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Unitherm IncInsulation contractor in Columbia, SC

Unitherm Inc is an insulation contractor at 1256 1st St S, Columbia, SC 29209, ranked #14 of 29 insulation contractors in Columbia and rated 4.3 from 4 Google reviews.

Columbia, SCUpdated 0 paid placements in any rankingHow we rank

Call (803) 776-1352Website ↗

Key facts

Key facts about Unitherm Inc
Address1256 1st St S, Columbia, SC 29209Get directions
Phone(803) 776-1352
Websiteunitherm1.com
Google rating4.3 from 4 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves Columbia and 11 towns within 25 miles: Forest Acres, Cayce, West Columbia, Dentsville, Woodfield, Oak Grove, Saint Andrews, Seven Oaks, Red Bank, Lexington and Irmo.

Based in Columbia, SCView on map

Typical insulation prices

Typical insulation prices
JobLowTypicalHigh
Attic insulationPer attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range$1,700$2,100$2,500

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby insulation contractors

Unitherm Inc compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Unitherm Inc (this business)—544.3 (4)———
Lucas Insulation#12555.0 (6)———4.5 mi
31-W Insulation#13554.9 (7)—YesNo0.5 mi
Foam Improvement#15545.0 (11)—NoNo8.5 mi

See all 29 ranked insulation contractors in Columbia

Reviews

ContractorsRanked reviews

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Google

4.3from 4 Google reviews

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Questions about Unitherm Inc

How is Unitherm Inc ranked in Columbia?

Unitherm Inc is ranked #14 of 29 insulation contractors in Columbia by CR Score, with 54 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What areas does Unitherm Inc serve?

Serves Columbia and 11 towns within 25 miles: Forest Acres, Cayce, West Columbia, Dentsville, Woodfield, Oak Grove, Saint Andrews, Seven Oaks, Red Bank, Lexington and Irmo. The list is based on the business's location and the usual service radius for insulation. Confirm your address is covered when you call.

What do Google reviews say about Unitherm Inc?

Unitherm Inc has a rating of 4.3 from 4 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Unitherm Inc?

Call Unitherm Inc on (803) 776-1352. The business is at 1256 1st St S, Columbia, SC 29209. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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