State,"Occupied homes, 2025 (ACS)","Any AC, % (RECS 2020)","Central AC, % (RECS 2020)","Individual units, % (RECS 2020)","No AC, % (RECS 2020)","No AC, % (Census LACE 2023)","Homes without central AC, 2025 (thousands, our estimate)",Rank: most homes without central AC,"Central AC systems 15+ years old, % (RECS 2020)"
Florida,9326796,95.8,90.4,10.8,4.2,0.5,898,13,12.8
South Carolina,2296350,95.1,86.4,17.7,4.9,1.1,313,32,18.2
Tennessee,2954096,93.5,85.8,16.5,6.5,1.8,421,28,19.9
Arizona,3040935,94.2,85.7,12.3,5.8,2.0,436,27,16.6
Nebraska,827249,94.7,85.6,14.0,5.3 (RSE above 30%),0.9,119,48,34.6
Georgia,4269857,95.2,85.5,18.2,4.8,0.9,618,18,19.3
Kansas,1205638,93.2,85.1,14.6,6.8,1.4,179,45,21.9
Delaware,422123,97.0,85.0,19.4,3.0 (RSE above 30%),0.5,63,51,19.9
North Carolina,4539531,90.6,84.5,11.5,9.4,2.7,705,17,19.7
Kentucky,1885581,94.9,83.9,18.8,5.1,2.2,304,34,21.0
Oklahoma,1616177,96.0,83.2,19.7,4.0 (RSE above 30%),0.5,271,40,19.2
Texas,11607274,95.0,83.0,16.3,5.0,1.0,1973,5,16.5
Missouri,2604619,95.2,82.9,19.2,4.8 (RSE above 30%),0.9,445,25,29.0
Virginia,3480219,94.6,82.5,17.1,5.4,1.8,608,19,22.0
Alabama,2070835,93.5,81.5,20.4,6.5,0.8,384,30,15.7
Iowa,1355504,97.2,81.1,22.2,2.8 (RSE above 30%),1.1,256,42,32.7
Indiana,2816686,94.3,80.7,20.1,5.7,1.1,543,21,23.1
Maryland,2428843,91.4,79.9,20.4,8.6,1.7,489,22,24.8
Mississippi,1197317,92.9,79.3,24.1,7.1 (RSE above 30%),1.1,248,44,22.9
Utah,1208124,91.9,79.2,13.9,8.1,8.2,252,43,21.5
Nevada,1245703,92.0,78.0,13.9,8.0,3.9,275,38,27.6
South Dakota,387580,92.0,76.4,18.8,8.0,4.6,91,50,29.4
Louisiana,1855847,92.6,75.7,25.4,7.4,0.9,451,24,20.9
Illinois,5134283,96.0,73.9,28.2,4.0,1.8,1341,9,25.9
Ohio,4957873,93.5,73.7,26.1,6.5,3.6,1306,10,30.5
Arkansas,1277805,93.4,72.5,26.4,6.6,2.6,352,31,22.6
Minnesota,2391870,94.3,68.5,29.0,5.7,3.9,754,16,34.7
District of Columbia,333195,93.3,68.0,30.0,6.7,1.8,107,49,32.0
Wisconsin,2567583,92.4,67.2,28.9,7.6,7.7,841,15,33.6
Michigan,4150990,86.6,66.5,26.6,13.4,8.6,1392,7,31.6
Idaho,765200,80.6,63.8,18.8,19.4,9.3,277,36,30.7
West Virginia,747801,89.1,63.6,33.4,10.9,8.2,272,39,19.1
New Jersey,3565008,96.5,61.1,42.2,3.5,1.1,1385,8,25.9
North Dakota,352013,92.9,58.1,37.2,7.1,2.1,147,47,31.6
Colorado,2483142,81.7,56.8,20.4,18.3,13.4,1073,11,24.7
California,13898622,72.4,53.7,23.1,27.6,21.4,6430,1,29.7
Pennsylvania,5405581,90.8,53.5,43.3,9.2,5.7,2514,3,27.8
New Mexico,863010,85.0,53.0,14.1,15.0,14.1,406,29,19.8
Oregon,1745361,76.3,49.1,30.4,23.7,18.1,889,14,26.6
Montana,481275,65.1,40.1,30.0,34.9,27.0,288,35,20.5
Wyoming,256608,70.7,39.8,23.4,29.3,21.1,154,46,25.7
Connecticut,1456915,89.6,34.0,60.3,10.4,5.1,962,12,35.9
Massachusetts,2827794,87.2,32.1,57.8,12.8,5.9,1921,6,29.6
Rhode Island,450467,90.0,31.2,64.8,10.0,8.4,310,33,29.9
Washington,3180129,52.5,29.5,24.6,47.5,34.2,2242,4,26.7
New York,7867612,87.7,29.3,61.1,12.3,9.8,5561,2,30.2
New Hampshire,574089,77.7,21.1,58.9,22.3,12.8,453,23,23.0 (RSE above 30%)
Hawaii,500883,57.0,11.6,47.5,43.0,43.4,443,26,25.2 (RSE above 30%)
Maine,620759,70.5,9.6,62.9,29.6,18.3,561,20,withheld (RSE above 50%)
Vermont,285750,67.0,7.5,60.3,33.0,27.2,264,41,26.0 (RSE above 30%)
Alaska,278920,6.9,withheld (RSE above 50%),6.1,93.1,93.0,277,37,withheld (RSE above 50%)
United States,134063422,88.7,67.3,26.2,11.3,6.9,43839,,23.3