Idaho: 26 cities covered
Idaho's cities mostly do not clear a positive payback against a like-for-like gas furnace replacement, which is itself the honest local answer.
- Boise City — 237,963 people, 4976 HDD
- Meridian — 139,740 people, 5262 HDD
- Nampa — 117,350 people, 5262 HDD
- Caldwell — 73,088 people, 5220 HDD
- Idaho Falls — 69,523 people, 6714 HDD
- Pocatello — 58,231 people, 6470 HDD
- Coeur d'Alene — 57,355 people, 6151 HDD
- Twin Falls — 55,589 people, 5850 HDD
- Post Falls — 45,800 people, 6151 HDD
- Rexburg — 40,695 people, 7231 HDD
- Lewiston — 34,693 people, 4626 HDD
- Eagle — 33,451 people, 5262 HDD
- Kuna — 29,127 people, 5262 HDD
- Moscow — 26,894 people, 6235 HDD
- Ammon — 20,095 people, 6714 HDD
- Star — 18,208 people, 5220 HDD
- Hayden — 16,924 people, 6151 HDD
- Mountain Home — 16,912 people, 5501 HDD
- Chubbuck — 16,577 people, 6470 HDD
- Jerome — 13,481 people, 6024 HDD
- Blackfoot — 13,224 people, 6470 HDD
- Garden City — 12,936 people, 4976 HDD
- Rathdrum — 12,626 people, 6151 HDD
- Burley — 12,211 people, 6094 HDD
- Middleton — 11,730 people, 5220 HDD
- Sandpoint — 10,444 people, 6899 HDD