Rank,State,DOE region,Households 2025,Share of US households (%),Split AC minimum SEER2 (under 45k / 45k+),Split AC date test 1,California,Southwest,13898622,10.37,14.3 / 13.8,Installation 2,Texas,Southeast,11607274,8.66,14.3 / 13.8,Installation 3,Florida,Southeast,9326796,6.96,14.3 / 13.8,Installation 4,New York,North,7867612,5.87,13.4,Manufacture 5,Pennsylvania,North,5405581,4.03,13.4,Manufacture 6,Illinois,North,5134283,3.83,13.4,Manufacture 7,Ohio,North,4957873,3.70,13.4,Manufacture 8,North Carolina,Southeast,4539531,3.39,14.3 / 13.8,Installation 9,Georgia,Southeast,4269857,3.18,14.3 / 13.8,Installation 10,Michigan,North,4150990,3.10,13.4,Manufacture 11,New Jersey,North,3565008,2.66,13.4,Manufacture 12,Virginia,Southeast,3480219,2.60,14.3 / 13.8,Installation 13,Washington,North,3180129,2.37,13.4,Manufacture 14,Arizona,Southwest,3040935,2.27,14.3 / 13.8,Installation 15,Tennessee,Southeast,2954096,2.20,14.3 / 13.8,Installation 16,Massachusetts,North,2827794,2.11,13.4,Manufacture 17,Indiana,North,2816686,2.10,13.4,Manufacture 18,Missouri,North,2604619,1.94,13.4,Manufacture 19,Wisconsin,North,2567583,1.92,13.4,Manufacture 20,Colorado,North,2483142,1.85,13.4,Manufacture 21,Maryland,Southeast,2428843,1.81,14.3 / 13.8,Installation 22,Minnesota,North,2391870,1.78,13.4,Manufacture 23,South Carolina,Southeast,2296350,1.71,14.3 / 13.8,Installation 24,Alabama,Southeast,2070835,1.54,14.3 / 13.8,Installation 25,Kentucky,Southeast,1885581,1.41,14.3 / 13.8,Installation 26,Louisiana,Southeast,1855847,1.38,14.3 / 13.8,Installation 27,Oregon,North,1745361,1.30,13.4,Manufacture 28,Oklahoma,Southeast,1616177,1.21,14.3 / 13.8,Installation 29,Connecticut,North,1456915,1.09,13.4,Manufacture 30,Iowa,North,1355504,1.01,13.4,Manufacture 31,Arkansas,Southeast,1277805,0.95,14.3 / 13.8,Installation 32,Nevada,Southwest,1245703,0.93,14.3 / 13.8,Installation 33,Utah,North,1208124,0.90,13.4,Manufacture 34,Kansas,North,1205638,0.90,13.4,Manufacture 35,Mississippi,Southeast,1197317,0.89,14.3 / 13.8,Installation 36,New Mexico,Southwest,863010,0.64,14.3 / 13.8,Installation 37,Nebraska,North,827249,0.62,13.4,Manufacture 38,Idaho,North,765200,0.57,13.4,Manufacture 39,West Virginia,North,747801,0.56,13.4,Manufacture 40,Maine,North,620759,0.46,13.4,Manufacture 41,New Hampshire,North,574089,0.43,13.4,Manufacture 42,Hawaii,Southeast,500883,0.37,14.3 / 13.8,Installation 43,Montana,North,481275,0.36,13.4,Manufacture 44,Rhode Island,North,450467,0.34,13.4,Manufacture 45,Delaware,Southeast,422123,0.31,14.3 / 13.8,Installation 46,South Dakota,North,387580,0.29,13.4,Manufacture 47,North Dakota,North,352013,0.26,13.4,Manufacture 48,District of Columbia,Southeast,333195,0.25,14.3 / 13.8,Installation 49,Vermont,North,285750,0.21,13.4,Manufacture 50,Alaska,North,278920,0.21,13.4,Manufacture 51,Wyoming,North,256608,0.19,13.4,Manufacture