R410a vs R32 – A Comparative Study of Features & Benefits | Rx Mechanic (2023)

When purchasing a new air conditioner, you’ll need to get a refrigerant too. As you may know, a refrigerant is a cooling agent used in AC units and other similar devices. Choosing between two different refrigerants isn’t so easy.

While comparing R410a vs R32, you’ll discover that they are both eco-friendly and have an ozone depletion potential of zero, making them perfect refrigerant choices. But, you’ll need to dig in to find out their differences to know which one is best. R410a vs R32 cost dissection is also very important in making you stick to your budget. Keep reading to discover all that R410a and R32 share and differ in.

What is R410a?

R410a vs R32 – A Comparative Study of Features & Benefits | Rx Mechanic (1)

R140a, otherwise called Suva 410a, AZ20, Forane 410a, or Puron, is a compound (zeotropic) made up of pentafluoroethane and difluoromethane, used as a refrigerant in ACs and heat pump systems.

R410a is part of the hydrofluorocarbon (HFC) class of refrigerants and is composed of an equal amount of R125 and R32. Its chemical formula is CH₂F₂ + CHF₂CF₃ and its cylinders are colored rose.

R410a was discovered by Honeywell and was granted a patent in 1991. It is the most used refrigerant in home and commercial ACs in the US, Japan, Canada, and Europe. It was introduced to replace R22 which was banned because of its contribution to greenhouse gases.

Most modern air conditioners function well with R410a refrigerant, which allows the systems to operate at higher pressures. For HVAC professionals to work with R410a, they’ll need specialized tools and equipment such as fittings and adapters, for vacuum pumps. You can go ahead to compare R410a vs. R32 performance to know which works best.

(Video) R22 vs R410A vs R32 Refrigerant Gases explained in Hindi by Emm Vlogs

Product Features:

  • Replacement for R131b and R22
  • R410a is a near azeotropic refrigerant blend that contains R32 and R125
  • Highly-rated safety classification
  • Its cylinders have dual port valves, making it easy for liquid to take off
  • Non-flammable
  • Higher efficiency compared to R22
  • Compressors must be charged with Polyolester oils

Pros:

  • R410a has a good thermal performance.
  • Its surface condition is always dry.
  • R410a is relatively safe to store, use and distribute
  • R410a has higher efficiency compared to other refrigerants.

Cons:

  • R410a has a fairly high amount of global warming potential.

What Is R32?

R410a vs R32 – A Comparative Study of Features & Benefits | Rx Mechanic (2)

R32 referred to as HFC32 methylene fluoride, difluoromethylene, or dichloromethane, is an organic compound composed of the halogenoalkane variety. Its formula is CH2F2.

This refrigerant is a colorless gas in the ambient atmosphere and is slightly soluble in water, with high thermal stability. The Clean Air Act Section 111 on Volatile Organic Compounds in the United States listed R32 as an exception due to its low production of tropospheric ozone. Difluoromethylene is mostly used in endothermic processes such as air conditioning and refrigeration.

Product Features:

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  • Replacement for 410a
  • R32 cylinders have dual port valves for easy offtake of liquid
  • Similar boiling temperature to R140a
  • The refrigerant can be charged from either the vapor or liquid phase
  • Slightly flammable and non-toxic
  • Low global warming potential
  • Better energy efficiency compared to R410a
  • Requires varied recovery and charging procedures

Pros:

  • Zero ozone depletion potential (ODP)
  • R32 refrigerant has a volumetric capacity of 20% and requires less charging
  • Higher critical temperature
  • Single gas component
  • Low global warming potential compared to R410a
  • Easy development because of saturated pressure
  • Low density

Cons:

  • R32 requires precaution because of the high level of toxicity
  • Oil degradation in the compressor is caused by high discharge temperature.

R410a vs R32: What Are the Differences

Currently, the refrigerant gas used in home ACs to replace R22, are R32 and R410a refrigerants. Here are the differences between the two refrigerants:

Environmental protection

The ozone depletion potential (ODP) of R32 is zero, and its global warming potential (GWP) is on average. R32 refrigerants can easily explode, but R32 does not destroy the ozone layer. Its atmospheric retention time is 5.6 years, while the relative injection amount is lower.

Safety

Both R410a and R32 are non-flammable and non-toxic. However, R32 has a low limit of combustion. On the other hand, R410a has a high temperature and is capable of burning. Here’s why R410a vs R32 flammable comparison is important.

Therefore, it is advisable to only charge ACs within 2p.

Thermal properties

The system working pressure of R32 is higher than R410a, but the highest increase is 2.6% at most. When the temperature is exhausted, R32 increases to 35.3° C, higher than R410a.

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Cyclic performance

Concerning theoretical cycle performance, the system cooling capacity of R32 is 12.6% higher than R410a. Also, the power consumption, energy efficiency ratio, and comprehensive energy-saving capacity of R32 are higher than R410a. Comparing R410a vs R32 electricity consumption is a hack to discovering more differences between these refrigerants.

FAQs:

Q: Can I replace R410a with R32?

R32 is not the best replacement for R410a and can’t be used in applications specifically designed for R410a. Besides, R410a systems are not configured to operate using a refrigerant that is capable of causing fire outbreaks. Also, R410a systems require modification and laboratory validation to confirm whether the safety level has increased to a level that meets all the international standard requirements for applications that use R32.

However, if you want to replace R410a with R32, you’ll need to carry out some modifications to ensure that the product is in line with all applicable codes and standards.

Q: Is R32 more energy efficient than R410A?

Refrigerants carry heat. In-home ACs, the refrigerant is circulated between the indoor unit and the outdoor unit, thereby allowing warm air or cool air to be released into your home.

One of the most used refrigerants, especially in developing countries, is R410a. This refrigerant is a hydrofluorocarbon (HFC), and it contributes to global warming. Therefore, there’s a need to move across the world to transition to R32 as it is more efficient. Additionally, R32 is less harmful to the environment, cost-effective, and safe. Going in-depth about their features is the way to declare the R410a vs R32 efficiency result and favor one to be the winner.

Q: Is R32 gas banned?

Although R32 refrigerant has been used by top air conditioning manufacturers in recent years, it may go extinct in the future. Most maintenance and installation personnel don’t like using R32 during the installation process. The reason for the R32 refrigerant phase-out is due to the frequent occurrence of R32 explosions.

The future fate of R32 refrigerant (whether or not it’ll be banned) is unpredictable. However, reports show that R32 refrigerants may be banned by the European Union in 2025.

(Video) Replace R600a With R134a ! R600a की जगह R134a चार्ज करें या नहीं ! R600a ! R134a

Q: Is R410A the same as R32?

R410a and R32 are not the same. They don’t perform the same function. Even though they have similar features, they each have unique systems where they are used. Some air conditioning systems use only R410a, while others use R32. Nevertheless, both R410a and R32 are eco-friendly compared to the harmful chlorofluorocarbon compounds used in the 20th century.

However, it’s possible to change the properties of a particular air conditioner that uses R140a to allow it to function well with R32.

Q: Which is more flammable R32 or R410A?

The chemical composition of R32 is highly toxic, slightly flammable, and has a safety level of A2L. R32 has the possibility of exploding. Its explosion limit is between 14.4% to 29.3%. Hence, it’s necessary to fix the problem of lower flammability in-home air conditioners.

Additionally, even though R32 is flammable, it has a condition for combustion. It needs a little concentration to reach a particular value, and it has to come into contact with an open flame before it can explode. So, if the R32 refrigerant is slightly leaking, it’ll be difficult to burn, but if the leakage is too much, it’ll explode.

Q: Is R410 being phased out?

R410a is set for elimination from all new systems in 2023. Some of the reasons for the phasing out of R410a are:

  • Proliferation management of refrigerant options is needed
  • The need to comply with transportation and storage requirements of the refrigerant
  • The equipment manufactured for A2L refrigerants will most likely have new embedded controls and sensors.

In addition, the R410a is beginning to cause more harm than good. It’s affecting the environment and those who live in it. R410a deserves to be phased out. More so, comparing R410a vs R22 will help you discover more reasons why R410a should no longer be in use.

Final Words

Before opting for any refrigerant, compare them, weigh their differences, and go for the one with more advantages. If you discover that your air conditioner functions well with R410a, but you purchased R32, check out ways to convert your AC system. Or better still, get the designated refrigerant for your car.

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We’ve already compiled everything you need to know about R410a vs R32. From all indications, R32 seems to be more eco-friendly and suitable for home air conditioners. You can confirm by drawing a comparison table for R410a vs R32 vs R22.

While searching for the best refrigerant for your AC, kindly note that low refrigerant can cause your AC not to blow cold air.

FAQs

Which one is better R32 or R410A? ›

R410A has a high VCP, which requires larger pipes. Thus, it's not as efficient as R32, whose VCP is significantly lower. Moreover, R32 has a higher pressure ratio than R410A. Overall, R32 is much more efficient than R410A.

Can I use R410A instead of R32? ›

R410A systems are not designed to operate using a flammable refrigerant and would require extensive modification and laboratory validation to confirm that the safety level has been increased to a level that satisfies the requirements of international standards set for systems that use R32.

Is R32 newer than R410A? ›

R32 is a newer refrigerant gas becoming more popular in air conditioners. It is known for being more energy-efficient than r410a, which will save you money on your energy bill! R32 is also less damaging to the environment, which is important to many people.

Which is more flammable R32 or R410A? ›

Flammability of R32 has 80% burning velocity less than R290 and slightly flammable when compare with R410A. Although, R32 discharge gas temperature is higher than R410A around 20°C and this can damage compressor's motor at some heat pump condition especially at high compression zone.

What is the benefit of R32 gas in AC? ›

Although there are various types of refrigerants, R-32 is a new refrigerant currently receiving the most interest. Because R-32 efficiently conveys heat, it can reduce electricity consumption up to approximately 10% compared to that of air conditioners using refrigerant R-22.

Which AC quality is best? ›

LG, Samsung, Blue Star, Voltas, Hitachi, Daikin, and Panasonic, are some of the best brands in the top 10 AC brands in India.

Which AC gas is best for cooling? ›

Although they also have the potential for global warming, but still they are better than HCFCs as they do not deplete the ozone layer. The most common HFC used in air conditioners is R-410A.
...
RefrigerantGlobal Warming PotentialOzone Depletion Potential
R-410A2088Zero
R-32675Zero
R-134A1430Zero
R-2903Zero
2 more rows
7 Aug 2017

What is replacing r410? ›

RS-53 (R470A) is a new non-flammable Drop-in replacement for R410A with a low Global Warming Potential (GWP) less than half that of R410A. RS-53 (R470A) has a similar thermodynamic performance to R410A with matching energy efficiency and cooling capacity.

Why is R410A being phased out? ›

Scientists discovered it was damaging to the environment and ozone, so manufacturing permanently halted on January 1, 2020. R410a is the replacement for R22.

Is R32 more energy efficient? ›

Daikin's R32 refrigerants provide energy efficiency, lower power consumption, lower conversion costs, sufficient supply capabilities, better life cycle climate performance, and lower GWP. They are also of top quality to ensure that your air-con is always in optimal operating conditions.

What is the best refrigerant? ›

R32 and R410A are the most commonly used refrigerant in the residential air conditioners having zero ODP, R410A is having higher GWP than R32. R32 is slightly flammable and because of risk of hazard, R410A was developed with lower flammability hazard with the mixture of R32 and R125.

Who uses R32 refrigerant? ›

Carrier has selected R-32 refrigerant to replace R-410A refrigerant, in commercial chillers and heat pumps using scroll technology. R-32 was chosen for its lower environmental impact, high energy efficiency, wide availability and ease of use.

Is R32 a good refrigerant? ›

R32 is a single component refrigerant, meaning it is easier to reuse and to recycle. It is also relatively inexpensive to produce, is easier to handle because it doesn't separate and utilises familiar technology, keeping costs similar. R32 is also low-toxic, is difficult to ignite and does not explode.

Is R32 gas harmful? ›

Safety issues to be aware of when handling R32

This includes ensuring that the gas is not exposed to open flames or other ignition sources. Toxic substances like hydrogen fluoride and carbon dioxide are created when R32, like all fluorinated refrigerants, is burnt. Asphyxiation and freeze burns are also a risk.

How flammable is R32 refrigerant? ›

R32 falls into the “lower flammability” or Class 2L "mildly flammable" category. Under ISO 817, any refrigerant and air mixture that is capable of self-propagating a flame falls into one of the three flammable categories.

What is the working pressure of R32 refrigerant? ›

R32 has similar working pressure to R410A around 12-26 Bar (174-377 Psi), however R32 has better capability to exchange heat-load than R410A and delivers higher capacity than R410A making the systems more efficient.

What is the temperature of R32 gas? ›

R32 is a chlorine-free, ozone-safe fluorocarbon whose boiling point is -52°C.

Which AC is No 1 in world? ›

1 Manufacturer for a Reason. The added advantage and features of our products and services have made Daikin the worldwide air conditioning leader.

Which brand AC is best in 2022? ›

10 Best AC Brands in India 2022
  • LG:
  • Daikin:
  • Hitachi:
  • Carrier:
  • O General:
  • Whirlpool:
  • Blue Star:
  • Panasonic:
1 Sept 2022

Which is No 1 AC brand in world 2022? ›

1. Samsung. These qualities have helped them to produce the best Ac in the world.

Which gas is better for a split AC R22 or r410 or R32? ›

Hydrofluorocarbons (HFCs)

Please note that R-32 is better than R-410A regarding Global warming. Even the HFCs like R-32, R-410A are also not environment-friendly, but they are a lot better than R-22. Our Indian Government is also planning to phase out Hydrofluorocarbons in the coming years.

What replaces R32 refrigerant? ›

MULTICOOL-HC32 is a high purity mixture of propane R290 and R170 ethane. It is a refrigerant with a reduced global warming potential (GWP). It is designed to replace R410a and R32 in most stationary residential and commercial air conditioning systems.

Why is the price of R-410A so high? ›

R410a is actually a blend of two different refrigerants, one of which is called R125. There's currently a world shortage of R125 because there aren't enough plants to produce it. Without enough R125, producers can't make enough R410a to keep up with the increasing demand.

Will R-410A be banned? ›

U.S. built refrigerators using R-410A refrigerant are banned starting January 1, 2021. HC-600a is currently the leading refrigerant for new U.S. built refrigerators. HC-600a is a blend of 50% isobutane (highly flammable) and 50% HFC-134a (non-flammable).

Why does R-410A cost so much? ›

As R125 is one of the two component refrigerants of R410a (the other is R32), any shortage of this gas significantly affects the production and consequently the price of R410a.

How Long Will R-410A be available? ›

R-410A is scheduled for elimination from all new systems in 2023.

Is R-410A better for the environment? ›

R-410A Refrigerant

It is one of the least damaging to the environment (and human health) and which could be used as alternatives to R-22. R-410A is a blend of different HFCs that don't deplete the ozone. Sometimes called Puron, Forane, or Genetron AZ-20, R-410A is a good choice if you're having a new system installed.

Does R-410A harm the environment? ›

Many refrigerants damage our environment

In fact, one kilogram of the refrigerant R410a has the same greenhouse impact as two tonnes of carbon dioxide, which is the equivalent of running your car for six months.

Is the R32 slow? ›

The R32 is not a slow car, it is more than fast enough for the road, once more it can be driven fairly hard without taking liberties, you can bump up towards the edge of its ability, unlike the R.

How many kilowatts is a R32? ›

The R32 Premium series sees the inclusion of a new 8.5kW model added to its single phase range of 7.1kW to 16.0kW models.

What is the newest AC refrigerant? ›

Beginning next year, new cooling systems will contain a refrigerant called R-454b with a lower global warming potential. This refrigerant is more environment-friendly than its predecessors but also mildly flammable. You can rest assured our ACS Air Conditioning Services technicians know how to handle it safely.

What is the best natural refrigerant? ›

Ammonia is the most important of the natural refrigerants because of its longstanding and widespread use in food and beverage processing and preservation, and because of its growing adoption in HVAC chillers, thermal storage systems, process cooling and air conditioning, district cooling systems, supermarkets, and ...

What is the most efficient refrigeration compressor? ›

With energy savings of 60% over fixed-speed compressors, the GA VSDS is the most energy-efficient, sustainable compressor on the market today.

Which refrigerant has the highest refrigeration effect? ›

Therefore, very low mass of refrigerant will be required for the same capacity and compressor size. The highest refrigerating effect (average value of 244.7 kJ/kg) was obtained using R152a compare with 136.1 kJ/kg of R134a at condensing temperature of 40 o C.

What is R32 refrigerant name? ›

R32 refrigerant is also known as difluoromethane and belongs to the HFC family of refrigerant. This gas is poised to replace the other gaseous such as R-410A and R-407C as the preferred gas due to its lower Global Warming Potential. Its chemical formula is CH2F2.

Is R32 refrigerant expensive? ›

Compared to other refrigerants on the market, R32 is more efficient—and therefore less expensive—and easier to recycle.

Why is R32 popular? ›

Notably, the revered status of the R32 is due mainly to the exploits of the R32 GT-R on and off the race tracks. Amazingly, the R32 GT-R is powered by the awesome RB26DETT engine that was designed to produce around 500 horsepower in the racing versions but was understated to 276 horses in production trims.

Do you charge R32 as liquid or Vapour? ›

Working pressures for R32 are very similar to R410A and, when charging, R32 is easier to handle, says Daikin, as, unlike R410A, it can be charged in both a gas and a liquid state.

Can you smell R32 refrigerant? ›

Refrigerant Leaks

AC units manufactured since 2010 use R410A, and more recently, R32 refrigerants, both are virtually odourless. This means that a smell of rotten eggs is unlikely to be the smell of leaking refrigerant coming from your air conditioner itself.

Which AC gas is not harmful? ›

Hydro-Carbons -- The chemical names of refrigerants R-290 and R-600A are Propane and Iso-Butane, respectively. These are the two most environment-friendly refrigerants that are currently available in the Indian market.

Which gas is banned in AC? ›

R22 is a hydrochlorofluorocarbon (HCFC) that, until it was banned, was commonly used in air conditioning. After being banned for use in new equipment back in 2004, it is now illegal to use virgin, recycled and reclaimed HCFCs during servicing, maintenance and repair.

Is R32 harmful to breathe? ›

Toxic substances like hydrogen fluoride and carbon dioxide are created when R32, like all fluorinated refrigerants, is burnt. Asphyxiation and freeze burns are also a risk.

› air conditioning ›

In this week's article I'm going to be talking about R32 refrigerant, as the benefits of using this refrigerant and compatible air conditioning systems ...
It also replaced R22 refrigerant which was banned because of its potential to damage the ozone layer and the HFC R407C. R410A though is a hydrofluorocarbon (HFC...
AUSTRALIA: Air conditioning manufacturers' groups have hit back at suggestions that the low GWP refrigerant R32 is extremely flammable, highly toxic and cau...

Which AC gas is best for cooling? ›

Although they also have the potential for global warming, but still they are better than HCFCs as they do not deplete the ozone layer. The most common HFC used in air conditioners is R-410A.
...
RefrigerantGlobal Warming PotentialOzone Depletion Potential
R-410A2088Zero
R-32675Zero
R-134A1430Zero
R-2903Zero
2 more rows
7 Aug 2017

Which cooling refrigerant is best? ›

R32 and R410A are the most commonly used refrigerant in the residential air conditioners having zero ODP, R410A is having higher GWP than R32. R32 is slightly flammable and because of risk of hazard, R410A was developed with lower flammability hazard with the mixture of R32 and R125.

Who uses R32 refrigerant? ›

Carrier has selected R-32 refrigerant to replace R-410A refrigerant, in commercial chillers and heat pumps using scroll technology. R-32 was chosen for its lower environmental impact, high energy efficiency, wide availability and ease of use.

Is R32 more energy efficient? ›

Daikin's R32 refrigerants provide energy efficiency, lower power consumption, lower conversion costs, sufficient supply capabilities, better life cycle climate performance, and lower GWP. They are also of top quality to ensure that your air-con is always in optimal operating conditions.

Which gas is better for a split AC R22 or r410 or R32? ›

Hydrofluorocarbons (HFCs)

Please note that R-32 is better than R-410A regarding Global warming. Even the HFCs like R-32, R-410A are also not environment-friendly, but they are a lot better than R-22. Our Indian Government is also planning to phase out Hydrofluorocarbons in the coming years.

What is replacing R410A? ›

RS-53 (R470A) is a new non-flammable Drop-in replacement for R410A with a low Global Warming Potential (GWP) less than half that of R410A. RS-53 (R470A) has a similar thermodynamic performance to R410A with matching energy efficiency and cooling capacity.

What replaces R32 refrigerant? ›

MULTICOOL-HC32 is a high purity mixture of propane R290 and R170 ethane. It is a refrigerant with a reduced global warming potential (GWP). It is designed to replace R410a and R32 in most stationary residential and commercial air conditioning systems.

What is the newest AC refrigerant? ›

Beginning next year, new cooling systems will contain a refrigerant called R-454b with a lower global warming potential. This refrigerant is more environment-friendly than its predecessors but also mildly flammable. You can rest assured our ACS Air Conditioning Services technicians know how to handle it safely.

Is R32 gas flammable? ›

Changes to the Dangerous Goods Legislation, effective in 2021, has new categories for A2L refrigerants. R32 is a synthetic greenhouse gas. If released to the atmosphere it can contribute to climate change. R32 is a flammable refrigerant.

Does R32 gas smell? ›

Hydrogen fluoride has a very foul odour. It would be expected that if a R32, R22 or R410A leak occurred in a room with a combustion source the smell would alert occupants to leave the room before they are exposed to dangerous levels of hydrogen fluoride.

What is the suction pressure of R32? ›

R32 has similar working pressure to R410A around 12-26 Bar (174-377 Psi), however R32 has better capability to exchange heat-load than R410A and delivers higher capacity than R410A making the systems more efficient.

Is the R32 slow? ›

The R32 is not a slow car, it is more than fast enough for the road, once more it can be driven fairly hard without taking liberties, you can bump up towards the edge of its ability, unlike the R.

How many kilowatts is a R32? ›

The R32 Premium series sees the inclusion of a new 8.5kW model added to its single phase range of 7.1kW to 16.0kW models.

Is R32 eco friendly? ›

R32 is an eco-friendly alternative to other types of refrigerants available on the market today.

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