Maine: 11 cities covered
Maine's cities mostly do not clear a positive payback against a like-for-like gas furnace replacement, which is itself the honest local answer.
- Portland — 69,568 people, 5720 HDD
- Lewiston — 38,772 people, 6483 HDD
- Bangor — 32,446 people, 6653 HDD
- South Portland — 26,994 people, 6236 HDD
- Auburn — 25,200 people, 6483 HDD
- Sanford — 22,497 people, 6497 HDD
- Biddeford — 22,370 people, 5779 HDD
- Westbrook — 21,386 people, 6236 HDD
- Saco — 21,064 people, 6236 HDD
- Augusta — 19,168 people, 6247 HDD
- Waterville — 17,336 people, 6706 HDD