Camas County, ID Insulation Payback
Attic insulation payback for Camas County, ID
Camas County sits in IECC climate zone 6 (Cold) — winters that dominate the energy bill, with cooling a minor factor. For a currently uninsulated attic, DOE and ENERGY STAR recommend building up to R-60. Going from R-2 to the recommended R-60 costs roughly $3,480 installed for a typical attic (about 1,000 sq ft), and pays for itself in about 1.5 years at an estimated $2,313/year saved. Hard to find a home improvement with a faster payback than this.
Where the savings come from
Of that, about $2,278/year comes from reduced heating and $35/year from reduced cooling load through the ceiling. Camas County beats 93% of the counties in this 3,162-county dataset on estimated insulation savings. Among the 459 counties DOE places in zone 6, Camas County ranks 90th. Against Idaho's own average of $1,995/year, Camas County runs 16% above that.
Where these numbers come from
NOAA's FAIRFIELD RS, ID US station, 11.1 miles from Camas County, supplies the 8,520 HDD and 216 CDD this estimate runs on. By total degree days, Camas County sits at the 93th percentile nationally. DOE also classifies Camas County as moisture regime B (dry) - ask a local contractor whether that changes the vapor-barrier approach for this job.
The smaller top-up scenario
Already have a few inches up there? Topping R-11 up to R-49 runs about $2,280 for about $337/year saved — roughly 6.8 years to break even. Topping up the attic pays for itself here.
Getting it done in Camas 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 Camas 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.