Sawyer County, WI Insulation Payback
Sawyer County attic insulation, by the numbers
DOE classifies Sawyer County as climate zone 7, very cold — severe, long winters where heating is nearly the whole story. Its recommended attic R-value for bare joists is R-60. Topping up a typical 1,000-square-foot attic from bare joists (R-2) to R-60 runs an estimated $3,480, and saves about $2,448 a year in heating and cooling — a payback around 1.4 years. Topping up the attic pays for itself fast here.
The breakdown behind the number
Split it out and it's roughly $2,406 a year on the heating side, $42 on cooling. By estimated insulation savings, Sawyer County lands in the 97th percentile nationally. Zone 7 alone covers 120 counties in this dataset, and Sawyer County comes in 79th by savings. Wisconsin averages $2,200/year across the counties tracked here; Sawyer County comes in 11% higher.
The climate data behind this
NOAA's WINTER, WI US station, 8.6 miles from Sawyer County, supplies the 8,997 HDD and 263 CDD this estimate runs on. That combined heating-and-cooling load ranks Sawyer County 111th nationally by total degree days — the 97th percentile.
Already have some insulation?
If Sawyer County's attic already has 3-4 inches of old insulation (about R-11) rather than bare joists, the recommended target drops to R-49. That smaller top-up costs around $2,280 and saves an estimated $357/year — payback about 6.4 years. Worth doing on the numbers alone.
Getting it done in Sawyer County
Real bids depend on how easy the attic is to reach and whether old insulation needs removing first, so treat $3,480 as a starting estimate for a Sawyer County job, not a quote. Expect at least a $600 minimum charge from most contractors.
Where these figures come from
Sawyer County's R-60 target and its degree-day figures both come from named federal sources - see the methodology guide for exactly which ones. The guide to what R-value actually means explains why R-60 is the target here specifically.