id,name,formula,input_rows,result,unit,limitations
d1,Change since January 2020: Unitary air conditioners,(PCU333415333415E Sep 2026 / PCU333415333415E Jan 2020 - 1) x 100,"fact rows 1, 2, 3, 4, 5, 6, 7",57.6,percent,Not seasonally adjusted; latest months preliminary
d2,Change since January 2020: Heat pumps,(PCU333415333415H Sep 2026 / PCU333415333415H Jan 2020 - 1) x 100,"fact rows 8, 9, 10, 11, 12, 13, 14",20.8,percent,Not seasonally adjusted; latest months preliminary
d3,Change since January 2020: Warm-air furnaces,(PCU333415333415C Sep 2026 / PCU333415333415C Jan 2020 - 1) x 100,"fact rows 15, 16, 17, 18, 19, 20, 21",57.6,percent,Not seasonally adjusted; latest months preliminary
d4,Change since January 2020: NAICS 333415 industry (all HVAC and refrigeration equipment),(PCU333415333415 Sep 2026 / PCU333415333415 Jan 2020 - 1) x 100,"fact rows 22, 23, 24, 25, 26, 27, 28",60.4,percent,Not seasonally adjusted; latest months preliminary
d5,Change since January 2020: Furnaces and heaters incl. parts (commodity),(WPU106201 Sep 2026 / WPU106201 Jan 2020 - 1) x 100,"fact rows 36, 37, 38, 39, 40, 41, 42",52.6,percent,Not seasonally adjusted; latest months preliminary
d6,Change since January 2020: CPI-U all items (consumer inflation),(CUUR0000SA0 Sep 2026 / CUUR0000SA0 Jan 2020 - 1) x 100,"fact rows 71, 72, 73, 74, 75, 76, 77",30.6,percent,Not seasonally adjusted; latest months preliminary
d7,"Change since January 2020: Average hourly earnings, plumbing and HVAC contractors",(CEU2023822003 Aug 2026 / CEU2023822003 Jan 2020 - 1) x 100,"fact rows 78, 79, 80, 81, 82, 83",37.4,percent,Not seasonally adjusted; latest months preliminary
d8,"Change since January 2020: PPI plumbing and HVAC contractors, nonresidential work",(PCU23822X23822X Sep 2026 / PCU23822X23822X Jan 2020 - 1) x 100,"fact rows 57, 58, 59, 60, 61, 62, 63",34.9,percent,Not seasonally adjusted; latest months preliminary
d9,Change since January 2020: PPI final demand,(WPUFD4 Sep 2026 / WPUFD4 Jan 2020 - 1) x 100,"fact rows 64, 65, 66, 67, 68, 69, 70",34.1,percent,Not seasonally adjusted; latest months preliminary
d10,Change since January 2020: Cold rolled steel sheet and strip,(WPU101707 Sep 2026 / WPU101707 Jan 2020 - 1) x 100,"fact rows 84, 85, 86, 87, 88, 89, 90",125.3,percent,Not seasonally adjusted; latest months preliminary
d11,Change since January 2020: Copper and copper alloy pipe and tube,(WPU10250239 Apr 2026 / WPU10250239 Jan 2020 - 1) x 100,"fact rows 91, 92, 93, 94, 95",111.2,percent,"Not seasonally adjusted; latest months preliminary; series has missing months, last value April 2026"
d12,Change since January 2020: Copper wire and cable,(WPU10260314 Sep 2026 / WPU10260314 Jan 2020 - 1) x 100,"fact rows 96, 97, 98, 99, 100, 101, 102",101.2,percent,Not seasonally adjusted; latest months preliminary
d13,Change since January 2020: Aluminum mill shapes,(WPU102501 Sep 2026 / WPU102501 Jan 2020 - 1) x 100,"fact rows 103, 104, 105, 106, 107, 108, 109",92.7,percent,Not seasonally adjusted; latest months preliminary
d14,Change since January 2020: Unitary air conditioners (commodity code),(WPU114802 Sep 2026 / WPU114802 Jan 2020 - 1) x 100,"fact rows 43, 44, 45, 46, 47, 48, 49",57.6,percent,Not seasonally adjusted; latest months preliminary
d15,Change since January 2020: Heat pumps (commodity code),(WPU11480734 Sep 2026 / WPU11480734 Jan 2020 - 1) x 100,"fact rows 50, 51, 52, 53, 54, 55, 56",21.0,percent,Not seasonally adjusted; latest months preliminary
d16,Change since January 2020: Parts and accessories for AC and heat transfer equipment,(PCU333415333415D Sep 2026 / PCU333415333415D Jan 2020 - 1) x 100,"fact rows 29, 30, 31, 32, 33, 34, 35",57.0,percent,Not seasonally adjusted; latest months preliminary
d17,Gap vs CPI-U: Unitary air conditioners,"change(PCU333415333415E) - change(CPI-U), Jan 2020 to Sep 2026","fact rows 1, 2, 3, 4, 5, 6, 7, 71, 72, 73, 74, 75, 76, 77",27.0,percentage points,Producer vs consumer index; different baskets
d18,Inflation-adjusted change: Unitary air conditioners,((1 + change PCU333415333415E) / (1 + change CPI-U) - 1) x 100,"fact rows 1, 2, 3, 4, 5, 6, 7, 71, 72, 73, 74, 75, 76, 77",20.7,percent,Deflating a producer index by a consumer index is an approximation
d19,Gap vs CPI-U: Heat pumps,"change(PCU333415333415H) - change(CPI-U), Jan 2020 to Sep 2026","fact rows 8, 9, 10, 11, 12, 13, 14, 71, 72, 73, 74, 75, 76, 77",-9.8,percentage points,Producer vs consumer index; different baskets
d20,Inflation-adjusted change: Heat pumps,((1 + change PCU333415333415H) / (1 + change CPI-U) - 1) x 100,"fact rows 8, 9, 10, 11, 12, 13, 14, 71, 72, 73, 74, 75, 76, 77",-7.5,percent,Deflating a producer index by a consumer index is an approximation
d21,Gap vs CPI-U: Warm-air furnaces,"change(PCU333415333415C) - change(CPI-U), Jan 2020 to Sep 2026","fact rows 15, 16, 17, 18, 19, 20, 21, 71, 72, 73, 74, 75, 76, 77",27.0,percentage points,Producer vs consumer index; different baskets
d22,Inflation-adjusted change: Warm-air furnaces,((1 + change PCU333415333415C) / (1 + change CPI-U) - 1) x 100,"fact rows 15, 16, 17, 18, 19, 20, 21, 71, 72, 73, 74, 75, 76, 77",20.7,percent,Deflating a producer index by a consumer index is an approximation
d23,Gap vs CPI-U: NAICS 333415 industry (all HVAC and refrigeration equipment),"change(PCU333415333415) - change(CPI-U), Jan 2020 to Sep 2026","fact rows 22, 23, 24, 25, 26, 27, 28, 71, 72, 73, 74, 75, 76, 77",29.8,percentage points,Producer vs consumer index; different baskets
d24,Inflation-adjusted change: NAICS 333415 industry (all HVAC and refrigeration equipment),((1 + change PCU333415333415) / (1 + change CPI-U) - 1) x 100,"fact rows 22, 23, 24, 25, 26, 27, 28, 71, 72, 73, 74, 75, 76, 77",22.8,percent,Deflating a producer index by a consumer index is an approximation
d25,Equipment price relative to contractor hourly pay: Unitary air conditioners,((1 + change PCU333415333415E Jan 2020 to Aug 2026) / (1 + change AHE same months) - 1) x 100,"fact rows 1, 2, 3, 4, 5, 6, 7, 78, 79, 80, 81, 82, 83",14.7,percent,"Producer price, not the distributor or installed price; AHE covers all employees at plumbing and HVAC contractors"
d26,Equipment price relative to contractor hourly pay: Warm-air furnaces,((1 + change PCU333415333415C Jan 2020 to Aug 2026) / (1 + change AHE same months) - 1) x 100,"fact rows 15, 16, 17, 18, 19, 20, 21, 78, 79, 80, 81, 82, 83",10.7,percent,"Producer price, not the distributor or installed price; AHE covers all employees at plumbing and HVAC contractors"
d27,Equipment price relative to contractor hourly pay: Heat pumps,((1 + change PCU333415333415H Jan 2020 to Aug 2026) / (1 + change AHE same months) - 1) x 100,"fact rows 8, 9, 10, 11, 12, 13, 14, 78, 79, 80, 81, 82, 83",-12.1,percent,"Producer price, not the distributor or installed price; AHE covers all employees at plumbing and HVAC contractors"
d28,Equipment price relative to contractor hourly pay: NAICS 333415 industry (all HVAC and refrigeration equipment),((1 + change PCU333415333415 Jan 2020 to Aug 2026) / (1 + change AHE same months) - 1) x 100,"fact rows 22, 23, 24, 25, 26, 27, 28, 78, 79, 80, 81, 82, 83",16.5,percent,"Producer price, not the distributor or installed price; AHE covers all employees at plumbing and HVAC contractors"
d29,Unitary AC minus heat pump cumulative change,"change(333415E) - change(333415H), Jan 2020 to Sep 2026","fact rows 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14",36.8,percentage points,Different base periods do not affect percent changes
d30,Share of Jan 2020 to Sep 2026 rise that came in 2021 and 2022: Unitary air conditioners,(index Dec 2022 - index Dec 2020) / (index latest - index Jan 2020) x 100,"fact rows 1, 2, 3, 4, 5, 6, 7",46.1,percent of index-point rise,Index-point shares depend on path; descriptive only
d31,Annualized change Jan 2015 to Jan 2020: Unitary air conditioners,((Jan 2020 / Jan 2015)^(1/5) - 1) x 100,"fact rows 1, 2, 3, 4, 5, 6, 7",3.2,percent per year,Compound rate
d32,Annualized change Jan 2020 to Sep 2026: Unitary air conditioners,((latest / Jan 2020)^(12/80) - 1) x 100,"fact rows 1, 2, 3, 4, 5, 6, 7",7.1,percent per year,Compound rate; latest months preliminary
d33,Share of Jan 2020 to Sep 2026 rise that came in 2021 and 2022: Heat pumps,(index Dec 2022 - index Dec 2020) / (index latest - index Jan 2020) x 100,"fact rows 8, 9, 10, 11, 12, 13, 14",85.8,percent of index-point rise,Index-point shares depend on path; descriptive only
d34,Annualized change Jan 2015 to Jan 2020: Heat pumps,((Jan 2020 / Jan 2015)^(1/5) - 1) x 100,"fact rows 8, 9, 10, 11, 12, 13, 14",1.4,percent per year,Compound rate
d35,Annualized change Jan 2020 to Sep 2026: Heat pumps,((latest / Jan 2020)^(12/80) - 1) x 100,"fact rows 8, 9, 10, 11, 12, 13, 14",2.9,percent per year,Compound rate; latest months preliminary
d36,Share of Jan 2020 to Sep 2026 rise that came in 2021 and 2022: Warm-air furnaces,(index Dec 2022 - index Dec 2020) / (index latest - index Jan 2020) x 100,"fact rows 15, 16, 17, 18, 19, 20, 21",53.7,percent of index-point rise,Index-point shares depend on path; descriptive only
d37,Annualized change Jan 2015 to Jan 2020: Warm-air furnaces,((Jan 2020 / Jan 2015)^(1/5) - 1) x 100,"fact rows 15, 16, 17, 18, 19, 20, 21",3.0,percent per year,Compound rate
d38,Annualized change Jan 2020 to Sep 2026: Warm-air furnaces,((latest / Jan 2020)^(12/80) - 1) x 100,"fact rows 15, 16, 17, 18, 19, 20, 21",7.1,percent per year,Compound rate; latest months preliminary
d39,Share of Jan 2020 to Sep 2026 rise that came in 2021 and 2022: NAICS 333415 industry (all HVAC and refrigeration equipment),(index Dec 2022 - index Dec 2020) / (index latest - index Jan 2020) x 100,"fact rows 22, 23, 24, 25, 26, 27, 28",59.8,percent of index-point rise,Index-point shares depend on path; descriptive only
d40,Annualized change Jan 2015 to Jan 2020: NAICS 333415 industry (all HVAC and refrigeration equipment),((Jan 2020 / Jan 2015)^(1/5) - 1) x 100,"fact rows 22, 23, 24, 25, 26, 27, 28",2.7,percent per year,Compound rate
d41,Annualized change Jan 2020 to Sep 2026: NAICS 333415 industry (all HVAC and refrigeration equipment),((latest / Jan 2020)^(12/80) - 1) x 100,"fact rows 22, 23, 24, 25, 26, 27, 28",7.3,percent per year,Compound rate; latest months preliminary
d42,Share of Jan 2020 to Sep 2026 rise that came in 2021 and 2022: CPI-U all items (consumer inflation),(index Dec 2022 - index Dec 2020) / (index latest - index Jan 2020) x 100,"fact rows 71, 72, 73, 74, 75, 76, 77",46.0,percent of index-point rise,Index-point shares depend on path; descriptive only
d43,Annualized change Jan 2015 to Jan 2020: CPI-U all items (consumer inflation),((Jan 2020 / Jan 2015)^(1/5) - 1) x 100,"fact rows 71, 72, 73, 74, 75, 76, 77",2.0,percent per year,Compound rate
d44,Annualized change Jan 2020 to Sep 2026: CPI-U all items (consumer inflation),((latest / Jan 2020)^(12/80) - 1) x 100,"fact rows 71, 72, 73, 74, 75, 76, 77",4.1,percent per year,Compound rate; latest months preliminary
d45,December 2022 to January 2023 change: Unitary air conditioners,(Jan 2023 / Dec 2022 - 1) x 100,"fact rows 1, 2, 3, 4, 5, 6, 7",1.1,percent,NSA; one-month change
d46,December 2024 to January 2025 change: Unitary air conditioners,(Jan 2025 / Dec 2024 - 1) x 100,"fact rows 1, 2, 3, 4, 5, 6, 7",-0.6,percent,NSA; one-month change
d47,"Median December to January change, other years 2016 to 2026: Unitary air conditioners",median of (Jan/Dec - 1) x 100 for 2016-2026 excluding 2023 and 2025,"fact rows 1, 2, 3, 4, 5, 6, 7",0.1,percent,9 observations
d48,Calendar 2023 change (Dec 2022 to Dec 2023): Unitary air conditioners,(Dec 2023 / Dec 2022 - 1) x 100,"fact rows 1, 2, 3, 4, 5, 6, 7",6.5,percent,NSA
d49,Calendar 2025 change (Dec 2024 to Dec 2025): Unitary air conditioners,(Dec 2025 / Dec 2024 - 1) x 100,"fact rows 1, 2, 3, 4, 5, 6, 7",3.1,percent,NSA
d50,December 2022 to January 2023 change: Heat pumps,(Jan 2023 / Dec 2022 - 1) x 100,"fact rows 8, 9, 10, 11, 12, 13, 14",-1.0,percent,NSA; one-month change
d51,December 2024 to January 2025 change: Heat pumps,(Jan 2025 / Dec 2024 - 1) x 100,"fact rows 8, 9, 10, 11, 12, 13, 14",0.5,percent,NSA; one-month change
d52,"Median December to January change, other years 2016 to 2026: Heat pumps",median of (Jan/Dec - 1) x 100 for 2016-2026 excluding 2023 and 2025,"fact rows 8, 9, 10, 11, 12, 13, 14",1.0,percent,9 observations
d53,Calendar 2023 change (Dec 2022 to Dec 2023): Heat pumps,(Dec 2023 / Dec 2022 - 1) x 100,"fact rows 8, 9, 10, 11, 12, 13, 14",-0.7,percent,NSA
d54,Calendar 2025 change (Dec 2024 to Dec 2025): Heat pumps,(Dec 2025 / Dec 2024 - 1) x 100,"fact rows 8, 9, 10, 11, 12, 13, 14",1.5,percent,NSA
d55,December 2022 to January 2023 change: Warm-air furnaces,(Jan 2023 / Dec 2022 - 1) x 100,"fact rows 15, 16, 17, 18, 19, 20, 21",-0.3,percent,NSA; one-month change
d56,December 2024 to January 2025 change: Warm-air furnaces,(Jan 2025 / Dec 2024 - 1) x 100,"fact rows 15, 16, 17, 18, 19, 20, 21",1.0,percent,NSA; one-month change
d57,"Median December to January change, other years 2016 to 2026: Warm-air furnaces",median of (Jan/Dec - 1) x 100 for 2016-2026 excluding 2023 and 2025,"fact rows 15, 16, 17, 18, 19, 20, 21",0.7,percent,9 observations
d58,Calendar 2023 change (Dec 2022 to Dec 2023): Warm-air furnaces,(Dec 2023 / Dec 2022 - 1) x 100,"fact rows 15, 16, 17, 18, 19, 20, 21",3.2,percent,NSA
d59,Calendar 2025 change (Dec 2024 to Dec 2025): Warm-air furnaces,(Dec 2025 / Dec 2024 - 1) x 100,"fact rows 15, 16, 17, 18, 19, 20, 21",6.9,percent,NSA
d60,12-month change Sep 2025 to Sep 2026: Unitary air conditioners,(Sep 2026 / Sep 2025 - 1) x 100,"fact rows 1, 2, 3, 4, 5, 6, 7",8.6,percent,Sep 2026 preliminary for PPI
d61,12-month change Sep 2025 to Sep 2026: Heat pumps,(Sep 2026 / Sep 2025 - 1) x 100,"fact rows 8, 9, 10, 11, 12, 13, 14",-4.1,percent,Sep 2026 preliminary for PPI
d62,12-month change Sep 2025 to Sep 2026: Warm-air furnaces,(Sep 2026 / Sep 2025 - 1) x 100,"fact rows 15, 16, 17, 18, 19, 20, 21",7.8,percent,Sep 2026 preliminary for PPI
d63,12-month change Sep 2025 to Sep 2026: NAICS 333415 industry (all HVAC and refrigeration equipment),(Sep 2026 / Sep 2025 - 1) x 100,"fact rows 22, 23, 24, 25, 26, 27, 28",5.7,percent,Sep 2026 preliminary for PPI
d64,12-month change Sep 2025 to Sep 2026: CPI-U all items (consumer inflation),(Sep 2026 / Sep 2025 - 1) x 100,"fact rows 71, 72, 73, 74, 75, 76, 77",3.7,percent,Sep 2026 preliminary for PPI
d65,Heat pump index change from its peak month to Sep 2026,(Sep 2026 / May 2025 - 1) x 100,"fact rows 8, 9, 10, 11, 12, 13, 14",-8.2,percent,Peak month May 2025 at 154.098; Sep 2026 preliminary
d66,Heat pump index change January to February 2026,(Feb 2026 / Jan 2026 - 1) x 100,"fact rows 8, 9, 10, 11, 12, 13, 14",-4.9,percent,NSA one-month change
d67,Warm-air furnace index change August to September 2026,(Sep 2026 / Aug 2026 - 1) x 100,"fact rows 15, 16, 17, 18, 19, 20, 21",3.6,percent,Both months preliminary; subject to revision