Monroe County, WI Insulation Payback
Attic insulation payback for Monroe County, WI
Monroe County sits in IECC climate zone 6 (Cold) — cold enough that heating, not cooling, is what decides the bill. For a currently uninsulated attic, DOE and ENERGY STAR recommend building up to 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 $2,208 a year in heating and cooling — a payback around 1.6 years. Hard to find a home improvement with a faster payback than this.
Heating vs. cooling in Monroe County
Of that, about $2,122/year comes from reduced heating and $86/year from reduced cooling load through the ceiling. Monroe County beats 90% of the counties in this 3,162-county dataset on estimated insulation savings. Among the 459 counties DOE places in zone 6, Monroe County ranks 176th. Against Wisconsin's own average of $2,200/year, Monroe County runs 0% above that.
The climate data behind this
The heating and cooling degree days behind this estimate — 7,935 HDD and 536 CDD (base 65°F, 1991-2020 normals) — come from SPARTA, WI US, the nearest NOAA station with published normals, 9.8 miles from Monroe County's center. That combined heating-and-cooling load ranks Monroe County 300th nationally by total degree days — the 91th percentile. DOE also classifies Monroe County as moisture regime A (humid) - ask a local contractor whether that changes the vapor-barrier approach for this job.
Already have some insulation?
Already have a few inches up there? Topping R-11 up to R-49 runs about $2,280 for about $322/year saved — roughly 7.1 years to break even. Topping up the attic pays for itself here.
Getting it done in Monroe 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 Monroe County job, not a quote. Expect at least a $600 minimum charge from most contractors.
More on how this was built
Nothing here is a guess: the methodology guide names the DOE climate map and NOAA station data behind every number on this page. See the DIY vs. contractor guide for whether a job this size is realistic to do yourself.