Cut,Group,All homes (million),Main heat: central heat pump (million),Central heat pump share (%),Central warm-air furnace share (%)
Housing type,Single-family detached,77.07,10.01,13.0,68.8
Housing type,Single-family attached,7.45,0.75,10.1,65.9
Housing type,Apartments (2 to 4 units),9.34,0.92,9.9,45.2
Housing type,Apartments (5 or more units),22.84,2.87,12.6,37.9
Housing type,Mobile home,6.83,1.58,23.1,52.7
Year built,Before 1950,20.26,0.85,4.2,58.5
Year built,1950 to 1959,12.48,0.91,7.3,66.4
Year built,1960 to 1969,12.76,1.27,10.0,59.6
Year built,1970 to 1979,18.34,2.47,13.5,57.0
Year built,1980 to 1989,16.3,2.8,17.2,55.2
Year built,1990 to 1999,17.16,3.08,17.9,62.2
Year built,2000 to 2009,16.16,2.78,17.2,64.4
Year built,2010 to 2015,5.53,1.03,18.6,61.8
Year built,2016 to 2020,4.56,0.95,20.8,60.1