Brooks County, TX Insulation Payback
Attic insulation payback for Brooks County, TX
Brooks County, Texas 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 $848/year saved. Worth doing on the numbers alone.
Where the savings come from
Of that, about $265/year comes from reduced heating and $583/year from reduced cooling load through the ceiling. Brooks County beats 6% of the counties in this 3,162-county dataset on estimated insulation savings. Among the 233 counties DOE places in zone 2, Brooks County ranks 119th. Against Texas's own average of $1,035/year, Brooks County runs 18% below that.
Brooks County's actual weather, not a national average
NOAA's FALFURRIAS, TX US station, 9.1 miles from Brooks County, supplies the 999 HDD and 3,656 CDD this estimate runs on. That combined heating-and-cooling load ranks Brooks County 2676th nationally by total degree days — the 15th percentile. DOE also classifies Brooks County as moisture regime A (humid) - ask a local contractor whether that changes the vapor-barrier approach for this job.
If the attic isn't bare
Already have a few inches up there? Topping R-11 up to R-38 runs about $1,620 for about $114/year saved — roughly 14.2 years to break even. It is close - the payback only just fits a reasonable timeframe.
Next steps for a Brooks County attic
Real bids depend on how easy the attic is to reach and whether old insulation needs removing first, so treat $2,820 as a starting estimate for a Brooks 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.