Utah County, UT Insulation Payback
Utah County, UT: what topping up your attic actually costs
Utah County, Utah is zone 5 under DOE's climate map (Cold), which means a real winter that drives most of the annual energy bill here. 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 $1,611 a year — payback in roughly 2.2 years. That's about as fast as attic paybacks get.
The breakdown behind the number
The estimated savings split roughly $1,448/year heating, $163/year cooling. Out of every 100 US counties tracked here, Utah County's savings potential beats roughly 60 of them. Within zone 5 specifically, it ranks 632nd of 745 counties by estimated savings. Utah averages $1,791/year across the counties tracked here; Utah County comes in 10% lower.
Where these numbers come from
Utah County's climate figures — 5,415 heating and 1,013 cooling degree days a year — are read from SPANISH FK PWR HOUSE, UT US, 4.4 miles away, NOAA's nearest 1991-2020 normals station. That combined heating-and-cooling load ranks Utah County 1254th nationally by total degree days — the 60th percentile. Utah County falls in DOE's moisture regime B (dry), a detail that affects vapor-barrier recommendations more than the R-value target itself.
Already have some insulation?
Already have a few inches up there? Topping R-11 up to R-49 runs about $2,280 for about $235/year saved — roughly 9.7 years to break even. This one is a genuine toss-up, not a clear yes.
Next steps for a Utah County attic
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 Utah County job, not a quote. Expect at least a $600 minimum charge from most contractors.
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-60 is the target here specifically.