Hayes County, NE Insulation Payback
Hayes County, NE: what topping up your attic actually costs
Hayes County, Nebraska is zone 5 under DOE's climate map (Cold), which means a real winter that drives most of the annual energy bill here. An uninsulated attic there should be built up to R-60. For an attic around 1,000 square feet, closing the gap from R-2 to R-60 costs around $3,480 and saves an estimated $1,808 a year — payback in roughly 1.9 years.
That's about as fast as attic paybacks get.
The breakdown behind the number
The estimated savings split roughly $1,667/year heating, $140/year cooling. Out of every 100 US counties tracked here, Hayes County's savings potential beats roughly 73 of them. Within zone 5 specifically, it ranks 278th of 754 counties by estimated savings. Nebraska averages $1,872/year across the counties tracked here; Hayes County comes in 3% lower.
The climate data behind this
The heating and cooling degree days behind this estimate — 6,236 HDD and 874 CDD (base 65°F, 1991-2020 normals) — come from Hayes Center 1NW, NE US, the nearest NOAA station with published normals, 1.2 miles from Hayes County's center. That combined heating-and-cooling load ranks Hayes County 837th nationally by total degree days — the 74th percentile. Hayes County falls in DOE's moisture regime A (humid), a detail that affects vapor-barrier recommendations more than the R-value target itself.
If the attic isn't bare
A shallower starting point changes the math: with R-11 already down, only the gap to R-49 needs filling, at roughly $2,280 for an estimated $264/year saved (~8.6-year payback). This one is a genuine toss-up, not a clear yes.
Getting it done in Hayes 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 Hayes County job, not a quote. You should get more than one quote before signing anything - expect at least a $600 minimum charge from most contractors.
Nothing here is a guess
Every figure on this page traces to DOE/IECC climate zones and NOAA degree-day normals, documented in the methodology guide. The guide to what R-value actually means explains why R-60 is the target here specifically.