Texas: 252 cities covered
Across 252 Texas cities with a positive case for switching, the average incremental payback is about 7.6 years against a like-for-like gas furnace replacement — but that average hides real spread, which is why each city gets its own page rather than one statewide number.
- Houston — 2,390,125 people, 776 HDD
- San Antonio — 1,526,656 people, 1016 HDD
- Dallas — 1,326,087 people, 1633 HDD
- Fort Worth — 1,008,106 people, 1912 HDD
- Austin — 993,588 people, 1136 HDD
- El Paso — 681,723 people, 1774 HDD
- Arlington — 403,672 people, 1697 HDD
- Corpus Christi — 317,317 people, 457 HDD
- Plano — 293,286 people, 1620 HDD
- Lubbock — 272,086 people, 2668 HDD
- Laredo — 261,260 people, 538 HDD
- Irving — 258,060 people, 1667 HDD
- Garland — 250,431 people, 1853 HDD
- Frisco — 235,208 people, 1620 HDD
- McKinney — 227,526 people, 1985 HDD
- Grand Prairie — 207,331 people, 1633 HDD
- Amarillo — 203,729 people, 3434 HDD
- Brownsville — 191,967 people, 258 HDD
- Denton — 165,998 people, 2081 HDD
- Killeen — 160,616 people, 1439 HDD
- Mesquite — 150,140 people, 1826 HDD
- Pasadena — 149,617 people, 806 HDD
- McAllen — 148,782 people, 319 HDD
- Waco — 146,608 people, 1622 HDD
- Midland — 143,687 people, 1927 HDD
- Lewisville — 135,983 people, 1620 HDD
- Carrollton — 135,456 people, 1620 HDD
- Round Rock — 135,359 people, 1359 HDD
- Abilene — 130,501 people, 1899 HDD
- Pearland — 129,620 people, 795 HDD
- College Station — 128,023 people, 1105 HDD
- Odessa — 119,748 people, 1887 HDD
- League City — 118,456 people, 795 HDD
- Richardson — 118,221 people, 1620 HDD
- New Braunfels — 116,477 people, 1026 HDD
- Conroe — 114,581 people, 1303 HDD
- Allen — 113,746 people, 1985 HDD
- Beaumont — 112,893 people, 1148 HDD
- Tyler — 112,219 people, 1555 HDD
- Sugar Land — 109,851 people, 834 HDD
- Edinburg — 108,733 people, 397 HDD
- Wichita Falls — 102,372 people, 2237 HDD
- Georgetown — 101,344 people, 1359 HDD
- San Angelo — 100,159 people, 1737 HDD
- Temple — 96,267 people, 1528 HDD
- Bryan — 91,541 people, 1105 HDD
- Mission — 88,574 people, 319 HDD
- Leander — 87,511 people, 1132 HDD
- Baytown — 86,004 people, 853 HDD
- Longview — 83,668 people, 1656 HDD
- Pharr — 81,142 people, 319 HDD
- Mansfield — 80,803 people, 1697 HDD
- Flower Mound — 79,990 people, 1667 HDD
- Missouri City — 78,582 people, 852 HDD
- Cedar Park — 78,380 people, 1132 HDD
- San Marcos — 74,316 people, 1168 HDD
- Harlingen — 72,234 people, 402 HDD
- North Richland Hills — 71,436 people, 1912 HDD
- Rowlett — 68,123 people, 1853 HDD
- Pflugerville — 66,819 people, 1053 HDD
- Victoria — 66,020 people, 818 HDD
- Kyle — 65,833 people, 1168 HDD
- Wylie — 62,954 people, 1853 HDD
- Little Elm — 61,219 people, 2081 HDD
- Euless — 60,010 people, 1667 HDD
- Texas City — 57,875 people, 630 HDD
- DeSoto — 56,711 people, 1726 HDD
- Burleson — 56,253 people, 1826 HDD
- Port Arthur — 55,799 people, 871 HDD
- Fulshear — 54,629 people, 960 HDD
- Rockwall — 53,547 people, 1853 HDD
- Galveston — 53,538 people, 622 HDD
- Celina — 51,661 people, 1985 HDD
- Grapevine — 51,320 people, 1667 HDD
- Sherman — 50,229 people, 2068 HDD
- Cedar Hill — 49,618 people, 1726 HDD
- Huntsville — 49,500 people, 1228 HDD
- Bedford — 48,728 people, 1667 HDD
- Waxahachie — 48,617 people, 1624 HDD
- Keller — 46,643 people, 1801 HDD
- The Colony — 45,897 people, 1620 HDD
- Haltom City — 45,786 people, 1912 HDD
- Prosper — 44,503 people, 1985 HDD
- Schertz — 44,428 people, 1011 HDD
- Midlothian — 44,104 people, 1624 HDD
- Weslaco — 43,864 people, 327 HDD
- Hutto — 42,661 people, 1053 HDD
- Rosenberg — 42,571 people, 834 HDD
- Coppell — 41,785 people, 1667 HDD
- Friendswood — 41,291 people, 795 HDD
- Lancaster — 40,780 people, 1875 HDD
- Copperas Cove — 39,627 people, 1283 HDD
- Hurst — 39,500 people, 1667 HDD
- Weatherford — 39,397 people, 1927 HDD
- Duncanville — 39,203 people, 1726 HDD
- Seguin — 38,789 people, 1026 HDD
- Socorro — 38,642 people, 1672 HDD
- Forney — 38,572 people, 1826 HDD
- Cleburne — 38,131 people, 1826 HDD
- La Porte — 38,046 people, 853 HDD
- Cibolo — 37,816 people, 1011 HDD
- Farmers Branch — 37,341 people, 1620 HDD
- San Juan — 37,341 people, 319 HDD
- Princeton — 37,019 people, 1985 HDD
- Texarkana — 35,971 people, 1769 HDD
- Harker Heights — 35,263 people, 1439 HDD
- Del Rio — 34,678 people, 787 HDD
- Deer Park — 34,495 people, 806 HDD
- Lufkin — 34,399 people, 1366 HDD
- Greenville — 34,355 people, 2066 HDD
- Sachse — 33,008 people, 1853 HDD
- Nacogdoches — 32,381 people, 1366 HDD
- Anna — 31,986 people, 1985 HDD
- Southlake — 31,500 people, 1667 HDD
- Converse — 31,400 people, 1011 HDD
- Alvin — 29,869 people, 795 HDD
- Eagle Pass — 28,768 people, 687 HDD
- Lake Jackson — 28,158 people, 812 HDD
- Katy — 27,741 people, 960 HDD
- Fate — 27,467 people, 1853 HDD
- Balch Springs — 27,307 people, 1826 HDD
- Denison — 26,446 people, 2068 HDD
- Royse City — 26,387 people, 1853 HDD
- Melissa — 26,194 people, 1985 HDD
- Saginaw — 26,116 people, 1912 HDD
- Colleyville — 26,012 people, 1667 HDD
- Belton — 25,635 people, 1528 HDD
- Corsicana — 25,591 people, 1441 HDD
- University Park — 25,268 people, 1633 HDD
- Kerrville — 25,141 people, 1557 HDD
- Paris — 25,037 people, 2140 HDD
- Kingsville — 24,884 people, 392 HDD
- Horizon City — 24,802 people, 1672 HDD
- Ennis — 24,753 people, 1875 HDD
- San Benito — 24,712 people, 402 HDD
- Benbrook — 24,542 people, 1554 HDD
- Corinth — 24,450 people, 2081 HDD
- Marshall — 24,263 people, 1826 HDD
- Watauga — 23,120 people, 1912 HDD
- Terrell — 22,977 people, 1855 HDD
- Alton — 22,907 people, 319 HDD
- Boerne — 22,712 people, 1016 HDD
- Big Spring — 22,541 people, 2137 HDD
- Stephenville — 22,147 people, 1866 HDD
- Dickinson — 21,941 people, 630 HDD
- Manor — 21,500 people, 1053 HDD
- Murphy — 21,109 people, 1853 HDD
- Angleton — 20,979 people, 812 HDD
- Portland — 20,725 people, 519 HDD
- Alamo — 20,694 people, 319 HDD
- Crowley — 20,483 people, 1826 HDD
- Universal City — 20,267 people, 1011 HDD
- La Marque — 20,194 people, 630 HDD
- Seagoville — 20,124 people, 1826 HDD
- Glenn Heights — 19,752 people, 1624 HDD
- Brenham — 19,728 people, 1108 HDD
- Palestine — 19,583 people, 1633 HDD
- Plainview — 19,429 people, 3559 HDD
- Red Oak — 19,365 people, 1875 HDD
- Manvel — 19,309 people, 852 HDD
- Orange — 19,275 people, 950 HDD
- Lakeway — 19,056 people, 1132 HDD
- Brownwood — 18,772 people, 916 HDD
- Gainesville — 18,295 people, 2068 HDD
- Nederland — 18,168 people, 929 HDD
- White Settlement — 18,099 people, 1554 HDD
- Taylor — 17,872 people, 1053 HDD
- Alice — 17,595 people, 583 HDD
- Stafford — 17,555 people, 834 HDD
- Mercedes — 17,535 people, 327 HDD
- Bay City — 17,471 people, 978 HDD
- Bellaire — 17,439 people, 776 HDD
- Addison — 17,257 people, 1620 HDD
- Iowa Colony — 17,240 people, 852 HDD
- Lockhart — 17,166 people, 1168 HDD
- Sulphur Springs — 16,891 people, 1845 HDD
- Donna — 16,876 people, 327 HDD
- Groves — 16,866 people, 871 HDD
- Hewitt — 16,749 people, 1563 HDD
- Humble — 16,561 people, 891 HDD
- Pampa — 16,487 people, 3258 HDD
- Canyon — 16,457 people, 3434 HDD
- Gatesville — 16,388 people, 1551 HDD
- Mount Pleasant — 16,238 people, 1994 HDD
- Live Oak — 16,218 people, 1011 HDD
- South Houston — 16,146 people, 722 HDD
- Highland Village — 16,137 people, 2081 HDD
- Buda — 16,090 people, 1277 HDD
- Palmview — 16,030 people, 319 HDD
- Mineral Wells — 15,688 people, 1927 HDD
- Uvalde — 15,589 people, 1063 HDD
- Rio Grande City — 15,526 people, 319 HDD
- Hidalgo — 15,164 people, 319 HDD
- Tomball — 15,152 people, 961 HDD
- West University Place — 15,149 people, 776 HDD
- Azle — 15,046 people, 1554 HDD
- Hereford — 14,860 people, 3283 HDD
- Dumas — 14,834 people, 3589 HDD
- Jacksonville — 14,639 people, 1060 HDD
- Forest Hill — 14,314 people, 1826 HDD
- Lumberton — 14,255 people, 1148 HDD
- Seabrook — 13,976 people, 853 HDD
- Port Neches — 13,709 people, 929 HDD
- Trophy Club — 13,704 people, 1801 HDD
- Andrews — 13,677 people, 2494 HDD
- Kilgore — 13,583 people, 1656 HDD
- Athens — 13,575 people, 1736 HDD
- Henderson — 13,485 people, 1060 HDD
- Richmond — 13,305 people, 834 HDD
- Beeville — 13,176 people, 763 HDD
- Santa Fe — 13,131 people, 795 HDD
- Robinson — 12,986 people, 1563 HDD
- Granbury — 12,934 people, 1866 HDD
- Bastrop — 12,720 people, 1105 HDD
- Webster — 12,548 people, 806 HDD
- Levelland — 12,494 people, 2668 HDD
- Elgin — 12,438 people, 1053 HDD
- El Campo — 12,176 people, 953 HDD
- Liberty Hill — 11,984 people, 1387 HDD
- Selma — 11,900 people, 1011 HDD
- Borger — 11,892 people, 2889 HDD
- Fredericksburg — 11,766 people, 1237 HDD
- Fair Oaks Ranch — 11,744 people, 1016 HDD
- Roma — 11,635 people, 562 HDD
- Heath — 11,499 people, 1853 HDD
- Leon Valley — 11,424 people, 925 HDD
- Pleasanton — 11,409 people, 905 HDD
- Port Lavaca — 11,299 people, 711 HDD
- Snyder — 11,151 people, 2338 HDD
- Bonham — 11,115 people, 2175 HDD
- Burkburnett — 11,101 people, 2310 HDD
- Rockport — 11,069 people, 493 HDD
- Fairview — 10,922 people, 1985 HDD
- Roanoke — 10,895 people, 1801 HDD
- Clute — 10,893 people, 812 HDD
- Kennedale — 10,771 people, 1697 HDD
- Northlake — 10,746 people, 1801 HDD
- Freeport — 10,635 people, 812 HDD
- Bellmead — 10,607 people, 1184 HDD
- Galena Park — 10,438 people, 636 HDD
- Robstown — 10,383 people, 574 HDD
- Providence Village — 10,350 people, 2081 HDD
- Mont Belvieu — 10,229 people, 853 HDD
- Town of Pecos — 10,224 people, 1640 HDD
- Helotes — 10,223 people, 1016 HDD
- Lago Vista — 10,201 people, 1132 HDD
- Sweetwater — 10,196 people, 866 HDD
- Dripping Springs — 10,165 people, 1136 HDD
- Ingleside — 10,155 people, 457 HDD
- Sanger — 10,142 people, 2081 HDD
- San Elizario — 10,128 people, 1672 HDD
- Raymondville — 10,107 people, 421 HDD