With the very low gwp of hfo 1234yf, the overall carbon footprint of vehicle airconditioning is dominated by the energy efficiency of the system 4 5, the relative lccp for co2 systems was improved under lower ambient temperature conditions. Making its debut in the early 2000s it has quickly rose to power and will soon be the dominant refrigerant in the automotive industry. Europe regulations call for low gwp refrigerant in all new vehicles in 2017. With its low gwp and excellent cooling performance, opteon yf is ideally positioned to be the new generation refrigerant leader for mobile air conditioning applications. Hfo1234yf is a nonozone depleting, low global warming potential gwp refrigerant. Lccp calculations were done in several key cities representing different climatic regions of the world using the greenmac lccp 2007. The transition from hfc4a to low gwp refrigerants in. Hfo1234yf low gwp refrigerant update honeywell dupont joint collaboration mark spatz barbara minor honeywell dupont international refrigeration and air. Opteon yf r1234yf automotive refrigerant readily meets global regulations for lower gwp refrigerants. Hfo1234yf will remain the only viable lowgwp vehicle air conditioner. It thus significantly reduces the carbon footprint of refrigeration systems over the total lifetime.
Hfo1234yf is a new low global warming refrigerant that has the. Hfo1234yf low gwp refrigerant lccp analysis sae international. Opteon yf is the chemours brand name for hfo 1234yf refrigerant, also referred to as r1234yf. This new hydrofluoroolefin hfo1234yf has a global warming potential gwp of 4 as compared to the gwp of 1430 that is associated with r4a, the most commonly used hydrofluorocarbon mac refrigerant. Nextgeneration refrigerant delivers low gwp dupont. Hfo r1234yf has a gwp of just 4, providing substantially lower direct greenhouse gas. M a f l o w remarks with the same gas concentration 0. Hfo1234yf a low gwp refrigerant for mac honeywelldupont. The european unions mobile airconditioning mac directive requires that, starting in 2011, all new vehicle models use a refrigerant with a gwp below 150.
The sae international mac refrigerant blend cooperative research program. Automotive refrigerant with low global warming potential. Mac lccp 2007 model was used as the basic foundation for this analysis. The transition from hfc 4a to a lowgwp refrigerant in. An important environmental parameter endorsed by the automotive industry is life cycle climate performance lccp which represents the cradletograve envir. This growth can be attributed to the low environmental impact of low gwp refrigerants, phasing out of cfc, hcfc, and hfc refrigerants, and the increasing demand for refrigerants and air. Macs member honeywell wins heroes of chemistry award for. The honeywell team identified and developed the next generation hydrofluoroolefin hfo refrigerant for mobile air conditioning mac systems. Hfo1234yf shows lower permeability values toward veneer hoses compared to r4a. With a gwp of 4, dupont opteon yf hfo1234yf refrigerant delivers 97. Hfo r1234yf has a gwp of just 4, providing substantially lower direct greenhouse gas emissions than r4a systems. Timing became driven by the european union mac directive. R1234yf, or hfo1234yf is soon to be one of the most popular refrigerants in the world.
In response, the 2006 eu mobile air conditioning mac directive mandates. With the very low gwp of hfo 1234yf, the overall carbon footprint of vehicle. Hfo1234yf market overview 2020, raw materials analysis. Hfo1234yf is a new low global warming refrigerant that has the potential to be a global sustainable solution for automotive air conditioning. Nextgeneration refrigerant delivers low gwp dupont automotive. Minor, barbara and spatz, mark, hfo1234yf low gwp refrigerant update 2008. The industry shift to a new, lowgwp refrigerant for vehicle air conditioners is well underway the new chemical, hfo1234yf, has a gwp of only 4, versus over 1,400 for the current refrigerant r 4a the switch will eliminate about 4% of automobile greenhouse gases although development work continues on other possible future alternatives. Today, as i write this in october of 2017 there are approximately thirtyfive million cars.
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