compared to R410a’s 2,088.

The main challenge with R290 refrigerant is that it is mildly flammable. This limits its use to smaller, sealed systems with low refrigerant charge think small commercial fridges, ice cream display units, and vending machines. It is not used in central AC systems or large chillers.

However, as environmental regulations tighten globally, natural refrigerants like R290 and CO2 (R744) are expected to become more mainstream in the UAE over the coming decade.

R22 Phase-Out Timeline — What UAE Contractors Need to Know

The UAE follows international refrigerant regulation guidelines under the Montreal Protocol. Here is a simplified timeline of what is happening with R22:

The practical takeaway for contractors: if a client still has an R22 system that needs a refill, now is a good time to have an honest conversation about long-term options. Top-ups will become increasingly expensive, and an R417a retrofit or a full system upgrade may make more financial sense.

Which Refrigerant Is Best for Split AC in UAE?

This is the most common question we get from property owners and facilities teams. The honest answer is: it depends on the age of your AC system.

Refrigerant Cylinder Sizes Available in the UAE

When purchasing refrigerant gas in Dubai or anywhere in the UAE, it comes in several cylinder sizes. Knowing which one you need saves time and money:

Conclusion — The Right Gas for the Right System

Refrigerant gas is not a one-size-fits-all product. The UAE HVAC market uses several different types — each suited to specific systems and applications.

To summarize the key points:

• R22 — being phased out. Works in older systems but supply is shrinking and prices are rising.
• R410a — the most common gas in UAE split ACs today (2010–2020 era systems).
• R32 — the growing replacement for R410a. More eco-friendly and used in newer inverter ACs.
• R134a — for car air conditioning, commercial fridges, and industrial chillers.
• R290 — eco-friendly option for small commercial refrigeration applications.

If you are unsure which refrigerant your system needs, check the nameplate on your outdoor unit the gas type is always printed there. And if you need to purchase any of these gases in bulk or for a specific project in the UAE, Al Imran carries the full range including R22, R32, R410a, R134a, R404a, R407c, R417a, R507, and R290 under trusted brands.