Georgia: 101 cities covered
Across 101 Georgia cities with a positive case for switching, the average incremental payback is about 9.0 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.
- Atlanta — 520,070 people, 2436 HDD
- Columbus — 201,830 people, 1708 HDD
- Augusta-Richmond County — 201,737 people, 2177 HDD
- Macon-Bibb County — 157,056 people, 2059 HDD
- Savannah — 148,808 people, 1252 HDD
- Athens-Clarke County — 128,691 people, 2412 HDD
- South Fulton — 112,003 people, 2093 HDD
- Sandy Springs — 105,505 people, 2569 HDD
- Roswell — 92,227 people, 2569 HDD
- Warner Robins — 86,199 people, 1762 HDD
- Johns Creek — 81,167 people, 2569 HDD
- Mableton — 78,314 people, 2436 HDD
- Alpharetta — 67,275 people, 2569 HDD
- Albany — 66,705 people, 1603 HDD
- Marietta — 63,122 people, 2337 HDD
- Stonecrest — 61,015 people, 2569 HDD
- Brookhaven — 59,370 people, 2569 HDD
- Smyrna — 57,177 people, 2337 HDD
- Valdosta — 55,667 people, 1193 HDD
- Dunwoody — 51,795 people, 2569 HDD
- Gainesville — 47,712 people, 2485 HDD
- Newnan — 45,548 people, 2198 HDD
- Peachtree Corners — 42,638 people, 2569 HDD
- Milton — 41,490 people, 2821 HDD
- Peachtree City — 40,758 people, 2462 HDD
- Douglasville — 40,540 people, 2436 HDD
- Woodstock — 39,381 people, 2508 HDD
- Rome — 38,747 people, 2604 HDD
- East Point — 38,270 people, 2093 HDD
- Canton — 38,049 people, 2821 HDD
- Kennesaw — 37,740 people, 2508 HDD
- Tucker — 37,224 people, 2569 HDD
- Hinesville — 36,583 people, 1529 HDD
- Stockbridge — 35,893 people, 2093 HDD
- Statesboro — 35,226 people, 1956 HDD
- Dalton — 34,970 people, 2795 HDD
- LaGrange — 33,564 people, 2422 HDD
- Duluth — 33,157 people, 2526 HDD
- McDonough — 32,803 people, 2513 HDD
- Chamblee — 32,321 people, 2569 HDD
- Lawrenceville — 31,877 people, 2526 HDD
- Pooler — 31,171 people, 1388 HDD
- Sugar Hill — 28,598 people, 2526 HDD
- Carrollton — 28,306 people, 2709 HDD
- Union City — 28,195 people, 2093 HDD
- Cartersville — 25,082 people, 2573 HDD
- Perry — 24,792 people, 1762 HDD
- Decatur — 24,482 people, 2569 HDD
- Griffin — 23,994 people, 2513 HDD
- Suwanee — 23,062 people, 2526 HDD
- Acworth — 22,624 people, 2508 HDD
- Snellville — 22,336 people, 2526 HDD
- Kingsland — 20,789 people, 1250 HDD
- Winder — 20,628 people, 2648 HDD
- Fayetteville — 20,419 people, 2462 HDD
- Holly Springs — 20,133 people, 2821 HDD
- St. Marys — 20,119 people, 1250 HDD
- Conyers — 20,111 people, 2550 HDD
- Villa Rica — 20,095 people, 2694 HDD
- Richmond Hill — 19,839 people, 1252 HDD
- Powder Springs — 19,632 people, 2337 HDD
- Calhoun — 19,592 people, 2795 HDD
- Forest Park — 19,301 people, 2093 HDD
- Norcross — 18,902 people, 2569 HDD
- Buford — 18,642 people, 2526 HDD
- Thomasville — 18,604 people, 1451 HDD
- Grovetown — 17,843 people, 1770 HDD
- Braselton — 17,390 people, 2485 HDD
- Tifton — 17,385 people, 1552 HDD
- Fairburn — 17,267 people, 2093 HDD
- Loganville — 16,862 people, 2526 HDD
- Milledgeville — 16,664 people, 1962 HDD
- Jefferson — 16,459 people, 2486 HDD
- Monroe — 16,270 people, 2550 HDD
- Dublin — 16,233 people, 2172 HDD
- Lilburn — 16,210 people, 2569 HDD
- Americus — 15,742 people, 1871 HDD
- Brunswick — 15,520 people, 1125 HDD
- Covington — 15,302 people, 2550 HDD
- Dallas — 15,062 people, 2694 HDD
- Port Wentworth — 14,865 people, 1388 HDD
- Moultrie — 14,756 people, 1407 HDD
- Bainbridge — 14,586 people, 1414 HDD
- Riverdale — 14,586 people, 2093 HDD
- Clarkston — 14,416 people, 2569 HDD
- College Park — 13,953 people, 2093 HDD
- Waycross — 13,671 people, 1273 HDD
- Lovejoy — 12,612 people, 2093 HDD
- Doraville — 12,436 people, 2569 HDD
- Flowery Branch — 12,292 people, 2485 HDD
- Douglas — 11,828 people, 1322 HDD
- Locust Grove — 11,749 people, 2513 HDD
- Rincon — 11,701 people, 1388 HDD
- Vidalia — 10,853 people, 1480 HDD
- Fort Oglethorpe — 10,614 people, 2547 HDD
- Garden City — 10,536 people, 1388 HDD
- Cedartown — 10,313 people, 2694 HDD
- Jesup — 10,235 people, 1429 HDD
- Cumming — 10,175 people, 2821 HDD
- Auburn — 10,094 people, 2526 HDD
- Cairo — 10,057 people, 1451 HDD