#,Fact,Value,Unit,Geography,Data period,Source,Publisher,URL (opened),Accessed date,Tier,Methodology notes,Limitations,Suggested citation
1,HFC production baseline,"382,535,439",MTEVe,United States,baseline as revised 2023,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,40 CFR 84.7(b)(1),"Exchange-value tonnes, all listed HFCs","Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
2,2024-2028 cap as percent of baseline,60,percent,United States,2024-2028,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,40 CFR 84.7(a) table,Same percent for production and consumption,"Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
3,Consumption cap 2022-2023,"273,498,315",MTEVe,United States,2022-2023,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,40 CFR 84.7(b)(3) table 2,Reflects baseline in force in 2021,"Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
4,Consumption cap 2024-2028,"181,522,990",MTEVe,United States,2024-2028,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,40 CFR 84.7(b)(3) table 2,All HFCs,"Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
5,Consumption cap 2029-2033,"90,761,495",MTEVe,United States,2029-2033,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,40 CFR 84.7(b)(3) table 2,Scheduled,"Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
6,Sale and distribution of products restricted in 84.54(a) begins three years after each manufacture date (self-contained residential AC: 2028-01-01),2028-01-01,date,United States,2028,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,40 CFR 84.54(b) applied to (a)(1),"Applies to products, not service parts","Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
7,Interim final rule let pre-2025 split components be installed until,2026-01-01,date,United States,2023-12-26 rule,"Technology Transitions interim final rule, 88 FR 88825",Federal Register (EPA),https://www.federalregister.gov/d/2023-28500,2026-11-02,1,Rule text and eCFR versions 2024-01-01 to 2026-06-01,Superseded,"Federal Register (EPA), Technology Transitions interim final rule, 88 FR 88825, accessed 2026-11-02"
8,Technology Transitions reconsideration final rule effective date,2026-07-27,date,United States,2026,"Technology Transitions reconsideration final rule, 91 FR 31284",Federal Register (EPA),https://www.federalregister.gov/d/2026-10387,2026-11-02,1,DATES section,,"Federal Register (EPA), Technology Transitions reconsideration final rule, 91 FR 31284, accessed 2026-11-02"
9,Final rule removes the install deadline for split-system components made or imported before 2025-01-01,removed,text,United States,from 2026-07-27,"Technology Transitions reconsideration final rule, 91 FR 31284",Federal Register (EPA),https://www.federalregister.gov/d/2026-10387,2026-11-02,1,Section III.H and amended 84.54(c)(1),Components made in Canada or Mexico count only if imported into the U.S. before 2025,"Federal Register (EPA), Technology Transitions reconsideration final rule, 91 FR 31284, accessed 2026-11-02"
10,Exchange value of HFC-32,675,exchange value,United States,current,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,Appendix A to Part 84,,"Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
11,Exchange value of HFC-125,"3,500",exchange value,United States,current,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,Appendix A to Part 84,,"Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
12,"R-454B nominal composition, HFC-32 share",68.9,percent by mass,United States,2025,"SNAP proposed rule, 90 FR 50766",Federal Register (EPA),https://www.federalregister.gov/d/2025-19812,2026-11-02,1,Composition stated in SNAP listing text,Balance is HFO-1234yf (31.1%),"Federal Register (EPA), SNAP proposed rule, 90 FR 50766, accessed 2026-11-02"
13,GWP of HFO-1234yf used for blends,1,GWP,United States,current,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,40 CFR 84.64(b) table 1,"Not a regulated substance, draws no allowances","Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
14,HFC consumption baseline,"302,538,316",MTEVe,United States,baseline,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,40 CFR 84.7(b)(2),,"Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
15,Consumption cap 2034-2035,"60,507,663",MTEVe,United States,2034-2035,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,40 CFR 84.7(b)(3),Scheduled,"Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
16,Consumption cap 2036 and after,"45,380,747",MTEVe,United States,2036+,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,40 CFR 84.7(b)(3),Scheduled; 15 percent of baseline,"Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
17,GWP of R-410A as stated by EPA,"2,088",GWP,United States,2023,"Technology Transitions final rule, 88 FR 73098",Federal Register (EPA),https://www.federalregister.gov/d/2023-22529,2026-11-02,1,Preamble,,"Federal Register (EPA), Technology Transitions final rule, 88 FR 73098, accessed 2026-11-02"
18,GWP of R-454B as stated by EPA,465,GWP,United States,2023,"Technology Transitions final rule, 88 FR 73098",Federal Register (EPA),https://www.federalregister.gov/d/2023-22529,2026-11-02,1,Preamble,Some trade sources state 466,"Federal Register (EPA), Technology Transitions final rule, 88 FR 73098, accessed 2026-11-02"
19,Consumption allowance pool for 2027,"181,522,990",MTEVe,United States,2027,"Notice of 2027 allowance allocations, 91 FR 63548",Federal Register (EPA),https://www.federalregister.gov/d/2026-20389,2026-11-02,1,Notice footnote 9,Before administrative consequences,"Federal Register (EPA), Notice of 2027 allowance allocations, 91 FR 63548, accessed 2026-11-02"
20,"PPI other industrial gases incl. fluorocarbons, 2021 annual average",217.578,index Jun 2009=100,United States,2021,BLS PPI WPU06790312 flat file wp.data.7.Chemicals,U.S. Bureau of Labor Statistics,https://download.bls.gov/pub/time.series/wp/wp.data.7.Chemicals,2026-11-02,1,"Series WPU06790312, period M13",Mixed basket incl. acetylene; not R-410A only,"U.S. Bureau of Labor Statistics, BLS PPI WPU06790312 flat file wp.data.7.Chemicals, accessed 2026-11-02"
21,"PPI other industrial gases incl. fluorocarbons, 2025 annual average",318.764,index Jun 2009=100,United States,2025,BLS PPI WPU06790312 flat file wp.data.7.Chemicals,U.S. Bureau of Labor Statistics,https://download.bls.gov/pub/time.series/wp/wp.data.7.Chemicals,2026-11-02,1,"Series WPU06790312, period M13",Mixed basket,"U.S. Bureau of Labor Statistics, BLS PPI WPU06790312 flat file wp.data.7.Chemicals, accessed 2026-11-02"
22,"PPI final demand, 2021 annual average",126.710,index Nov 2009=100,United States,2021,BLS PPI WPUFD4 flat file wp.data.22.FD-ID,U.S. Bureau of Labor Statistics,https://download.bls.gov/pub/time.series/wp/wp.data.22.FD-ID,2026-11-02,1,"Series WPUFD4, M13",,"U.S. Bureau of Labor Statistics, BLS PPI WPUFD4 flat file wp.data.22.FD-ID, accessed 2026-11-02"
23,"PPI final demand, 2025 annual average",149.219,index Nov 2009=100,United States,2025,BLS PPI WPUFD4 flat file wp.data.22.FD-ID,U.S. Bureau of Labor Statistics,https://download.bls.gov/pub/time.series/wp/wp.data.22.FD-ID,2026-11-02,1,"Series WPUFD4, M13",,"U.S. Bureau of Labor Statistics, BLS PPI WPUFD4 flat file wp.data.22.FD-ID, accessed 2026-11-02"
24,"PPI other industrial gases incl. fluorocarbons, Oct 2021",213.837,index,United States,2021-10,BLS PPI WPU06790312 flat file wp.data.7.Chemicals,U.S. Bureau of Labor Statistics,https://download.bls.gov/pub/time.series/wp/wp.data.7.Chemicals,2026-11-02,1,WPU06790312 M10,,"U.S. Bureau of Labor Statistics, BLS PPI WPU06790312 flat file wp.data.7.Chemicals, accessed 2026-11-02"
25,"PPI other industrial gases incl. fluorocarbons, Dec 2021",264.554,index,United States,2021-12,BLS PPI WPU06790312 flat file wp.data.7.Chemicals,U.S. Bureau of Labor Statistics,https://download.bls.gov/pub/time.series/wp/wp.data.7.Chemicals,2026-11-02,1,WPU06790312 M12,,"U.S. Bureau of Labor Statistics, BLS PPI WPU06790312 flat file wp.data.7.Chemicals, accessed 2026-11-02"
26,"PPI other industrial gases incl. fluorocarbons, Sep 2026",342.098,index,United States,2026-09,BLS PPI WPU06790312 flat file wp.data.7.Chemicals,U.S. Bureau of Labor Statistics,https://download.bls.gov/pub/time.series/wp/wp.data.7.Chemicals,2026-11-02,1,"WPU06790312 M09, preliminary",Revisable for four months,"U.S. Bureau of Labor Statistics, BLS PPI WPU06790312 flat file wp.data.7.Chemicals, accessed 2026-11-02"
27,"PPI other industrial gases incl. fluorocarbons, 2023 annual average",270.351,index,United States,2023,BLS PPI WPU06790312 flat file wp.data.7.Chemicals,U.S. Bureau of Labor Statistics,https://download.bls.gov/pub/time.series/wp/wp.data.7.Chemicals,2026-11-02,1,WPU06790312 M13,,"U.S. Bureau of Labor Statistics, BLS PPI WPU06790312 flat file wp.data.7.Chemicals, accessed 2026-11-02"
28,"PPI unitary air conditioners (excl. heat pumps), Dec 2024",272.438,index Jun 1982=100,United States,2024-12,BLS PPI flat file wp.data.12b.Machinery114-116,U.S. Bureau of Labor Statistics,https://download.bls.gov/pub/time.series/wp/wp.data.12b.Machinery114-116,2026-11-02,1,WPU114802 M12,,"U.S. Bureau of Labor Statistics, BLS PPI flat file wp.data.12b.Machinery114-116, accessed 2026-11-02"
29,"PPI unitary air conditioners (excl. heat pumps), Sep 2026",303.868,index,United States,2026-09,BLS PPI flat file wp.data.12b.Machinery114-116,U.S. Bureau of Labor Statistics,https://download.bls.gov/pub/time.series/wp/wp.data.12b.Machinery114-116,2026-11-02,1,"WPU114802 M09, preliminary",Revisable,"U.S. Bureau of Labor Statistics, BLS PPI flat file wp.data.12b.Machinery114-116, accessed 2026-11-02"
30,"PPI heat pumps, Dec 2024",144.713,index Dec 2009=100,United States,2024-12,BLS PPI flat file wp.data.12b.Machinery114-116,U.S. Bureau of Labor Statistics,https://download.bls.gov/pub/time.series/wp/wp.data.12b.Machinery114-116,2026-11-02,1,WPU11480734 M12,,"U.S. Bureau of Labor Statistics, BLS PPI flat file wp.data.12b.Machinery114-116, accessed 2026-11-02"
31,"PPI heat pumps, Sep 2026",141.932,index,United States,2026-09,BLS PPI flat file wp.data.12b.Machinery114-116,U.S. Bureau of Labor Statistics,https://download.bls.gov/pub/time.series/wp/wp.data.12b.Machinery114-116,2026-11-02,1,"WPU11480734 M09, preliminary",Revisable,"U.S. Bureau of Labor Statistics, BLS PPI flat file wp.data.12b.Machinery114-116, accessed 2026-11-02"
32,"PPI industry cross-check (PCU325120325120T), 2021 annual average",219.293,index Jun 2009=100,United States,2021,BLS PPI PCU325120325120T flat file pc.data.14.Chemicals,U.S. Bureau of Labor Statistics,https://download.bls.gov/pub/time.series/pc/pc.data.14.Chemicals,2026-11-02,1,M13,Industry-based twin of the commodity series,"U.S. Bureau of Labor Statistics, BLS PPI PCU325120325120T flat file pc.data.14.Chemicals, accessed 2026-11-02"
33,"PPI industry cross-check (PCU325120325120T), 2025 annual average",321.278,index,United States,2025,BLS PPI PCU325120325120T flat file pc.data.14.Chemicals,U.S. Bureau of Labor Statistics,https://download.bls.gov/pub/time.series/pc/pc.data.14.Chemicals,2026-11-02,1,M13,,"U.S. Bureau of Labor Statistics, BLS PPI PCU325120325120T flat file pc.data.14.Chemicals, accessed 2026-11-02"
34,"A2L equipment share of central ducted sales, April 2025",51,percent,United States,2025-04,"HARDI press release, June 11, 2025",HARDI,https://hardinet.org/posts/press-release/a2l-equipment-surpasses-50-of-market-share-as-hfc-transition-accelerates,2026-11-02,2,HARDI Unitary Market Intelligence Report (distributor sales data),"Trade association panel, not audited; member distributors only","HARDI, HARDI press release, June 11, 2025, accessed 2026-11-02"
35,"A2L equipment share, preliminary May 2025",60,percent,United States,2025-05,"HARDI press release, June 11, 2025",HARDI,https://hardinet.org/posts/press-release/a2l-equipment-surpasses-50-of-market-share-as-hfc-transition-accelerates,2026-11-02,2,Preliminary,Preliminary panel data,"HARDI, HARDI press release, June 11, 2025, accessed 2026-11-02"
36,"A2L equipment share, November 2024",less than 5,percent,United States,2024-11,"HARDI press release, June 11, 2025",HARDI,https://hardinet.org/posts/press-release/a2l-equipment-surpasses-50-of-market-share-as-hfc-transition-accelerates,2026-11-02,2,As stated,Upper bound only,"HARDI, HARDI press release, June 11, 2025, accessed 2026-11-02"
37,"A2L equipment share of distributor sales, September 2025",91,percent,United States,2025-09,"HARDI press release, November 19, 2025",HARDI,https://hardinet.org/posts/press-release/a2l-equipment-reaches-90-of-market-share-as-cooling-season-ends,2026-11-02,2,HARDI Unitary Market Intelligence Report,"Headline says 90%, body says 91%; also cited by EPA in 91 FR 31284","HARDI, HARDI press release, November 19, 2025, accessed 2026-11-02"
38,A shortage of 20-lb cylinders rated for A2L refrigerants limited R-454B for contractors through spring and most of summer 2025,qualitative,text,United States,2025,"Technology Transitions reconsideration proposal, 90 FR 47999",Federal Register (EPA),https://www.federalregister.gov/d/2025-19438,2026-11-02,1,Section IV.G,No volume figure given,"Federal Register (EPA), Technology Transitions reconsideration proposal, 90 FR 47999, accessed 2026-11-02"
39,EPA considered extending the install deadline to 2027-01-01 instead of removing it,2027-01-01,date,United States,2025,"Technology Transitions reconsideration proposal, 90 FR 47999",Federal Register (EPA),https://www.federalregister.gov/d/2025-19438,2026-11-02,1,Section IV.G.3,,"Federal Register (EPA), Technology Transitions reconsideration proposal, 90 FR 47999, accessed 2026-11-02"
40,Leak repair duty applies to appliances with a full charge of 15 lb or more from 2026-01-01; residential and light commercial AC and heat pumps excluded,15,pounds,United States,from 2026,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,40 CFR 84.106(a),,"Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
41,"Reclaimed refrigerant may contain no more than this share of virgin HFC, from 2026-01-01",15,percent by weight,United States,from 2026,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,40 CFR 84.112(a),,"Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
42,"Servicing supermarkets, refrigerated transport and ice makers must use reclaimed refrigerant from",2029-01-01,date,United States,2029,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,40 CFR 84.112(e),Does not cover residential AC,"Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
43,Used disposable cylinders must be sent for heel removal from,2028-01-01,date,United States,2028,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,40 CFR 84.116(a),Technician evacuation to 15 in-Hg is an alternative,"Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
44,"Pre-2026 VRF components may be installed until 2027-01-01; with a permit issued before 2023-10-05, until 2028-01-01",2027-01-01,date,United States,2027,"VRF final rule, 89 FR 100381",Federal Register (EPA),https://www.federalregister.gov/d/2024-29243,2026-11-02,1,Also in 40 CFR 84.54(c)(2),,"Federal Register (EPA), VRF final rule, 89 FR 100381, accessed 2026-11-02"
45,AIM Act enactment date,2020-12-27,date,United States,2020,EPA HFC Allowances page,U.S. EPA,https://www.epa.gov/hfcs/hfc-allowances,2026-11-02,1,Background section,,"U.S. EPA, EPA HFC Allowances page, accessed 2026-11-02"
46,Phasedown end point as percent of baseline,15,percent,United States,2036+,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,40 CFR 84.7(a),,"Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
47,Notice of 2026 allowances published,2025-11-20,date,United States,2026,"Notice of 2026 allowance allocations, 90 FR 52391",Federal Register (EPA),https://www.federalregister.gov/d/2025-20439,2026-11-02,1,,,"Federal Register (EPA), Notice of 2026 allowance allocations, 90 FR 52391, accessed 2026-11-02"
48,Notice of 2027 allowances signed 2026-10-01 and published,2026-10-06,date,United States,2027,EPA HFC Allowances page,U.S. EPA,https://www.epa.gov/hfcs/hfc-allowances,2026-11-02,1,,,"U.S. EPA, EPA HFC Allowances page, accessed 2026-11-02"
49,EPA will propose allowance issuance rules for 2029 onward; NODA comments due,2026-08-27,date,United States,2026,"NODA: Analysis of HFC Allocation Program Data for 2022-2025, 91 FR 47236",Federal Register (EPA),https://www.federalregister.gov/d/2026-15219,2026-11-02,1,,,"Federal Register (EPA), NODA: Analysis of HFC Allocation Program Data for 2022-2025, 91 FR 47236, accessed 2026-11-02"
50,2023 Technology Transitions rule covered this many subsectors,over 40,count,United States,2023,"Technology Transitions reconsideration final rule, 91 FR 31284",Federal Register (EPA),https://www.federalregister.gov/d/2026-10387,2026-11-02,1,Background,,"Federal Register (EPA), Technology Transitions reconsideration final rule, 91 FR 31284, accessed 2026-11-02"
51,Latest BLS PPI data month and release,"September 2026, released 2026-10-15",text,United States,2026,BLS PPI release schedule,U.S. Bureau of Labor Statistics,https://www.bls.gov/schedule/news_release/ppi.htm,2026-11-02,1,File last-modified header 2026-10-15,,"U.S. Bureau of Labor Statistics, BLS PPI release schedule, accessed 2026-11-02"
52,Next BLS PPI release (October 2026 data),2026-11-13,date,United States,2026,BLS PPI release schedule,U.S. Bureau of Labor Statistics,https://www.bls.gov/schedule/news_release/ppi.htm,2026-11-02,1,,,"U.S. Bureau of Labor Statistics, BLS PPI release schedule, accessed 2026-11-02"
53,eCFR Title 40 up to date as of,2026-10-29,date,United States,2026,eCFR 40 CFR Part 84,Office of the Federal Register / GPO,https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84,2026-11-02,1,eCFR titles API,,"Office of the Federal Register / GPO, eCFR 40 CFR Part 84, accessed 2026-11-02"
54,Comment period on the reconsideration proposal extended to,2025-11-21,date,United States,2025,"Comment period extension, 90 FR 51042",Federal Register (EPA),https://www.federalregister.gov/d/2025-19895,2026-11-02,1,,,"Federal Register (EPA), Comment period extension, 90 FR 51042, accessed 2026-11-02"
55,2025 rule on application-specific allowances amended 84.54 only to exclude defense sprays,qualitative,text,United States,2025,"Application-specific allowances rule, 90 FR 41676",Federal Register (EPA),https://www.federalregister.gov/d/2025-16357,2026-11-02,1,Amendatory instruction 12,,"Federal Register (EPA), Application-specific allowances rule, 90 FR 41676, accessed 2026-11-02"
56,Proposal to exempt road and intermodal TRUs from leak repair; comments due,2026-07-10,date,United States,2026,"TRU leak repair proposal, 91 FR 30532",Federal Register (EPA),https://www.federalregister.gov/d/2026-10388,2026-11-02,1,,,"Federal Register (EPA), TRU leak repair proposal, 91 FR 30532, accessed 2026-11-02"
57,Emissions reduction and reclamation rule effective,2024-12-10,date,United States,2024,"Management of HFCs final rule, 89 FR 82682",Federal Register (EPA),https://www.federalregister.gov/d/2024-21967,2026-11-02,1,,,"Federal Register (EPA), Management of HFCs final rule, 89 FR 82682, accessed 2026-11-02"
58,Production baseline adjustment rule published,2023-07-12,date,United States,2023,"Production baseline adjustment, 88 FR 44220",Federal Register (EPA),https://www.federalregister.gov/d/2023-14189,2026-11-02,1,,,"Federal Register (EPA), Production baseline adjustment, 88 FR 44220, accessed 2026-11-02"
59,"Framework rule published 2021-10-05, effective",2021-11-04,date,United States,2021,"Allowance allocation framework rule, 86 FR 55116",Federal Register (EPA),https://www.federalregister.gov/d/2021-21030,2026-11-02,1,,,"Federal Register (EPA), Allowance allocation framework rule, 86 FR 55116, accessed 2026-11-02"
60,First (2022) consumption allowance pool,"273,498,315",MTEVe,United States,2022,"Notice of 2022 allowance allocations, 86 FR 55841",Federal Register (EPA),https://www.federalregister.gov/d/2021-21951,2026-11-02,1,,,"Federal Register (EPA), Notice of 2022 allowance allocations, 86 FR 55841, accessed 2026-11-02"
61,2023 consumption allowance pool,"273,498,315",MTEVe,United States,2023,"Notice of 2023 allowance allocations, 87 FR 61314",Federal Register (EPA),https://www.federalregister.gov/d/2022-22059,2026-11-02,1,,,"Federal Register (EPA), Notice of 2023 allowance allocations, 87 FR 61314, accessed 2026-11-02"
62,2024 consumption allowance pool,"181,522,990",MTEVe,United States,2024,"Notice of 2024 allowance allocations, 88 FR 72060",Federal Register (EPA),https://www.federalregister.gov/d/2023-22163,2026-11-02,1,,,"Federal Register (EPA), Notice of 2024 allowance allocations, 88 FR 72060, accessed 2026-11-02"
63,2025 consumption allowance pool,"181,522,990",MTEVe,United States,2025,"Notice of 2025 allowance allocations, 89 FR 84583",Federal Register (EPA),https://www.federalregister.gov/d/2024-24444,2026-11-02,1,,,"Federal Register (EPA), Notice of 2025 allowance allocations, 89 FR 84583, accessed 2026-11-02"
64,Technology Transitions regulatory actions list (last update reflects May 2026 final rule),qualitative,text,United States,2026,EPA Regulatory Actions for Technology Transitions,U.S. EPA,https://www.epa.gov/hfcs/regulatory-actions-technology-transitions,2026-11-02,1,,,"U.S. EPA, EPA Regulatory Actions for Technology Transitions, accessed 2026-11-02"
65,Page-to-beat claim: EPA reconsideration 'still underway' and R-454B GWP 466,qualitative,text,United States,2026,The Complete 2026 Guide to the R-410A Phase-Out for HVAC Contractors,Applause,https://www.applausehq.com/blog/guide-r-410a-phase-out-hvac,2026-11-02,3,Saved copy in raw/pages_to_beat,Stale after 2026-05-26; vendor content,"Applause, The Complete 2026 Guide to the R-410A Phase-Out for HVAC Contractors, accessed 2026-11-02"
66,Page-to-beat claim: SNAP made R-410A unacceptable for new equipment in 2025,qualitative,text,United States,2026-03-28,R-410A Price Trends and Phase-Down Costs in 2026,HVAC PRO Sales,https://hvacprosales.com/blog/r-410a-price-trends-and-phase-down-costs-in-2026/,2026-11-02,3,Saved copy,Attributes the limit to SNAP; the binding limit is 40 CFR 84.54,"HVAC PRO Sales, R-410A Price Trends and Phase-Down Costs in 2026, accessed 2026-11-02"
67,"PPI other industrial gases incl. fluorocarbons, 2022 annual average",273.185,index,United States,2022,BLS PPI WPU06790312 flat file wp.data.7.Chemicals,U.S. Bureau of Labor Statistics,https://download.bls.gov/pub/time.series/wp/wp.data.7.Chemicals,2026-11-02,1,WPU06790312 M13,,"U.S. Bureau of Labor Statistics, BLS PPI WPU06790312 flat file wp.data.7.Chemicals, accessed 2026-11-02"
68,Final rule keeps a market for replacement condensing units and other specified components so owners can maintain existing systems that use legacy HFCs,qualitative,text,United States,2026,"Technology Transitions reconsideration final rule, 91 FR 31284",Federal Register (EPA),https://www.federalregister.gov/d/2026-10387,2026-11-02,1,Section III.F,Installing them as a new system after the deadline stays prohibited,"Federal Register (EPA), Technology Transitions reconsideration final rule, 91 FR 31284, accessed 2026-11-02"
69,Most U.S. OEMs chose R-454B for compliant residential AC; OEMs buy in isotanks and were less exposed to cylinder shortages,qualitative,text,United States,2025,"Technology Transitions reconsideration proposal, 90 FR 47999",Federal Register (EPA),https://www.federalregister.gov/d/2025-19438,2026-11-02,1,Section VII,,"Federal Register (EPA), Technology Transitions reconsideration proposal, 90 FR 47999, accessed 2026-11-02"
70,"PPI air conditioning and refrigeration equipment (WPU1148), Sep 2026",327.702,index,United States,2026-09,BLS PPI flat file wp.data.12b.Machinery114-116,U.S. Bureau of Labor Statistics,https://download.bls.gov/pub/time.series/wp/wp.data.12b.Machinery114-116,2026-11-02,1,Preliminary,,"U.S. Bureau of Labor Statistics, BLS PPI flat file wp.data.12b.Machinery114-116, accessed 2026-11-02"