Year,HVAC median age,Electricians median age,Plumbers median age,All employed median age,HVAC minus all employed (years),HVAC under 35 (%),HVAC 55 and over (%),HVAC workers under 35 per worker 55 and over,All employed under 35 (%),All employed 55 and over (%),All employed under 35 per worker 55 and over
2011,39.4,41.5,41.4,42.1,-2.7,37.9,13.0,2.91,34.2,20.6,1.66
2012,40.2,43.4,41.7,42.3,-2.1,37.6,12.6,2.98,34.1,21.4,1.59
2013,41.1,42.8,41.6,42.4,-1.3,35.9,15.9,2.26,34.3,21.9,1.57
2014,41.7,41.2,42.3,42.3,-0.6,34.4,19.8,1.73,34.5,22.1,1.56
2015,40.9,41.6,42.6,42.3,-1.4,38.7,17.2,2.26,34.6,22.5,1.54
2016,41.7,42.2,43.6,42.2,-0.5,37.2,18.3,2.04,34.8,22.7,1.53
2017,41.6,41.8,41.1,42.2,-0.6,35.9,20.3,1.77,35.0,23.0,1.52
2018,41.2,41.6,41.8,42.2,-1.0,34.5,19.9,1.73,35.0,23.3,1.5
2019,40.9,41.5,41.0,42.3,-1.4,38.2,18.7,2.05,35.0,23.6,1.48
2020,41.2,41.7,41.0,42.5,-1.3,32.4,18.7,1.74,34.2,23.9,1.44
2021,41.9,41.4,40.6,42.2,-0.3,32.8,22.5,1.46,34.9,23.6,1.48
2022,40.7,40.8,40.8,42.3,-1.6,37.3,19.1,1.96,34.5,23.6,1.46
2023,39.4,39.9,40.8,42.1,-2.7,39.0,18.7,2.09,34.9,23.2,1.5
2024,38.5,39.6,40.1,42.2,-3.7,44.4,14.9,2.97,34.4,23.4,1.47
2025,39.9,39.6,40.2,42.1,-2.2,40.3,18.7,2.15,34.4,23.2,1.48