Morovis Municipio, PR Insulation Payback
Attic insulation payback for Morovis Municipio, PR
Morovis Municipio sits in IECC climate zone 1 (Hot-Humid) — summers that stay hot and humid while winters barely register on the energy bill. For a currently uninsulated attic, DOE and ENERGY STAR recommend building up to R-30. For an attic around 1,000 square feet, closing the gap from R-2 to R-30 costs around $1,680 and saves an estimated $706 a year — payback in roughly 2.4 years. Hard to find a home improvement with a faster payback than this.
Where the savings come from
Of that, about $0/year comes from reduced heating and $706/year from reduced cooling load through the ceiling. Morovis Municipio beats 2% of the counties in this 3,162-county dataset on estimated insulation savings. Among the 81 counties DOE places in zone 1, Morovis Municipio ranks 40th. Against Puerto Rico's own average of $660/year, Morovis Municipio runs 7% above that.
Where these numbers come from
NOAA's PALMAREJO VEGA BAJA, PR RQ station, 4.7 miles from Morovis Municipio, supplies the 0 HDD and 4,550 CDD this estimate runs on. Combined heating and cooling load puts Morovis Municipio in the 13th percentile of this 3,162-county dataset. DOE also classifies Morovis Municipio as moisture regime A (humid) - ask a local contractor whether that changes the vapor-barrier approach for this job.
The smaller top-up scenario
Already have a few inches up there? Topping R-11 up to R-25 runs about $840 for about $77/year saved — roughly 10.9 years to break even. It is close - the payback only just fits a reasonable timeframe.
Quotes and materials for this job
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 Morovis Municipio's estimated $706/year on the line.
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.