Menard County, TX Insulation Payback
Menard County, TX: what topping up your attic actually costs
Menard County sits in IECC climate zone 3 (Hot-Dry) — scorching, dry summers where heat radiating straight through the roof does most of the damage. 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 2.8 years at an estimated $1,025/year saved. That's about as fast as attic paybacks get.
The breakdown behind the number
The estimated savings split roughly $685/year heating, $341/year cooling. Out of every 100 US counties tracked here, Menard County's savings potential beats roughly 18 of them. Within zone 3 specifically, it ranks 425th of 690 counties by estimated savings. Texas averages $1,035/year across the counties tracked here; Menard County comes in 1% lower.
The climate data behind this
Menard County's climate figures — 2,581 heating and 2,137 cooling degree days a year — are read from MENARD, TX US, 4.5 miles away, NOAA's nearest 1991-2020 normals station. That combined heating-and-cooling load ranks Menard County 2610th nationally by total degree days — the 17th percentile. Menard County falls in DOE's moisture regime B (dry), a detail that affects vapor-barrier recommendations more than the R-value target itself.
If the attic isn't bare
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 $138/year saved (~11.7-year payback). This one is a genuine toss-up, not a clear yes.
Next steps for a Menard 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 Menard County's estimated $1,025/year on the line.
Nothing here is a guess
Every figure on this page traces to DOE/IECC climate zones and NOAA degree-day normals, documented in the methodology guide. The guide to what R-value actually means explains why R-49 is the target here specifically.