Prowers County, CO Insulation Payback
Attic insulation payback for Prowers County, CO
Prowers County sits in IECC climate zone 5 (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 $1,647 a year in heating and cooling — a payback around 2.1 years. Hard to find a home improvement with a faster payback than this.
Heating vs. cooling in Prowers County
Of that, about $1,454/year comes from reduced heating and $193/year from reduced cooling load through the ceiling. Prowers County beats 63% of the counties in this 3,162-county dataset on estimated insulation savings. Among the 745 counties DOE places in zone 5, Prowers County ranks 575th. Against Colorado's own average of $2,043/year, Prowers County runs 19% below that.
Prowers County's actual weather, not a national average
NOAA's HOLLY, CO US station, 15.6 miles from Prowers County, supplies the 5,439 HDD and 1,199 CDD this estimate runs on. By total degree days, Prowers County sits at the 64th percentile nationally. DOE also classifies Prowers County as moisture regime B (dry) - 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 $240/year saved — roughly 9.5 years to break even. It is close - the payback only just fits a reasonable timeframe.
Quotes and materials for this job
Actual quotes will vary by attic access, existing debris, and whether the job needs air sealing first. Treat the $3,480 figure above as a planning number for Prowers County, not a bid - contractors typically charge a $600 minimum regardless of job size.
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.