Top Insulation Companies in Greenville
3.HydroHelp911 Crawl Space & Foundation Repair
4.9★ (16 reviews)
4.9★ from 16 reviews
4.Airnest insulation
5.SprayTech Spray Foam
Insulation Cost in Greenville
Local ranges, adjusted for area wage and cost-of-living data.
| Service | Typical range in Greenville |
|---|---|
| Attic blown-in insulation | $1,158–$2,233/job |
| Attic spray foam | $2,481–$4,962/job |
Insulation prices in Greenville run about 17% below the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.
Quotes on this page come from 5 companies serving Greenville, rated 4.9★ on average across 90 customer reviews.
Greenville Climate & Seasonal Timing
What Greenville's weather means for scheduling insulation.
- Last spring frost
- March 28
- First fall frost
- November 10
- Annual precipitation
- 50.77"
- Heating degree days
- 3,287
- Cooling degree days
- 1,643
| Month | Low | High | Precip |
|---|---|---|---|
| Jan | 31.2° | 49.9° | 4.11" |
| Feb | 33.7° | 53.1° | 4.01" |
| Mar | 39.8° | 61.6° | 4.61" |
| Apr | 48.5° | 71.7° | 3.61" |
| May | 57.9° | 79.1° | 3.79" |
| Jun | 67° | 85.6° | 4.62" |
| Jul | 70.4° | 88.8° | 4.9" |
| Aug | 69.4° | 87.9° | 4.66" |
| Sep | 61.8° | 81.1° | 4.32" |
| Oct | 50.7° | 71.4° | 3.78" |
| Nov | 41.7° | 61.7° | 4.15" |
| Dec | 34° | 51.7° | 4.21" |
NOAA station data 1.1 miles from Greenville.
Permits & Regulations in SC
- Residential painting and other specialty work over $500 in South Carolina requires Residential Builders Commission registration
- Larger remodeling is licensed as residential building
- Work that disturbs paint in homes built before 1978 must be done by a Lead-Safe Certified firm under the EPA Renovation, Repair and Painting Rule
License required: SC Residential Specialty Contractor registration (work over $500)
Sources: llr.sc.gov, www.epa.gov
Insulation FAQs for Greenville
How much does attic insulation cost in Greenville?
Blown-in attic insulation in Greenville typically runs $1158-$2233 for a 1,000 square foot attic; spray foam costs two to three times more.
How many insulation contractors serve Greenville?
We track 5 insulation contractors serving Greenville.
Is insulation in Greenville more expensive than average?
Installation labor in Greenville runs about -17.3% versus the national average.
How much insulation does a home in Greenville need?
Greenville sees about 3,287 heating degree days and 1,643 cooling degree days a year; the colder the climate, the higher the attic R-value worth paying for.
Does insulation help with Greenville summers?
Yes -- with summer highs near 89F in Greenville, attic insulation cuts the heat load on the air conditioner as much as it holds heat in winter.
Do insulation contractors in SC need a license?
In SC, Residential painting and other specialty work over $500 in South Carolina requires Residential Builders Commission registration. Adding attic insulation in Greenville rarely needs a permit.
Is spray foam worth it in Greenville?
Spray foam earns its price mainly when ducts or an air handler sit in the attic; otherwise blown-in at $1158-$2233 gets most Greenville homes the same R-value for less.
How many quotes should I get for insulation in Greenville?
Two or three; with 5 insulation contractors serving Greenville, compare the R-value and depth each quote installs, not just the price.
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