Oregon: Attic Insulation Payback by County

Oregon: 36 counties covered

Oregon spans DOE climate zones 4, 5. Across its 36 counties tracked here, an uninsulated attic saves an estimated $1,557/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.

• Deschutes County — zone 5, ~$2,062/yr
• Klamath County — zone 5, ~$1,985/yr
• Wallowa County — zone 5, ~$1,943/yr
• Harney County — zone 5, ~$1,893/yr
• Grant County — zone 5, ~$1,876/yr
• Baker County — zone 5, ~$1,831/yr
• Lake County — zone 5, ~$1,779/yr
• Malheur County — zone 5, ~$1,776/yr
• Crook County — zone 5, ~$1,733/yr
• Hood River County — zone 5, ~$1,727/yr
• Sherman County — zone 5, ~$1,727/yr
• Wheeler County — zone 5, ~$1,727/yr
• Union County — zone 5, ~$1,716/yr
• Jefferson County — zone 5, ~$1,713/yr
• Gilliam County — zone 5, ~$1,711/yr
• Marion County — zone 4, ~$1,618/yr
• Wasco County — zone 5, ~$1,580/yr
• Columbia County — zone 4, ~$1,557/yr
• Benton County — zone 4, ~$1,538/yr
• Clackamas County — zone 4, ~$1,536/yr
• Morrow County — zone 5, ~$1,524/yr
• Linn County — zone 4, ~$1,500/yr
• Polk County — zone 4, ~$1,449/yr
• Umatilla County — zone 5, ~$1,448/yr
• Tillamook County — zone 4, ~$1,433/yr
• Washington County — zone 4, ~$1,400/yr
• Lincoln County — zone 4, ~$1,352/yr
• Clatsop County — zone 4, ~$1,301/yr
• Jackson County — zone 4, ~$1,270/yr
• Yamhill County — zone 4, ~$1,256/yr
• Lane County — zone 4, ~$1,243/yr
• Josephine County — zone 4, ~$1,239/yr
• Douglas County — zone 4, ~$1,193/yr
• Multnomah County — zone 4, ~$1,180/yr
• Coos County — zone 4, ~$1,159/yr
• Curry County — zone 4, ~$1,079/yr