Orange County, VT Insulation Payback
Attic insulation payback for Orange County, VT
DOE classifies Orange County as climate zone 6, cold — a real winter that drives most of the annual energy bill here. Its recommended attic R-value for bare joists is R-60. Going from R-2 to the recommended R-60 costs roughly $3,480 installed for a typical attic (about 1,000 sq ft), and pays for itself in about 1.5 years at an estimated $2,355/year saved. Hard to find a home improvement with a faster payback than this.
Where the savings come from
Of that, about $2,330/year comes from reduced heating and $25/year from reduced cooling load through the ceiling. Orange County beats 95% of the counties in this 3,162-county dataset on estimated insulation savings. Among the 459 counties DOE places in zone 6, Orange County ranks 59th. Against Vermont's own average of $2,179/year, Orange County runs 8% above that.
Where these numbers come from
Orange County's climate figures — 8,714 heating and 157 cooling degree days a year — are read from CORINTH, VT US, 2.5 miles away, NOAA's nearest 1991-2020 normals station. By total degree days, Orange County sits at the 94th percentile nationally. DOE also classifies Orange 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
A shallower starting point changes the math: with R-11 already down, only the gap to R-49 needs filling, at roughly $2,280 for an estimated $344/year saved (~6.6-year payback). Topping up the attic pays for itself here.
Getting it done in Orange County
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 Orange 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.