Connecticut: Attic Insulation Payback by County

Connecticut: 9 counties covered

Connecticut spans DOE climate zone 5. Across its 9 counties tracked here, an uninsulated attic saves an estimated $1,704/year on average once topped up to the recommended R-value — actual savings depend on each county's own heating and cooling degree days, shown below.

• Northwest Hills Planning Region — zone 5, ~$2,014/yr
• Northeastern Connecticut Planning Region — zone 5, ~$1,780/yr
• Western Connecticut Planning Region — zone 5, ~$1,742/yr
• Naugatuck Valley Planning Region — zone 5, ~$1,733/yr
• Lower Connecticut River Valley Planning Region — zone 5, ~$1,691/yr
• Capitol Planning Region — zone 5, ~$1,649/yr
• Southeastern Connecticut Planning Region — zone 5, ~$1,621/yr
• South Central Connecticut Planning Region — zone 5, ~$1,581/yr
• Greater Bridgeport Planning Region — zone 5, ~$1,528/yr