Year,Unitary AC (%),Heat pumps (%),Warm-air furnaces (%),NAICS 333415 (%),CPI-U (%)
2016,1.9,-2.3,-1.4,1.3,2.1
2017,2.1,-0.1,-0.3,1.7,2.1
2018,6.8,7.1,5.8,6.1,1.9
2019,7.5,0.3,7.7,3.5,2.3
2020,3.3,4.1,3.7,2.3,1.4
2021,7.7,8.7,16.2,15.5,7.0
2022,16.4,7.9,12.0,17.2,6.5
2023,6.5,-0.7,3.2,3.7,3.4
2024,1.1,2.8,0.4,1.3,2.9
2025,3.1,1.5,6.9,5.0,2.7
2026 (Sep 2025 to Sep 2026),8.6,-4.1,7.8,5.7,3.7