Colorado: Attic Insulation Payback by County

Colorado: 61 counties covered

Colorado spans DOE climate zones 4, 5, 6, 7. Across its 61 counties tracked here, an uninsulated attic saves an estimated $2,043/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.

• Lake County — zone 7, ~$2,958/yr
• San Juan County — zone 7, ~$2,951/yr
• Jackson County — zone 7, ~$2,894/yr
• Park County — zone 7, ~$2,876/yr
• Summit County — zone 7, ~$2,871/yr
• Hinsdale County — zone 7, ~$2,728/yr
• Larimer County — zone 5, ~$2,689/yr
• Gunnison County — zone 7, ~$2,659/yr
• Eagle County — zone 6, ~$2,642/yr
• Mineral County — zone 7, ~$2,629/yr
• Grand County — zone 7, ~$2,611/yr
• Gilpin County — zone 5, ~$2,446/yr
• Rio Grande County — zone 7, ~$2,395/yr
• Routt County — zone 7, ~$2,384/yr
• Moffat County — zone 6, ~$2,342/yr
• Teller County — zone 5, ~$2,286/yr
• Clear Creek County — zone 7, ~$2,229/yr
• Alamosa County — zone 6, ~$2,207/yr
• Pitkin County — zone 7, ~$2,191/yr
• Custer County — zone 6, ~$2,169/yr
• Rio Blanco County — zone 6, ~$2,136/yr
• Conejos County — zone 6, ~$2,091/yr
• Saguache County — zone 6, ~$2,090/yr
• Costilla County — zone 6, ~$2,076/yr
• Ouray County — zone 6, ~$2,075/yr
• Chaffee County — zone 6, ~$2,032/yr
• Garfield County — zone 5, ~$1,950/yr
• Weld County — zone 5, ~$1,929/yr
• Montrose County — zone 5, ~$1,878/yr
• San Miguel County — zone 6, ~$1,878/yr
• Phillips County — zone 5, ~$1,863/yr
• Sedgwick County — zone 5, ~$1,843/yr
• Adams County — zone 5, ~$1,827/yr
• Arapahoe County — zone 5, ~$1,827/yr
• Elbert County — zone 5, ~$1,824/yr
• La Plata County — zone 5, ~$1,824/yr
• Morgan County — zone 5, ~$1,821/yr
• Archuleta County — zone 6, ~$1,819/yr
• Delta County — zone 5, ~$1,808/yr
• Lincoln County — zone 5, ~$1,795/yr
• Washington County — zone 5, ~$1,793/yr
• Dolores County — zone 6, ~$1,784/yr
• Cheyenne County — zone 5, ~$1,768/yr
• Logan County — zone 5, ~$1,749/yr
• Yuma County — zone 5, ~$1,743/yr
• Crowley County — zone 5, ~$1,721/yr
• Douglas County — zone 5, ~$1,712/yr
• Kit Carson County — zone 5, ~$1,701/yr
• Otero County — zone 4, ~$1,691/yr
• Denver County — zone 5, ~$1,672/yr
• El Paso County — zone 5, ~$1,672/yr
• Kiowa County — zone 5, ~$1,665/yr
• Montezuma County — zone 5, ~$1,665/yr
• Prowers County — zone 5, ~$1,647/yr
• Mesa County — zone 5, ~$1,612/yr
• Pueblo County — zone 5, ~$1,610/yr
• Baca County — zone 4, ~$1,605/yr
• Bent County — zone 5, ~$1,582/yr
• Fremont County — zone 5, ~$1,575/yr
• Huerfano County — zone 5, ~$1,561/yr
• Las Animas County — zone 4, ~$1,551/yr