Pennsylvania: Attic Insulation Payback by County

Pennsylvania: 66 counties covered

Pennsylvania spans DOE climate zones 4, 5, 6. Across its 66 counties tracked here, an uninsulated attic saves an estimated $1,724/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.

• Sullivan County — zone 5, ~$2,061/yr
• Susquehanna County — zone 6, ~$2,055/yr
• Potter County — zone 6, ~$2,054/yr
• Warren County — zone 5, ~$2,050/yr
• Tioga County — zone 6, ~$2,022/yr
• Monroe County — zone 5, ~$1,984/yr
• McKean County — zone 6, ~$1,977/yr
• Pike County — zone 5, ~$1,949/yr
• Luzerne County — zone 5, ~$1,934/yr
• Cambria County — zone 5, ~$1,909/yr
• Somerset County — zone 5, ~$1,869/yr
• Clarion County — zone 5, ~$1,866/yr
• Elk County — zone 6, ~$1,865/yr
• Columbia County — zone 5, ~$1,857/yr
• Jefferson County — zone 5, ~$1,851/yr
• Schuylkill County — zone 5, ~$1,842/yr
• Cameron County — zone 6, ~$1,836/yr
• Crawford County — zone 5, ~$1,808/yr
• Butler County — zone 5, ~$1,804/yr
• Mercer County — zone 5, ~$1,798/yr
• Bradford County — zone 5, ~$1,796/yr
• Venango County — zone 5, ~$1,796/yr
• Clearfield County — zone 6, ~$1,788/yr
• Armstrong County — zone 5, ~$1,755/yr
• Forest County — zone 5, ~$1,747/yr
• Clinton County — zone 5, ~$1,746/yr
• Indiana County — zone 5, ~$1,728/yr
• Centre County — zone 5, ~$1,724/yr
• Montour County — zone 5, ~$1,718/yr
• Northumberland County — zone 5, ~$1,713/yr
• Snyder County — zone 5, ~$1,709/yr
• Carbon County — zone 5, ~$1,705/yr
• Erie County — zone 5, ~$1,700/yr
• Bedford County — zone 5, ~$1,690/yr
• Blair County — zone 5, ~$1,681/yr
• Lawrence County — zone 5, ~$1,676/yr
• Dauphin County — zone 5, ~$1,670/yr
• Lackawanna County — zone 5, ~$1,662/yr
• Wyoming County — zone 5, ~$1,662/yr
• Lycoming County — zone 5, ~$1,660/yr
• Westmoreland County — zone 5, ~$1,660/yr
• Beaver County — zone 5, ~$1,656/yr
• Greene County — zone 5, ~$1,644/yr
• Washington County — zone 5, ~$1,640/yr
• Union County — zone 5, ~$1,630/yr
• Fulton County — zone 5, ~$1,623/yr
• Juniata County — zone 5, ~$1,623/yr
• Mifflin County — zone 5, ~$1,623/yr
• Huntingdon County — zone 5, ~$1,621/yr
• Cumberland County — zone 5, ~$1,619/yr
• Northampton County — zone 5, ~$1,611/yr
• Montgomery County — zone 4, ~$1,609/yr
• Perry County — zone 5, ~$1,606/yr
• Lebanon County — zone 5, ~$1,596/yr
• Fayette County — zone 5, ~$1,584/yr
• Allegheny County — zone 5, ~$1,583/yr
• Chester County — zone 4, ~$1,573/yr
• Lehigh County — zone 5, ~$1,573/yr
• Franklin County — zone 5, ~$1,566/yr
• Adams County — zone 5, ~$1,551/yr
• Lancaster County — zone 5, ~$1,537/yr
• Berks County — zone 5, ~$1,535/yr
• Bucks County — zone 4, ~$1,534/yr
• York County — zone 4, ~$1,506/yr
• Philadelphia County — zone 4, ~$1,384/yr
• Delaware County — zone 4, ~$1,381/yr