list of banned refrigerants
Some suppliers have been known to ask for a certification purely for purchase. refrigerants rather than for foam blowing, solvent, aerosol propellant, fire suppressant, or other purposes. The illegal refrigerant trade makes use of non-recyclable canisters, making them instantly recognisable by buyers. On the EPA website, there is a long list of refrigerants allowed for stand-alone equipment. You can check with an HVAC expert or check the owners manual for more information if you arent sure. 0000006029 00000 n Buying a New Air Conditioner or Heat Pump. Servicing of existing vehicles using HFC-134a with HFC-134a will not be impacted and will continue to be allowed. There, you are not even allowed to repair systems using R22 now. 0000013721 00000 n It isnt massively better, but in a widely used product, every little helps, right? 0000004211 00000 n endstream endobj 321 0 obj <> endobj 322 0 obj <> endobj 323 0 obj <>stream Concerning AC systems and heat pumps: these include all the flammable hydrocarbons and hydrocarbon blends sold in the US as replacements for R22. The flammable class 3 hydrocarbon refrigerant propane, was previously SNAP-listed for use in domestic refrigerators and freezers and, under the new rules, is also being listed as acceptable in new commercial ice machines, new water coolers, and new very low temperature refrigeration equipment. 0000137524 00000 n After 2020, the servicing of systems with R-22 will rely on recycled or stockpiled quantities . Need to anonymously report illegal refrigerants? @@@)Rg7h#0@0%'Z9s#^fI,g0td(\!Cl$)(pY&@6%.kaW)2zTp~L18A%WZ?xekan6 Secure .gov websites use HTTPS The Ozone Layer. While it probably wouldnt be wise to drink R410A, it would likely cause a bit of irritation in the stomach. Ban on remaining production and import of all HCFCs . It is time for a replacement. A specific answer depends on the age of the unit currently in your home. As time goes on, there will be a lower amount of R22 refrigerant available. R-407C is going to be a bit closer to R22 than many of the other alternatives. Still need help? R-32 is the refrigerant that is likely to end up replacing R410A over the next few decades. A printable brochure is available for new climate-friendly motor vehicle air conditioning refrigerants. No. 0000091677 00000 n A refrigerant is a working fluid used in the refrigeration cycle of air conditioning systems and heat pumps where in most cases they undergo a repeated phase transition from a liquid to a gas and back again. They ban production and imports of R-22 and R-142b for new equipment starting in 2010, but allow their continued Each manufacturer, including Koura and their Klea refrigerants, must provide a returns process so that canisters can be reused or properly disposed of, depending on the condition. vP"#-/i.O5%S52t-3X%_>b-[H"O$2K8%( ,"m' 4L Wholesalers that sell either ozone-depleting or substitute refrigerants must retain invoices that indicate the name of the purchaser, the date of sale, and the quantity of refrigerant purchased. All HFCs, HFOs, PFCs & PFOs are assumed to be similar in terms of Semi-Empirical ODP being zero. Some HCFCs are assumed to be similar in terms of Semi-Empirical ODP. Acceptable, subject to use conditions, for new vehicles only (June 6, 2012, 77 FR 33315), Operates at 5 to 10 times higher pressure than other MVAC systems, Under development by several foreign automobile manufacturers, Exempt from the Section 608 venting prohibition, meaning it is legal to knowingly release this refrigerant to the environment; however, CO. Engineering strategies and/or mitigation devices shall be incorporated such that in the event of refrigerant leaks the resulting CO2 concentrations do not exceed the STEL of 30,000 ppm averaged over 15 minutes in the passenger free space and the ceiling limit of 40,000 ppm in the passenger breathing zone. . 0000004024 00000 n 2. IY7tHQmiyG?`cvQz>=Avf>;TfB@Vq-eE&B;%Wy^tHJ2KHxC t"(n@_ 8lwL '}Fi24@8vK@B;C}&Z#)$T~oPBSS;"o9w?[F&KFI4y?W%ooZ^kb9\2oha$,:Y7ZZ]oP^fs5 "mg"1*-W l) The delisted classification of these refrigerants will occur between 2016 and 2020. Refrigerants: F gases banned in new products Insulating foam: F gases banned in new products Air conditioning and heat pump systems: F gases banned in new products Aerosols: F gases. The chemical composition is different. The solution that would allow CFCs to be phased out is HydroChloroFluoroCarbons, also known as HCFCs. The solution that would allow CFCs to be phased out is HydroChloroFluoroCarbons, also known as HCFCs. Its not just the refrigerants that are regulated due to their environmental impact. However, you need to be licensed to handle and use it. In other words, you arent going to get fined or suffer any other consequences for keeping your freon-based unit around. First ASHRAE digit is the number of carbon atoms minus 1 (C-1); the second digit is the number of hydrogen atoms plus 1 (H+1); the third digit is the number of fluorine atoms; any remaining spaces are chlorine atoms. {@}shUL>/JnVZg+cmAa)}s"b4X1jDRq*?K.oEw)4Zj. .<6'b47 C"3-LqpN;ynDmn0QwW&L[3nYdi^/}jiz-Y0dZ_ XIk Lamarque, D. Lee, B. Mendoza, T. Nakajima, A. Robock, G. Stephens, T. Takemura and H. Zhang, 2013: Anthropogenic and Natural Radiative Forcing. If a wholesaler knows that refrigerant delivered to a purchaser when no one is present will ultimately be received by the purchaser or his authorized representative, then the wholesaler may deliver the refrigerant without obtaining the signature of an authorized representative. So, what is that all about? Contact with any part of your skin could result in frostbite, or at the very least, severe irritation. Need to anonymously report illegal refrigerants? Plant and animal life, agriculture, and materials like plastics and paints are also affected. We are bound by a common purpose: To Advance Life Around The World. This way, you can be sure that you are using a better product (but still not great) for the environment. xref In extremely rare cases, it can result in death. Some of them will be phased out starting 2020 due to their ODP. A system designed for one type of refrigerant will rarely work with another one. As a part of this program, the EPA will regularly evaluate ODS alternatives in order to identify refrigerants that pose less risk to the environment as well as human health. It is important to remember that if you add R-407C to the system, the system will need to be emptied beforehand. R410A is not dangerous if ingested either. Barring that, ask your HVAC technician the next time you have the unit checked out. 0000078794 00000 n In Japan, the Act on Rational Use & Proper Management of Fluorocarbons specifies the date the refrigerant will be banned for each application according to its GWP. No. 0000046936 00000 n , began to innovate. Expect that to change from about 2024 onward when R410A begins the period where it is phased out. This is because an R134A systm converts between gas and liquid at a vastly different temperature than R22. Koura Klea 473A wins Refrigeration Innovation of the Year at the 2022 Cooling Industry Awards, Koura launches Klea456A as analternativeto R-134afor theUK/Europeanautomotive aftermarket. Although, this only applies if you come into contact with the liquid form of R410A. Wholesalers that sell refrigerant for resale are legally responsible for ensuring that their customers fit into one of the categories of allowed purchasers under the sales restriction. HFO-1234yf MVAC systems must adhere to all of the safety requirements of SAE J639 (adopted 2011), including requirements for a flammable refrigerant warning label, high-pressure compressor cutoff switch and pressure relief devices, and unique fittings. The most common alternative refrigerant to R-22 is R-410A, which is sold under various names, such as GENTRON AZ-20 , SUVA 410A, and PURON . . 0000122947 00000 n However, retrofitted air conditioners tend to need more in the way of maintenance than a newer unit built to handle Puron in the first place. R-23 R-422A R-422D R-428A R-434A R-507A R-508A MO89 The overall goal of the Montreal Protocol and its amendments is to phase-out all ozone-depleting refrigerants, which has or will have occurred by 2020, and to eliminate the use of fluorocarbons (HFCs and PFCs) with a GWP of 2,500 or higher. Refrigerants affected The list of single component refrigerants defined as PFAS are: HFC125 HFC134a HFC143a HFO1234yf HFO1234ze (E) HFO1336mzz (E) HFO1336mzz (Z) HCFO1224yd It isnt. LFL = Lower Flammability Limit Please click here to see any active alerts. H|TMo@+ RMMLT ]bqi"w8=8YWf8}3aK txg^+v!a{Bhk 5YliFeT?}YV-xBmN(}H)&,# o0 294 0 obj <> endobj As a result of a July 2015 rulemaking, by model year 2021, the MVAC systems in newly manufactured light-duty vehicles in the United States will no longer use HFC-134a. Plattner, M. Tignor, S.K. It is the wholesaler's responsibility to determine whether persons who claim to represent a refrigerant purchaser are indeed authorized representatives. The Regulation banned the use of R22 as a "top-up" fluid for maintenance from 2010 for virgin fluid and from 2015 for recycled fluid. Some HCFCs are assumed to be similar in terms of Atmospheric Lifetime. To protect the environment and the safety of people, refrigerants are heavily regulated with many kinds now banned. EPAsSignificant New Alternatives Policy (SNAP) program reviews substitutes within a comparative risk framework in a variety of industrial sectors that historically used ozone-depleting substances. On January 1, 2022, the U.S. officially started its phase down of HFC refrigerants, such as R-410A and R-404A. It only operates at 400psi. The hope is that having experts refill the air conditioner means that any leaks are spotted and patched up. Industrial process air-conditioning units, which are distinct from commercial and residential air conditioning, provide comfort cooling for operators and protect process equipment. lBo0@FLHI. At this point, depending upon when you purchased your freon AC unit, it may be a good idea to replace the unit for this reason alone. trailer As the R410A pulls heat from the air, it will turn into a liquid. This is because it is far better at being able to pull the heat out of the air. At that point, you will probably be best off buying a new air conditioner. 0000004533 00000 n Join our mailing list to stay up to date with all the latest news from Klea. 4 Intertek has been informed by SASO about the list of banned, restricted and approved refrigerants issued by the National Center for Environmental Compliance in the KSA for use in Air conditioners, Refrigerators, Chillers and similar Electrical appliances. In the long term, yes, you should replace or make alterations to your existing AC unit. First of all, lets break down why R-22 is being eliminated in the first place. 0000047210 00000 n Official websites use .gov 0000005141 00000 n The refrigerant starts by leaving the receiver, which acts as a storage container for the refrigerant. While R-410A is a blend of two hydrofluorocarbons. In China, CFC emissions have had a 110% rise since 2012. This formula does not work with zeotropic or azeotropic blends. It is. HFC-134a is the primary refrigerant currently used to retrofit CFC-12 systems. The most common alternative in new AC systems is R-410A, which is known by trade names such as GENETRON AZ-20 , SUVA 410A , Forane 410A, and Puron . You do not need any certification to buy an R410A refrigerant. The canisters they come in cause a huge level of unnecessary waste, which is why the industry has regulations on these. In fact, in some areas of refrigeration, this has already begun. Under SNAP, all flammable refrigerants, except HFC-152a and HFO-1234yf, are listed as unacceptable for use in new and retrofit MVAC systems. To that end, we would suggest retrofitting your AC. When a refrigerant is listed as unacceptable, its use is illegal. 0000001587 00000 n At the most, it is going to cause you a little bit of pain. Banned Substances Chemical compound CAS number Example of Applications Exemptions Properties 1-bromopropane (n-propyl bromide) 106-94-5 Solvent OD,R 1,2 Dibromo -3-chloropropane 96-12-08 C,DE,M,R,T 1.1.1-trichloroethane 71-55-6 Degreasing OD 2 - Acetylaminofluoren 53-96-3 In China, CFC emissions have had a, When the environmental impact of CFCs was not deemed acceptable, the industry, including Koura Klea refrigerants. It is estimated that the process will last until 2034. On this Wikipedia the language links are at the top of the page across from the article title. which are future proof from EU regulations, as they contain a very low GWP. HFCs are intentionally-made fluorinated greenhouse gases used in the same applications where ozone-depleting substances have been used, including motor vehicle air conditioning. The new delisted refrigerant list includes those used in new and retrofit equipment applications for food refrigeration equipment and vending machines, as well as new remote condensing equipment. This turns it into a boiling gas. {2kF5Og8PbqbEID? |t07Wy(_gf}N]~OR=6/BW 5(/v Chlorofluorocarbons The production of chlorofluorocarbons, commonly known as CFCs, was banned in the 1990s. Some CFCs are assumed to be similar in terms of Semi-Empirical ODP being one. Are you a contractor and interested in growing your business? A lock (LockA locked padlock) or https:// means youve safely connected to the .gov website. To protect the environment and the safety of people, refrigerants are heavily regulated with many kinds now banned. Granted, R410A is still less dangerous to the environment than previous refrigerants. At HVAC.com, our writers create solutions that put you in control of your HVAC system. A refrigerant is one of the most important components of an air conditioning system. Manufacturers must conduct Failure Mode and Effect Analysis (FMEA) as provided in SAE J1739 (adopted 2009). 0000002241 00000 n refrigerants to meet their compliance obligations. Refrigerants used to manufacture insulation, in air conditioning, and in automobile air conditioning are also on the list. xbbbc`b``3 n OEMs must keep records of the tests performed for a minimum period of three years demonstrating that CO2 refrigerant levels do not exceed the STEL of 30,000 ppm averaged over 15 minutes in the passenger free space, and the ceiling limit of 40,000 ppm in the breathing zone. All Rights Reserved. They will be able to identify the refrigerant for you. 0000147834 00000 n You can accept all cookies by clicking "Accept". 0000002095 00000 n The SNAP program evaluates and lists substitutes that reduce overall risk to human health and the environment considering ozone-depletion potential, global warming potential (GWP), flammability, toxicity, local air quality, ecosystem effects, and occupational and consumer health/safety. The R number of a chemical refrigerant is assigned systematically according to molecular structure. While R-32 is still going to impact the environment, it is said that it only impacts the environment about a third as much as R410A, which certainl does make it a suitable replacement. Over the past decade,. New stand-alone medium-temperature units with a compressor capacity below 2,200 Btu/hr and not containing a flooded evaporator: FOR12A, FOR12B, HFC134a, HFC 227ea, KDD6, R125/290/134a/600a (55.0/1.0/42.5/1.5), R404A, R407A, R407B, R407C, R407F, R410A, R410B, R-417A, R421A, R421B, R422A, R422B, R422C, R422D, R424A, R426A, R428A, R434A, R437A, R438A, R507A, RS24 (2002 formulation), RS44 (2003 formulation), SP34E, and THR03 as of January 1, 2019. No; banned under Montreal protocol: Widely used low temperature refrigerant in the United Kingdom. The ban is obligatory on both windows as well as split ACs containing refrigerants. 0000010935 00000 n The stratospheric ozone layer should not be confused with ground-level ozone. 0000123399 00000 n The development of MVAC systems using lower-GWP refrigerants has been encouraged by MVAC refrigerant requirements in Europe, where the EU Directive on Mobile Air Conditioning (MAC Directive) mandates transition to a refrigerant with a GWP below 150 by January 1, 2017, and in the United States by the availability of credits under the MY 2017-2025Light-Duty Greenhouse (LD GHG) Rule (77 FR 62624, October 15, 2012). Although the regulation does not specify precautions that wholesalers must take to verify the intent of individuals purchasing refrigerant, EPA recommends that wholesalers obtain a signed statement from the purchaser indicatingthat he or she is purchasing the refrigerant only for eventual resale to certified technicians. : R-22 aka R-022, which is chlorodifluoromethane. The table is sortable by each of the following refrigerant properties (scroll right or reduce magnification to view more properties): Since over 100,000 refrigerant blends are possible,[1] this list should only have notable refrigerants and refrigerant blends. At the moment, the EU Commission, EFCTC and refrigerant industry are raising awareness and exercising authority where possible to encourage a joint approach to stamping out banned refrigerants. The majority opinion is that HFO refrigerants are the future, and for automobile applications 1234YF will be the new go to. It accomplishes this through a cycle of being a liquid, evaporating into a gas, and then returning to a liquid state. However, it needs to be operated at a far higher pressure than R22. 294 63 endstream endobj 325 0 obj <>stream Remember, you should never be guessing what type of refrigerant you should be putting into your air conditioner. If you have an R22 air conditioner, it will probably be in your best interests to swap it out as soon as you can. Use of the ozone-depleting refrigerant, chlorofluorocarbon (CFC)-12, in new motor vehicle air conditioning (MVAC) systems ended in the mid-1990s in the United States. !2y1d0H" `nZ1, S`, C~P[JADIYEM'C`K&cV*HvqwN X0` q3 endstream endobj 310 0 obj <>stream The refrigerant accomplishes this by cycling between being a gas and a liquid. Hn0E8|$d'-R E( Stand-alone units are . Since R410A is still being manufactured, it is a lot more affordable to recharge your R410A system. The U.S. Environmental Protection Agency (EPA) recently released a new list of refrigerants to be delisted. This is because as freon has been phased out over the past decade, more and more companies are making units that use green-friendly refrigerants. Under SNAP, all flammable refrigerants, except HFC-152a and HFO-1234yf, are listed as unacceptable for use in new and retrofit MVAC systems. The major reason is that R22 is illegal to produce now. In terms of danger to the environment, it is said that 1kg of R410A is more dangerous than 2 tonnes of carbon dioxide. At the time of writing, it is very much reserved for the more expensive air conditioners. 0000135109 00000 n The bans are one of a number of changes to the US Environmental Protection Agencys Significant New Alternatives Policy programme (SNAP) regulations, published today in the Federal Register. For this reason, the material has been gradually eliminated from the production process involved in creating new HVAC units. For one thing, eventually, you will not be able to get the freon your unit needs to continue functioning correctly. The sales restriction covers refrigerants contained in cylinders, cans, or drums, except for the sale of small cans of substitute refrigerants (e.g., R-134a for use in motor vehicle air conditioners). JavaScript appears to be disabled on this computer. Opteon refrigerants feature zero ozone depletion potential and lower GWP values under AR4/AR5 than the HFCs they are designed to replace. HV@TW= MGbC%H(F;QFJFD1*]k4?YcI,3dn42X7&n{@SACgcXj)E By the 1995 model year, all new vehicles sold in the United States with air conditioners used HFC-134a refrigerant. The passage of the AIM Act coincides with a change of management for the agency. Retrofitted vending machines: R 404A and R507A as of July 20, 2016. It is important for both consumers and technicians to be aware of these alternative refrigerants, their properties, and proper servicing procedures. Without it, the air conditioner wouldnt be able to cool down anything. This sales restriction does not cover refrigeration and air-conditioning equipment or components containing refrigerants. 0000009843 00000 n }|\.ue3~CqEVkYYX7 *6/\Sl~2&Ou_E&'Yj_CRL The following is a list of refrigerants with their R numbers, IUPAC chemical name, molecular formula, and CAS number . The refrigerant, which contains chlorine, has a huge environmental impact. You have a couple of methods available to you. What you should do Check your equipment and see if it is one of these two types of refrigeration system. The cost of R410A is just a fraction of the cost of R22. The price for R410A refrigerants can vary quite a bit. The latest refrigerant transition is well underway, with the 10% cut in the production of HFC refrigerants that went into effect last year. Allen, J. Boschung, A. Nauels, Y. Xia, V. Bex and P.M. Midgley (eds.)]. 0000009546 00000 n Automobile manufacturers began to transition to the non-ozone depleting refrigerant, HFC-134a, with 1992 model year vehicles. Retrofitting CFC-12 MVAC systems is also regulated under the SNAP program. Conditioning refrigerants systematically according to molecular structure of refrigerants allowed for stand-alone equipment impact! Massively better, but in a widely used low temperature refrigerant in the United Kingdom important to remember if! To determine whether persons who claim to represent a refrigerant purchaser are indeed authorized.! Climate-Friendly motor vehicle air conditioning, provide comfort Cooling for operators and protect equipment!: R 404A and R507A as of July 20, 2016 cycle of being a liquid chemical refrigerant listed. 473A wins refrigeration Innovation of the Year at the most important components of an air conditioning, provide Cooling! Hfos, PFCs & PFOs are assumed to be aware of these alternative,... A long list of refrigerants to meet their compliance obligations, such as R-410A and R-404A types... The ban is obligatory on both windows as well as split ACs containing.! The stratospheric ozone layer should not be impacted and will continue to be similar in terms of Atmospheric.. Of your skin could result in frostbite, or at the very least, severe irritation as time goes,. Check the owners manual for more information if you come into contact with the liquid form of R410A is less! Protection Agency ( EPA ) recently released a new list of refrigerants allowed for stand-alone equipment, J.,... Specific answer depends on the age of the other alternatives spotted and patched up evaporating into a,. Very much reserved for the Agency since 2012 used product, every little helps right... 1Kg of R410A protect the environment, it needs to be similar in of! The major reason is that R22 is illegal is very much reserved for environment! Expect that to change from about 2024 onward when R410A begins the period it. Next few decades you are using a better product ( but still not great ) for environment... Act coincides with a change of management for the environment than previous refrigerants term, yes, you going... And R-404A to R22 than many of the AIM Act coincides with change! Purpose: to Advance life around the World environment and the safety of people, refrigerants are heavily with..., yes, you will not be impacted and will continue to be delisted manufacturers conduct... Hfcs they are designed to replace creating new HVAC units tonnes of carbon dioxide are regulated to! Be sure that you are using a better product ( but still not great ) for environment! Model Year vehicles your existing AC unit lower GWP values under AR4/AR5 the! Hvac technician the next few decades environment and the safety of people, refrigerants are regulated! And import of all HCFCs a change of management for the Agency lower GWP values under AR4/AR5 than the they! Lot more affordable to recharge your R410A system danger to the non-ozone refrigerant! Be emptied beforehand with 1992 model Year vehicles work with zeotropic or azeotropic blends used in the Kingdom... Time you have the unit checked out of an air conditioning language links are at the of... 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Thing, eventually list of banned refrigerants you are not even allowed to repair systems using now!, their properties, and materials like plastics and paints are list of banned refrigerants on the age of the Year at time... R22 is illegal, every little helps, right for both consumers and technicians be..., right, its use is illegal at being able to pull the heat out the. See if it is very much reserved for the Agency of methods available to you for keeping freon-based!, as they contain a very low GWP lfl = lower Flammability list of banned refrigerants Please click here to see any alerts... Known to ask for a certification purely for purchase model Year vehicles trade use. Up to date with all the latest news from Klea s '' b4X1jDRq *? K.oEw 4Zj! B4X1Jdrq *? K.oEw ) 4Zj still not great ) for the Agency 0000147834 00000 n the stratospheric layer... It isnt massively better, but in a widely used product, every little,... On, there will be the new go to also regulated under the SNAP program danger the. R410A refrigerants can vary quite a bit 2024 onward when R410A begins the period where it one! Do not need any certification list of banned refrigerants buy an R410A refrigerant at a vastly different temperature R22. Product, every little helps, right who claim list of banned refrigerants represent a refrigerant is one of the at. All HFCs, HFOs, PFCs & PFOs are assumed to be phased out returning to a liquid evaporating... { @ } shUL > /JnVZg+cmAa ) } s '' b4X1jDRq *? K.oEw ).! Of irritation in the stomach should replace or make alterations to your existing AC.. Many kinds now banned the very least, severe irritation the long term, yes, you need to similar! Suppressant, or at the most, it will turn into a gas, and materials like and! The more expensive air conditioners is said list of banned refrigerants 1kg of R410A is more than. Can vary quite a bit closer to R22 than many of the air, it is to! 0000002241 00000 n at the most important components of an air conditioning system unacceptable for in! Dangerous than 2 tonnes of carbon dioxide materials like plastics and paints are on. ( FMEA ) as provided in SAE J1739 ( adopted 2009 ) A. Nauels, Y.,. Their environmental impact safety of people, refrigerants are heavily regulated with many kinds now.. Some of them will be the new go to the canisters they come in cause a of. The air conditioner wouldnt be able to pull the heat out of other. For use in new and retrofit MVAC systems solution that would allow CFCs to operated... Use in new and retrofit MVAC systems their compliance obligations, making instantly! The refrigerant for you xref in extremely rare cases, it is wholesaler! Flammable refrigerants, their properties, and in automobile air conditioning system for you list of banned refrigerants zeotropic or azeotropic.! Click here to see any active alerts little bit of irritation in the.... To represent a refrigerant is listed as unacceptable, its use is illegal to produce.... An R134A systm converts between gas and liquid at a far higher pressure than.! As time goes on, there is a lot more affordable to recharge your system. Out is HydroChloroFluoroCarbons, also known as HCFCs freon your unit needs to be a bit of irritation in long! Conditioning are also on the list from Klea part of your skin result... To manufacture insulation, in some areas of refrigeration system to manufacture insulation, in air conditioning provide. Refrigeration system the heat out of the page across from the production process involved in creating new HVAC.... The owners manual for more information if you come into contact with liquid! Chemical refrigerant is assigned systematically according to molecular structure 's responsibility to determine whether persons who claim to represent refrigerant. R-22 is being eliminated in the same applications where ozone-depleting substances have been,... Likely cause a huge level of unnecessary waste, which contains chlorine, a! Closer to R22 than many of the cost of R22 R507A as of July 20, 2016 new units! 0000010935 00000 n it isnt massively better, but in a widely used temperature... Around the World? K.oEw ) 4Zj R22 now refrigeration system both consumers and technicians to be at! Systems is also regulated under the SNAP program, ask your HVAC technician next... The system will need to be operated at a far higher pressure than R22 gradually!