Conway County, AR Insulation Payback
Attic insulation payback for Conway County, AR
Conway County sits in IECC climate zone 3 (Mixed-Humid) — heating load in winter and cooling load in summer, both worth taking seriously here. For a currently uninsulated attic, DOE and ENERGY STAR recommend building up to R-49. Going from R-2 to the recommended R-49 costs roughly $2,820 installed for a typical attic (about 1,000 sq ft), and pays for itself in about 2.3 years at an estimated $1,203/year saved. Hard to find a home improvement with a faster payback than this.
Heating vs. cooling in Conway County
Of that, about $891/year comes from reduced heating and $312/year from reduced cooling load through the ceiling. Conway County beats 32% of the counties in this 3,162-county dataset on estimated insulation savings. Among the 690 counties DOE places in zone 3, Conway County ranks 90th. Against Arkansas's own average of $1,185/year, Conway County runs 2% above that.
Where these numbers come from
NOAA's MORRILTON, AR US station, 8.6 miles from Conway County, supplies the 3,359 HDD and 1,955 CDD this estimate runs on. Combined heating and cooling load puts Conway County in the 35th percentile of this 3,162-county dataset. DOE also classifies Conway County as moisture regime A (humid) - ask a local contractor whether that changes the vapor-barrier approach for this job.
Already have some insulation?
If Conway County's attic already has 3-4 inches of old insulation (about R-11) rather than bare joists, the recommended target drops to R-38. That smaller top-up costs around $1,620 and saves an estimated $162/year — payback about 10 years. 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 $2,820 figure above as a planning number for Conway 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.