Series,BLS series ID,Annual rate Jan 2015 to Jan 2020 (%),Annual rate Jan 2020 to latest (%),Share of index rise since Jan 2020 that came Dec 2020 to Dec 2022 (%) Unitary air conditioners,PCU333415333415E,3.2,7.1,46.1 Heat pumps,PCU333415333415H,1.4,2.9,85.8 Warm-air furnaces,PCU333415333415C,3.0,7.1,53.7 NAICS 333415 industry (all HVAC and refrigeration equipment),PCU333415333415,2.7,7.3,59.8 CPI-U all items (consumer inflation),CUUR0000SA0,2.0,4.1,46.0