There's more than one good reason to choose R-32.

In fact, there are 32 of them.

Up to
12% more
efficient.
1
reason 1

Up to 12% more efficient.

R-32 systems are up to 12% more efficient than similar R-410A systems.
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Reason 1

Up to 12% more efficient.

Test data in Daikin's labs of inverter-driven compressors for rooftop units and water-cooled chillers found that full-load and partial-load efficiency rating metrics can be improved by up to 12% using R-32 instead of R-410A. 

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Light
weight
units.
2
reason 2

Light weight units.

R-32 refrigerant's efficiency and capacity can allow for light weight units in certain applications. 
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Reason 2

Light weight units.

R-32’s excellent thermodynamic properties allow the HVAC system to use less refrigerant to accomplish the same heat transfer compared to blends for any efficiency level. Moving less refrigerant through the HVAC systems allows for design with smaller motors, smaller diameter piping and smaller heat exchangers to provide the same capacity and efficiency as blended refrigerants, resulting in lighter weight and more compact units.

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Better for
the planet.
3
reason 3

Better for the planet.

R-32 refrigerant has a significantly lower total life cycle refrigerant impact on the environment compared to R-410A.
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Reason 3

Better for the planet.

Total life cycle refrigerant impact measures the direct emissions from refrigerant, as well as the indirect emissions from electricity consumption. Because R-32 has a GWP of 675 and requires less charge in certain systems, direct emissions from those systems can be up to 80% lower than similar R-410A systems. And because R-32 can obtain higher efficiencies than many blends, units can be designed to consume less electricity over the lifetime of the equipment. The result? Fewer carbon emissions that contribute to climate change. 

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Easy to
work with.
4
reason 4

Easy to work with.

R-32 refrigerant is easier to clean, reuse, recover and reclaim than non-azeotropic blends.
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Reason 4

Easy to work with.

As a pure, single-component refrigerant, R-32 can be topped off and recharged in the field, in both liquid and gas phases, without changes in composition. It is easy to clean and reuse on-site, and is easy to reclaim and recycle off-site  with a simple cleaning process, particularly as compared to blends with HFOs that are typically reclaimed by being distilled to their pure compounds and then remixed.

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Globally
accepted.
5
reason 5

Globally accepted.

Over 100 million R-32 units have been safely deployed worldwide.
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Reason 5

Globally accepted.

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Non-
proprietary.
6
reason 6

Non-proprietary.

R-32 is readily available from multiple suppliers.
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Reason 6

Non-proprietary.

R-32 is widely available, manufactured by numerous refrigerant producers, and distributed globally. There are no active patents on the basic molecule. Some alternative low-GWP blends can be proprietary to the companies that own the patents, potentially limiting access and supply. 

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Low price
per pound.
7
reason 7

Low price per pound.

R-32 refrigerant historically has a lower price per pound than R-410A, and a much lower price per pound than most available proprietary low GWP blends.
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Reason 7

Low price per pound.

R-32 systems can have a positive impact on climate change. Total life cycle refrigerant impact measures the direct emissions from refrigerant, as well as the indirect emissions from electricity consumption. Because R-32 has a GWP of 675 and requires less charge in certain systems, direct emissions from those systems can be up to 80% lower than similar R-410A systems. And because R-32 can obtain higher efficiencies than many blends, systems that consume less electricity over those systems’ lifetimes can be introduced. The result? Fewer carbon emissions that contribute to climate change.  

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Pure, not
blended.
8
reason 8

Pure, not blended.

R-32 is a single-component refrigerant making it easier to clean, reuse, recover and reclaim than blends.
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Reason 8

Pure, not blended.

As a pure, single-component refrigerant, R-32 can be topped up and recharged in the field, in both liquid and gas phases, without changes in composition. It is easy to clean and reuse on-site, and easy to reclaim and recycle off-site with a simple cleaning process, particularly as compared to blends with HFOs that are typically reclaimed by being distilled to their base components and then remixed.

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Widely
available.
9
reason 9

Widely available.

R-32 refrigerant is widely available from multiple manufacturers. 
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Reason 9

Widely available.

R-32 is widely available, manufactured by numerous refrigerant producers, and distributed globally. There are no patents on the basic molecule. Certain alternative low-GWP blends can be proprietary to the companies that own the patents, potentially limiting access and supply. 

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Easy to
install.
10
reason 10

Easy to install.

R-32 refrigerant’s efficiency and capacity can allow for lighter weight units in certain applications, making them easy to install. 
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Reason 10

Easy to install.

R-32’s excellent thermodynamic properties provide OEM engineers the opportunity to design systems that use less refrigerant to accomplish heat transfer compared to other blends, over a range of efficiency levels. Moving less refrigerant through the HVAC systems allows for designs with smaller motors, smaller diameter piping and smaller heat exchangers to provide the same capacity and efficiency as blended refrigerants.

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Low
refrigerant
carbon
footprint.
11
reason 11

Low refrigerant carbon footprint.

R-32 systems can reduce refrigerant carbon footprint by up to 80% as compared to R-410A.
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Reason 11

Low refrigerant carbon footprint.

R-32 systems can have a positive impact on climate change. Total life cycle refrigerant impact measures the direct emissions from refrigerant, as well as the indirect emissions from electricity consumption. Because R-32 has a GWP of 675 and requires less charge in certain systems, direct emissions from those systems can be up to 80% lower than similar R-410A systems. And because R-32 can obtain higher efficiencies than many blends, systems that consume less electricity over those systems’ lifetimes can be introduced. The result? Fewer carbon emissions that contribute to climate change.  

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You may
already be
using it.
12
reason 12

You may already be using it.

R-32 is a key component of many other blended refrigerants.
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Reason 12

You may already be using it.

Because of R-32’s availability, low cost, and excellent performance, it is used in large quantities in R-410A and most alternative low GWP blends.

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Lower
GWP.
13
reason 13

Lower GWP.

R-32 refrigerant’s GWP is 68% lower than R-410A's.
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Reason 13

Lower GWP.

R-32 has a direct GWP of 675 (AR4) during operation and at end of life. 675 is lower than any currently enacted legislative and regulatory standards in North American jurisdictions.

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Efficient
in harsh
conditions.
14
reason 14

Efficient in harsh conditions.

R-32 refrigerant can be used in heat pump and cooling applications and in extreme cold and hot climates with excellent performance.
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Reason 14

Efficient in harsh conditions.

R-32 systems can be more efficient in a broader range of operating conditions in certain applications. Testing in Daikin’s labs of inverter-driven compressors for rooftops units and water-cooled chillers found that full-load and partial-load efficiency rating metrics can be improved by up to 12% by using R-32 instead of R-410A. Daikin estimates over 100 million R-32 units are in operation around the globe in more than 90 countries and climates, including Japan, India, Australia, the Middle-East, Russia, Greenland, the European Union and the United States. 

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10% more
thermal
capacity.
15
reason 15

10% more thermal capacity.

R-32 refrigerant has excellent thermodynamic performance, with about 10% more thermal capacity than R-410A.
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Reason 15

10% more thermal capacity.

R-32 has greater latent heat capacity than R-410A, which means that R-32 can achieve the same capacity at a lower refrigerant flow rate. And at a lower flow rate, less energy is required to produce refrigerant flow, resulting in higher efficiencies for R-32. 

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No glide.
16
reason 16

No glide.

R-32 refrigerant has no negative performance impacts due to composition change, regardless of the type of heat exchanger.
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Reason 16

No glide.

R-32 is a single component refrigerant and has no glide. When blends separate, you can negatively impact heat exchanger and system performance. Because R-32 is a single component refrigerant, its composition doesn’t change, so there are no negative blend-related performance impacts in any type of heat exchanger.

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Design for
low total
cost of
ownership.
17
reason 17

Design for low total cost of ownership.

R-32 refrigerant’s increased efficiency helps OEM engineers design systems with low electricity consumption over the system’s life.
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Reason 17

Design for low total cost of ownership.

When you combine the low cost for R-32 per pound and the low charge quantity with low electricity consumption, R-32 can yield low total cost of ownership. Add in easier handling from recharging in the field as compared to non-azeotopic blends, R-32 can add up impressive savings.

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Tops off.
18
reason 18

Tops off.

R-32 is a pure, single component refrigerant that doesn’t change composition over time.
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Reason 18

Tops off.

Because R-32 is a pure, single component refrigerant, service technicians can be assured that the composition has not changed over time, so it is easy to top off during a service call. With non-azeotropic blends, it is generally not recommended to top off; the system may need to be evacuated and then recharged with new refrigerant, which can be costly in terms of materials and labor. 

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Used around
the globe.
19
reason 19

Used around the globe.

Service techs around the world have safely and effectively handled R-32 across a wide variety of HVAC applications.
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Reason 19

Used around the globe.



R-32 has been safely deployed in over 100 million units in the US and around the world. In more than 90 countries, mechanical contractors and service technicians are already knowledgeable and skilled in its safe and effective handling in many HVAC applications including residential splits, VRF, scroll chillers, rooftops, and window units. R-32 has become the de facto global standard to replace R-410A in many HVAC applications.

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Pledged
patents.
20
reason 20

Pledged patents.

Daikin Industries, Ltd., has granted free access and pledged many R-32 equipment patents, to increase the pace of R-32 innovation.
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Reason 20

Pledged patents.

Daikin Group offers worldwide free access to certain of its equipment patents to help other innovators accelerate their product development using this top performing refrigerant. 

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Chosen by
manufacturers
around the
world.
21
reason 21

Chosen by manufacturers around the world.

More than 40 manufacturers have chosen R-32 as a replacement to R-410A in their residential and commercial HVAC applications.
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Reason 21

Chosen by manufacturers around the world.

R-32 has been selected as the alternative to R-410A by more than 40 manufacturers around the world, including Asia, Europe, India and North America. Today it's safely deployed in over 100 million units including residential splits, VRF, scroll chillers, rooftops, and window units. R-32 has become the de facto global standard to replace R-410A in many HVAC applications.

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Difficult
to ignite.
22
reason 22

Difficult to ignite.

R-32 refrigerant requires approximately 100 times more energy to ignite than the propane commonly used in household appliances. 
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Reason 22

Difficult to ignite.

R-32 is a proven, lower toxicity mildly flammable refrigerant. R-32 is classified as an A2L. National and international safety standards have been modified to help protect building users, such that the HVAC equipment and systems are engineered with proven safety mitigations. More than 100 million R-32 units are operating safely around the world in chillers, packaged rooftops, VRF, residential splits and window air conditioning units.

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Lower
charge.
23
reason 23

Lower charge.

R-32 systems could reduce refrigerant charge in certain equipment up to 40%.
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Reason 23

Lower charge.

Because R-32 is a pure, single component refrigerant with excellent thermodynamic performance characteristics, an R-32 system could have up to 40% less charge than a similar R-410A system, meaning you could reduce the amount of refrigerant in the system and potentially also reduce the amount of refrigerant leaking to the environment. 

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Falls below
many
international
GWP
requirements.
24
reason 24

Falls below many international GWP requirements.

R-32 falls below many international GWP requirements for next-generation refrigerants.
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Reason 24

Falls below many international GWP requirements.

While there is no single international standard for GWP limits, many countries have set a benchmark of less than 750. For example, by 2025, the European Union's F-gas Regulation will ban certain new split AC systems containing less than 3kg of HFCs that have a GWP greater than 750; Canada will limit GWP for refrigerants used in certain new comfort chillers to 750 by 2025; and Japan has targeted a GWP of 750 for various room air conditioning and commercial air conditioning.  

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Design to
draw less
electricity.
25
reason 25

Design to draw less electricity. 

R-32 helps OEM engineers design systems that use less electricity than comparable R-410A systems.
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Reason 25

Design to draw less electricity. 

Because R-32 can obtain higher efficiencies than many blends, OEM engineers can develop systems that consume less electricity over those systems’ lifetimes. The result? Lower electricity costs over the life cycle of the equipment. 

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Design
systems
using fewer
raw
materials.
26
reason 26

Design systems using fewer raw materials. 

R-32 helps OEM engineers design systems that use fewer raw materials than comparable R-410A systems.
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Reason 26

Design systems using fewer raw materials. 

R-32’s excellent thermodynamic properties can allow the HVAC system to use less refrigerant to accomplish heat transfer compared to other blends for any efficiency level. Moving less refrigerant through the HVAC systems allows for design with smaller motors, smaller diameter piping and smaller heat exchangers to provide the same capacity and efficiency as blended refrigerants. Smaller parts can benefit the environment because less energy is needed to mine and process raw materials and ship finished goods. 

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Zero
composition
change.
27
reason 27

Zero composition change.

R-32 refrigerant maintains performance efficiency over time. 
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Reason 27

Zero composition change.

Because R-32 is a single component refrigerant, its composition doesn’t change over time as it does with most blended refrigerants. This means there are no negative performance impacts due to composition change. And R-32 can be easily topped off or recharged in the field in either a liquid or gas phase. 

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Easy
to reuse
and recycle.
28
reason 28

Easy to reuse and recycle. 

As a pure, single-component refrigerant, R-32 is easier to reuse and recycle compared to alternative non-azeotropic blends.
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Reason 28

Easy to reuse and recycle.

Pure, single component R-32 makes “Reduce, Reuse, Recycle" a new reality in the industry.
  • Reduce: Certain R-32 systems could have up to 40% less charge than similar R410A systems.
  • Reuse: R-32 can be topped up and recharged in the field, in both liquid and gas phases, without changes in composition. It is easy to clean and reuse on-site. Section 608 of the Clean Air Act allows appliance owners to reuse recovered refrigerant in other equipment under same ownership. A single component refrigerant can’t lose its composition like many blended refrigerants and will retain its quality over time.
  • Recycle: R-32 can be reclaimed and recycled off-site with a simple cleaning process, as compared to blends with HFOs that are typically reclaimed by being distilled to their base components and then remixed.

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Chargeable in
liquid and
gas forms.
29
reason 29

Chargeable in liquid and gas forms.

R-32 refrigerant can be charged in either phase.
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Reason 29

Chargeable in liquid and gas forms.

Being a pure, single-component refrigerant, R-32 can be topped off and recharged in the field in both liquid and gas phases without changes in composition. 

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Components
with a
proven
history.
30
reason 30

Components with a proven history.

With today’s installed base exceeding 100 million units from over 40 OEMs, R-32 components have a proven history.
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Reason 30

Components with a proven history.

With today’s installed base exceeding 100 million units from over 40 OEMs, R-32 components have a proven history.  Products and components using many alternative, low-GWP refrigerants are under testing or have only recently been introduced to the HVAC market.

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Safe handling
in many
applications.
31
reason 31

Safe handling in many applications.

Proven use in more than 100 million units worldwide.
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Reason 31

Safe handling in many applications.



R-32 has been safely deployed in over 100 million units in the US and around the world. In more than 90 countries, mechanical contractors and service technicians are already knowledgeable and skilled in its safe and effective handling in many HVAC applications including residential splits, VRF, scroll chillers, rooftops, and window units. R-32 has become the de facto global standard to replace
R-410A in many HVAC applications.

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20+ million
new units
annually.
32
reason 32

20+ million new units annually. 

Since its inception in 2012, R-32 systems have become the global standard to replace R-410A in many HVAC applications.
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Reason 32

20+ million new units annually.



R-32 has been safely deployed in over 100 million units in the US and around the world. In more than 90 countries, mechanical contractors and service technicians are already knowledgeable and skilled in its safe and effective handling in many HVAC applications including residential splits, VRF, scroll chillers, rooftops, and window units. R-32 has become the de facto global standard to replace
R-410A in many HVAC applications.

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