Dawes County, NE Insulation Payback
Dawes County attic insulation, by the numbers
DOE classifies Dawes County as climate zone 5, cold — a real winter that drives most of the annual energy bill here. Its recommended attic R-value for bare joists is 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 $1,966 a year — payback in roughly 1.8 years. Topping up the attic pays for itself fast here.
The breakdown behind the number
Split it out and it's roughly $1,846 a year on the heating side, $120 on cooling. By estimated insulation savings, Dawes County lands in the 80th percentile nationally. Zone 5 alone covers 745 counties in this dataset, and Dawes County comes in 78th by savings. Nebraska averages $1,872/year across the counties tracked here; Dawes County comes in 5% higher.
Where these numbers come from
NOAA's CHADRON 3SW, NE US station, 7.8 miles from Dawes County, supplies the 6,905 HDD and 746 CDD this estimate runs on. By total degree days, Dawes County sits at the 81th percentile nationally. One local detail the R-value alone won't tell you: Dawes County sits in moisture regime A (humid), which can affect the vapor-barrier choice.
If the attic isn't bare
Already have a few inches up there? Topping R-11 up to R-49 runs about $2,280 for about $287/year saved — roughly 8 years to break even. Worth doing on the numbers alone.
Getting it done in Dawes 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 Dawes County job, not a quote. Expect at least a $600 minimum charge from most contractors.
Where these figures come from
Dawes 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.