DuPont; Freon 22 is an HCFC refrigerant used for residential and commercial air conditioning and for medium- and low-temperature commercial refrigeration applications, including: food service, supermarket display cases, food storage and processing, and transport refrigeration systems.

DuPont; Freon 23 is an HFC retrofit refrigerant for R-13 and R-503 in very low temperature applications [below -40°F to -100°F (-40°C to -73°C)] such as medical freezers and environmental chambers. It can be used in new systems as well as to retrofit existing systems.

DuPont ISCEON 39TC is a non-ozone-depleting HFC retrofit refrigerant for R-12 in centrifugal chillers.

DuPont ISCEON MO29 is a cost-effective, non-ozone-depleting HFC refrigerant for replacing R-22 in medium-temperature direct expansion (DX) refrigeration applications (can also be used for low temperature), including commercial supermarket systems, and in stationary DX air conditioning applications, including DX water chillers.

DuPont ISCEON MO49Plus (R-437A) is an HFC retrofit refrigerant for R-12 in automotive air conditioning and stationary refrigeration systems and for replacing HCFC-containing refrigerant blends (e.g., MP39, MP66, and R-409A) in stationary refrigeration systems. ISCEON MO49Plus is compatible with traditional and new lubricants; in most cases no change of lubricant during retrofit is required.

DuPont ISCEON MO59 (R-417A) is a cost-effective, non-ozone-depleting HFC retrofit refrigerant for R-22 in direct expansion stationary air conditioning and medium-temperature commercial refrigeration systems.

DuPont ISCEON MO79 is a cost-effective, non-ozone-depleting HFC refrigerant for replacing R-22, R-502, and HCFC-containing refrigerant blends in medium- and low-temperature commercial and industrial direct expansion refrigeration systems.

DuPont, the inventor of Freon 22, continues to provide innovative solutions with ISCEON refrigerants, a family of efficient and cost-effective, non-ozone-depleting HFC retrofit refrigerants. Starting 2010, as a result of the more aggressive phasedown of HCFCs agreed to under the Montreal Protocol, U.S. R-22 demand will exceed allowed virgin R-22 supply by 27.5 million pounds every year from 2010 through 2014. This projection is based upon the latest EPA demand projections and the 2010 HCFC Allocation Final Rule.

DuPont Suva 123 is an HCFC retrofit refrigerant for R-11 in low-pressure centrifugal chillers. New centrifugal equipment designed with Suva 123 provides excellent energy efficiency. In retrofits of existing centrifugal chillers, systems modifications are often needed to increase capacity or avoid material incompatibility. Consult with the OEM for specific guidance.

DuPont Suva 124 is an HCFC retrofit refrigerant for R-114 in some applications, such as centrifugal chillers. It is also used in high ambient cooling applications such as overhead cranes. When replacing R-114 with Suva 124 in existing equipment, significantly higher refrigeration capacity will be encountered and engineering modifications may be required. Consult with the OEM for specific guidance.

DuPont Suva 134a is an HFC retrofit refrigerant for R-12. It is used in new medium- and high-temperature stationary commercial refrigeration, as well as chiller systems and home appliances. In addition, it can be used to retrofit existing R-12 refrigeration and air conditioning systems. It is also the global standard for new mobile air conditioning and can be used to retrofit existing R-12 mobile air conditioning systems.

DuPont Suva 134a is an HFC refrigerant replacement for R-12. It is the global standard for new mobile air conditioning and can also be used to retrofit existing R-12 mobile air conditioning systems. It is also used in new medium- and high-temperature stationary commercial refrigeration, as well as chiller systems and home appliances. In addition, it can be used to retrofit existing R-12 refrigeration and air conditioning systems.

DuPont Suva 236fa is an HFC retrofit refrigerant for R-114 in some low-pressure centrifugal chillers. In retrofits of existing centrifugal chillers, systems modifications are often needed and the OEM should be consulted for specific guidance. It is also used in high ambient cooling applications such as overhead cranes.

DuPont Suva 404A (HP62) continues to lead the way as the global industry standard HFC refrigerant for new commercial refrigeration applications. Suva 404A (HP62) delivers exceptional capacity and efficiency as an R-502 and R-22 replacement in refrigeration applications and is approved for use by the leading compressor and equipment manufacturers worldwide.

DuPont Suva 407C is an HFC refrigerant replacement for R-22 in positive displacement systems such as new or existing residential and commercial air-conditioners and heat pumps. Suva 407C offers similar performance to R-22 and can be used to retrofit existing R-22 air-conditioning systems. Suva 407C can also be used to replace R-502 for some existing medium-temperature applications with evaporator temperatures above +20°F (-7°C).

DuPont Suva 408A, an HCFC-based refrigerant, is a retrofit refrigerant option for replacing R-502 in existing low- and medium-temperature commercial refrigeration systems such as supermarket systems. It is an alternative to HP80 where lower operating pressures are desired such as in older systems with limited condensing capacity. No oil change is needed in many unitary and close-coupled systems.

DuPont Suva 409A, an HCFC-based refrigerant, is a cost-effective retrofit refrigerant for R-12 stationary positive displacement air-conditioning and refrigeration systems such as walk-in coolers, beverage dispensers, vending machines, and supermarket systems. No oil change is needed in many unitary and close-coupled systems.

DuPont Suva 410A is the leading HFC refrigerant for replacing R-22 in positive displacement residential and light commercial air-conditioning and heat pump systems. It has higher cooling capacity and significantly higher pressure than R-22 and should be used only in systems specifically designed for R-410A.

DuPont Suva 507 is an HFC replacement option for R-22 and R-502 in commercial refrigeration systems. It can be used in new and existing systems, and provides very similar performance to R-502 over the entire operating range.

DuPont Suva 95, a PFC-based refrigerant, is the industry standard replacement for R-13 and R-503 in very low temperature applications [below -40°F to -150°F (-40°C to -101°C)] such as medical freezers and environmental chambers. It offers advantages over R-23, including significantly lower compressor discharge temperatures, making it the best choice to ensure optimum systems reliability for critical applications. Suva 95 can be used in new equipment and can also be used to retrofit existing systems.

DuPont Suva HP80 is an HCFC retrofit refrigerant for R-502 in existing low- and medium-temperature commercial refrigeration systems such as reach-in and walk-in freezers, as well as supermarket systems. Field experience has shown that no oil change is needed in many unitary and close-coupled systems.

DuPont Suva HP81 is an HCFC retrofit refrigerant for R-502 in limited applications where a 10°F to 20°F (5.5°C to 11°C) increase in compressor discharge temperature is desirable, such as some ice machines and other self-contained systems. Field experience has shown that no oil change is needed in many unitary and close-coupled systems.

DuPont Suva MP39 is an HCFC retrofit refrigerant for R-12 in stationary positive displacement air-conditioning and refrigeration systems such as walk-in coolers, beverage dispensers, vending machines, and supermarket systems. Field experience has shown that no oil change is needed in many unitary and close-coupled systems.

DuPont Suva MP66 is an HCFC-based refrigerant for R-500 systems. It can also be used instead of MP39 for retrofit of R-12 in low-temperature stationary positive displacement systems such as commercial freezers where higher capacity is needed [works best <-15°F (-26°C) evaporator]. MP66 is also used in some R-12 transport refrigeration systems. Field experience has shown that no oil change is needed in many unitary and close-coupled systems.