The Daikin r-32 Story

R-32 Refrigerant: Advancing HVAC

R-32 refrigerant’s impact goes beyond sustainability—it’s a low global warming potential (GWP) refrigerant that can allow for high HVAC system performance, efficiency, and ease of use as a single-component refrigerant.

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R-32 Innovation

R-32 Innovation

To advance future sustainability goals, a timely transition from the blended R-410A to the pure, single-component, low GWP R-32 refrigerant is essential.


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Good for Sustainability

Good for Business

Good for Homeowners

R-32 refrigerant’s global warming potential is 68% lower than R-410A and can reduce direct emissions from refrigerant by up to 73.6% as compared to R-410A, based on our analysis*. It's low global warming potential (GWP) properties help homes and businesses transition to sustainable practices.

*Comparison is made using the Life Cycle Climate Performance (LCCP) metric, measured in kg-CO2.eq. LCCP analysis was performed using a high-efficiency HP (24+ SEER), using performance gains claimed by the respective refrigerant manufacturer, for a residential-sized (9000 Btu/h cooling capacity), installed in Houston, TX climate zone, with an assumed annual leakage rate of 4% and end of life refrigerant leakage of 15% with a 15 year lifetime. The heating COP and SEER were adjusted based on refrigerant characteristics and performance. The physical system size, trim charge requirements, and capacity were consistent to ensure a like-to-like comparison.

In commercial settings, Daikin heat pumps offer buildings precise climate control, ensuring comfortable environments for customers and employees while reducing operational costs.2 Ideal for offices, hotels, or industrial facilities, heat pumps provide efficient heating and cooling that supports sustainability initiatives and contributes to the smooth operation of sensitive equipment.

Daikin heat pumps provide year-round energy-efficient heating and cooling, resulting in lower energy bills and consistent comfort. Whether you’re building, upgrading, or remodeling, they offer environmentally friendly temperature control that reduces reliance on fossil fuels and enhances indoor air quality, making them a sustainable and cost-effective choice for any home.

Refrigerants and R-32

Refrigerants are essential for air conditioning and heat pump systems, as they absorb heat or release heat to provide indoor comfort. R-32 refrigerant has been used in over 280,000,000 systems worldwide and is available in North America. This established availability can continue to support R-32's use in the foreseeable future. Depending on the specific HVAC system design, R-32 refrigerant requires a smaller volume than R-410A, meaning you need less refrigerant in your HVAC system to maintain your indoor comfort.

Daikin uses R-32 refrigerant in its ductless mini-splits, air conditioners, heat pump systems, and light commercial and VRV products. This global company believes R-32 provides a balanced approach for the transition to a low GWP refrigerant.

Snapshot of R-32 benefits:

lower-bills

Efficiency

R-32 refrigerant has excellent thermodynamic performance with about 10% more thermal capacity than R-410A. This may help use less energy during operations which could lead to cost savings over the lifespan of the system.

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Maintenance

R-32 is a single component refrigerant, making it easy to service and maintain. The refrigerant's single-component nature simplifies recycling and recharging.1

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Availability

Homeowners and businesses need available HVAC solutions. R-32 is widely available, manufactured by numerous refrigerant producers, and distributed globally.

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Sustainability

R-32's lower global warming potential results in less environmental impact compared to R-410A. This can help businesses meet regulatory standards and sustainability goals.

 

Why is R-32 efficient?

R-32 refrigerant can help engineers design systems that use less electricity than comparable R-410A systems and it has excellent thermodynamic performance with about 10% more thermal capacity compared to R-410A.

The role of refrigerants in HVAC systems

To understand how R-32 refrigerant works, it's important to first understand the role of refrigerant. In an air conditioning or heat pump system, refrigerants are responsible for transferring heat. They undergo phase changes—switching from liquid to gas and back to liquid—as they absorb and release heat. This cycle is what allows air conditioners and heat pumps to cool or heat indoor spaces.

In cooling mode, the refrigerant absorbs heat from inside the building and releases it outside. In heating mode, the process is reversed and refrigerant absorbs heat from the outside and releases it inside. The efficiency of this heat transfer process is critical to the overall performance and energy consumption of the HVAC system.

How R-32 Works with Modern HVAC Systems

R-32 is compatible with the latest Daikin HVAC systems, including air conditioners, heat pumps, and VRV/VRF (Variable Refrigerant Flow) systems. These modern systems are designed to maximize the efficiency of R-32 and can feature inverter technology that further optimizes the system’s performance by adjusting the compressor's speed to match the heating or cooling demand.

Low Global Warming Potential (GWP)

An important feature of R-32 refrigerant is its low Global Warming Potential (GWP). R-32 has a GWP of 675, which is significantly lower than R-410A, which has a GWP of 2,088. This means that if R-32 is accidentally released into the atmosphere, it can have a much smaller impact on global warming than its predecessors.

Refrigerant with the future in mind

R-32 refrigerant stands as a benchmark of innovation in the realm of refrigerants. Its energy efficiency properties, ease of use, and low global warming potential showcase our dedication to creating sustainable solutions for dependable indoor comfort. Daikin’s adoption of R-32 refrigerant represents a pivotal moment in refrigerant technology.

A Legacy of Innovation

At Daikin, standards are redefined, not just in heating, cooling, ventilation, and indoor air quality products, but in providing unparalleled indoor comfort. Daikin takes great pride in championing R-32 as a symbol of a forward-thinking approach and dedication to sustainability and continues to be dedicated to meeting today's needs while anticipating tomorrow's growing demand.

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*Comparison is made using the Life Cycle Climate Performance (LCCP) metric, measured in kg-CO2.eq. LCCP analysis was performed using a high-efficiency HP (24+ SEER), using performance gains claimed by the respective refrigerant manufacturer, for a residential-sized (9000 Btu/h cooling capacity), installed in Houston, TX climate zone, with an assumed annual leakage rate of 4% and end of life refrigerant leakage of 15% with a 15 year lifetime. The heating COP and SEER were adjusted based on refrigerant characteristics and performance. The physical system size, trim charge requirements, and capacity were consistent to ensure a like-to-like comparison.

 1Daikin. "32 Reasons to Choose R-32 Refrigerant." R32Reasons.com. https://www.r32reasons.com/32-reasons.