Clinch County, GA Insulation Payback
Clinch County attic insulation, by the numbers
Clinch County, Georgia is zone 2 under DOE's climate map (Hot-Humid), which means humid heat for much of the year, with cooling running far more than heating ever does. An uninsulated attic there should be built 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 3.3 years at an estimated $856/year saved. Topping up the attic pays for itself here.
Where the savings come from
Split it out and it's roughly $490 a year on the heating side, $366 on cooling. By estimated insulation savings, Clinch County lands in the 7th percentile nationally. Zone 2 alone covers 233 counties in this dataset, and Clinch County comes in 102nd by savings. Georgia averages $974/year across the counties tracked here; Clinch County comes in 12% lower.
The climate data behind this
Clinch County's climate figures — 1,847 heating and 2,299 cooling degree days a year — are read from HOMERVILLE 5 N, GA US, 12.4 miles away, NOAA's nearest 1991-2020 normals station. By total degree days, Clinch County sits at the 4th percentile nationally. One local detail the R-value alone won't tell you: Clinch County sits in moisture regime A (humid), which can affect the vapor-barrier choice.
Already have some insulation?
A shallower starting point changes the math: with R-11 already down, only the gap to R-38 needs filling, at roughly $1,620 for an estimated $115/year saved (~14-year payback). Call this borderline rather than a clear win.
Next steps for a Clinch County attic
Get more than one quote before committing. Attic access and any needed air sealing move the price around, and most contractors won't take a job below roughly $600 regardless of size - worth asking upfront given Clinch County's estimated $856/year on the line.
Where these figures come from
Clinch County's R-49 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-49 is the target here specifically.