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Insulation in Columbia, SC

Compare 3 local insulation pros. Typical service: $1110–$2141.

Top Insulation Companies in Columbia

  1. 1.Lucas Insulation

    5.0★ (7 reviews)

    5.0★ from 7 reviews

    +18039512378Website

  2. 2.Unitherm Inc

    4.3★ (4 reviews)

    4.3★ from 4 reviews

    +18037761352

  3. 3.Performance Contracting Inc

    +18037323911Website

Insulation Cost in Columbia

Local ranges, adjusted for area wage and cost-of-living data.

ServiceTypical range in Columbia
Attic blown-in insulation$1,110–$2,141/job
Attic spray foam$2,379–$4,758/job

Insulation prices in Columbia run about 21% 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 3 companies serving Columbia, rated 4.7★ on average across 11 customer reviews.

Columbia Climate & Seasonal Timing

What Columbia's weather means for scheduling insulation.

Last spring frost
March 23
First fall frost
November 15
Annual precipitation
44.87"
Heating degree days
2,658
Cooling degree days
2,025
MonthLowHighPrecip
Jan33°54.7°3.95"
Feb36.1°59.1°3.65"
Mar42.6°66.7°4.03"
Apr50.4°75.1°2.96"
May59.3°82.5°2.91"
Jun67.4°88.8°4.11"
Jul70.9°91.8°4.9"
Aug69.7°90°4.85"
Sep63.2°84.4°3.96"
Oct52.3°75.3°3.02"
Nov43.4°66.7°3.09"
Dec35.6°57.4°3.44"

NOAA station data 6.62 miles from Columbia.

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 Columbia

How much does attic insulation cost in Columbia?

Blown-in attic insulation in Columbia typically runs $1110-$2141 for a 1,000 square foot attic; spray foam costs two to three times more.

How many insulation contractors serve Columbia?

We track 3 insulation contractors serving Columbia.

Is insulation in Columbia more expensive than average?

Installation labor in Columbia runs about -20.7% versus the national average.

How much insulation does a home in Columbia need?

Columbia sees about 2,658 heating degree days and 2,025 cooling degree days a year; the colder the climate, the higher the attic R-value worth paying for.

Does insulation help with Columbia summers?

Yes -- with summer highs near 92F in Columbia, 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 Columbia rarely needs a permit.

Is spray foam worth it in Columbia?

Spray foam earns its price mainly when ducts or an air handler sit in the attic; otherwise blown-in at $1110-$2141 gets most Columbia homes the same R-value for less.

How many quotes should I get for insulation in Columbia?

Two or three; with 3 insulation contractors serving Columbia, compare the R-value and depth each quote installs, not just the price.