Madison County, OH Insulation Payback
Is attic insulation worth it in Madison County, OH?
Madison County, Ohio is zone 5 under DOE's climate map (Cold), which means winters that dominate the energy bill, with cooling a minor factor. An uninsulated attic there should be built up to R-60. For an attic around 1,000 square feet, closing the gap from R-2 to R-60 costs around $3,480 and saves an estimated $1,734 a year — payback in roughly 2 years. Few home upgrades pay back that quickly.
The breakdown behind the number
Heating accounts for about $1,615/year of that and cooling about $119/year — Madison County needs both. Nationally, Madison County ranks in the 68th percentile for insulation savings potential. Compared only against its own climate zone, Madison County places 418th out of 745. Against Ohio's own average of $1,669/year, Madison County runs 4% above that.
Madison County's actual weather, not a national average
The heating and cooling degree days behind this estimate — 6,040 HDD and 741 CDD (base 65°F, 1991-2020 normals) — come from LONDON FISH HATCHERY, OH US, the nearest NOAA station with published normals, 5.8 miles from Madison County's center. Combined heating and cooling load puts Madison County in the 67th percentile of this 3,162-county dataset. Its moisture regime is classified humid, which matters for whether the attic needs a vapor retarder as part of the job — worth asking a contractor about locally.
The smaller top-up scenario
Already have a few inches up there? Topping R-11 up to R-49 runs about $2,280 for about $253/year saved — roughly 9 years to break even. Whether that is worth it depends on how long you plan to stay.
Quotes and materials for this job
Real bids depend on how easy the attic is to reach and whether old insulation needs removing first, so treat $3,480 as a starting estimate for a Madison County job, not a quote. Expect at least a $600 minimum charge from most contractors.
Madison County's numbers, sourced
The methodology guide lists exactly which DOE and NOAA sources feed Madison County's numbers, and where the cost assumptions come from. See the DIY vs. contractor guide for whether a job this size is realistic to do yourself.