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ContractorsRanked

Best Insulation Contractors in Irmo, SC (2026)

24 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Irmo: Vinx Pest Control, CR Score 93/100; 4.7★ from 418 Google reviews; open 24/7.

  2. 3

    Best for emergencies (open 24/7): Southern Industries Home Improvements, posts 24/7 hours; ranked #3 of 24.

  3. 3

    Most-reviewed: Southern Industries Home Improvements, 562 Google reviews at 4.6★, the most of 24 ranked; ranked #3.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

24 Irmo insulation contractors are ranked here by CR Score, from 8 published factors. 5 are open 24/7, 12 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.8★ across 24 rated businesses.

Most of this list also appears on the Insulation contractors in Columbia ranking. See Insulation contractors in Columbia

Top 10 insulation contractors in Irmo at a glance

Top 10 insulation contractors in Irmo at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Vinx Pest Control934.7★ (418)Columbia, 5 mi away24/7Overall
2Chapin Insulation: Spray Foam & Fiberglass874.9★ (60)Columbia, 3 mi awaySat · Sun · Evenings—
3Southern Industries Home Improvements864.6★ (562)Columbia, 3 mi away24/7Emergencies, Most reviews
4Vapor-X Crawlspaces855.0★ (76)Irmo24/7—
5Crawl Space Brothers854.8★ (23)Columbia, 12 mi away24/7—
6SWAT Heating and Air845.0★ (236)Lexington, 15 mi away24/7—
7Synergy Spray Foam & Air Conditioning834.8★ (85)Woodfield, 4 mi awaySat—
8Dragon Insulation814.9★ (86)Columbia, 14 mi awaySat—
9Lucas Insulation785.0★ (6)Columbia, 11 mi away——
10Home Solutions of South Carolina785.0★ (6)Red Bank, 14 mi awaySat · Sun—

The 24 best insulation contractors in Irmo, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

  1. Ranked #1 in Irmo

    #1 Vinx Pest Control

    Based in Columbia, 5 mi away

    93/100CR Score

    Ranked #1 because of its Google rating and availability: 4.7★ from 418 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.7★ from 418 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1410 St Andrews Rd Ste 230, Columbia, SC 29210
    View profile for Vinx Pest Control(803) 925-8600

  5. #5 Crawl Space Brothers

    Based in Columbia, 12 mi away

    85/100CR Score

    Ranked #5 because of its Google rating and availability: 4.8★ from 23 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.8★ from 23 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1700 Alta Vista Dr #120, Columbia, SC 29223
    View profile for Crawl Space Brothers(803) 929-7156

  6. #6 SWAT Heating and Air

    Based in Lexington, 15 mi away

    84/100CR Score

    Ranked #6 because of its Google rating and availability: 5.0★ from 236 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 236 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6578 Platt Springs Rd, Lexington, SC 29073
    View profile for SWAT Heating and Air(803) 606-5045

  8. #8 Dragon Insulation

    Based in Columbia, 14 mi away

    81/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.9★ from 86 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 86 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 9 AM–4 PM · Sun closed
    View profile for Dragon Insulation(803) 991-7443

  9. #9 Lucas Insulation

    Based in Columbia, 11 mi away

    78/100CR Score

    Ranked #9 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 5.0★ from 6 Google reviews
    Address
    Columbia, SC 29201
    View profile for Lucas Insulation(803) 951-2378

  11. #11 Unitherm Inc

    Based in Columbia, 15 mi away

    75/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.3★ from 4 Google reviews, listed on Google as “Insulation contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 4.3★ from 4 Google reviews
    Address
    1256 1st St S, Columbia, SC 29209
    View profile for Unitherm Inc(803) 776-1352

  12. #12 31-W Insulation

    Based in Columbia, 16 mi away

    75/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.9★ from 7 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 7 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat 7 AM–12 PM · Sun closed
    Address
    120 Sparkman Dr, Columbia, SC 29209
    View profile for 31-W Insulation(803) 776-3111

  13. #13 GTG, Inc.

    Based in Columbia, 8 mi away

    74/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.3★ from 54 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.3★ from 54 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    112 Sunbelt Blvd, Columbia, SC 29203
    View profile for GTG, Inc.(803) 754-6992

  14. #14 Foam Improvement

    Based in Cayce, 7 mi away

    74/100CR Score

    Ranked #14 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 11 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    View profile for Foam Improvement(803) 600-4252

  15. #15 S&W

    Based in Columbia, 16 mi away

    74/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.1★ from 15 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.1★ from 15 Google reviews
    Hours
    Mon–Sat 9 AM–5 PM · Sun closed
    Address
    7201 Holloway Rd, Columbia, SC 29209
    View profile for S&W(803) 866-7900

  17. #17 Spray Foam Genie Columbia

    Based in Irmo

    73/100CR Score

    Ranked #17 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 3.7★ from 3 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    140 Dutchman Blvd Suite A, Irmo, SC 29063
    View profile for Spray Foam Genie Columbia(803) 723-2040

  18. #18 Sparling/Gale Insulation &Spec

    Based in Columbia, 8 mi away

    72/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.4★ from 9 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.4★ from 9 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    1 Sunbelt Ct Suite B, Columbia, SC 29203
    View profile for Sparling/Gale Insulation &Spec(803) 796-8660

  19. #19 Poly Energy

    Based in Columbia, 1 mi away

    71/100CR Score

    Ranked #19 because of its Google rating and review volume: 4.3★ from 133 Google reviews, 133 Google reviews.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.3★ from 133 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    1682 Lake Murray Blvd, Columbia, SC 29212
    View profile for Poly Energy(855) 497-6527

  21. #21 American Insulation Co

    Based in Columbia, 17 mi away

    70/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.3★ from 6 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun closed
    Address
    10120 Two Notch Rd, Columbia, SC 29223
    View profile for American Insulation Co(803) 788-8349

  22. #22 Insulation by Cohen's

    Based in Columbia, 16 mi away

    69/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.6★ from 5 Google reviews, listed on Google as “Insulation contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.6★ from 5 Google reviews
    Hours
    Mon–Fri 8:30 AM–4:30 PM · Sat–Sun closed
    Address
    1300 Basil Rd, Columbia, SC 29209
    View profile for Insulation by Cohen's(803) 730-5953

  23. #23 Carolina Ceilings

    Based in Columbia, 13 mi away

    66/100CR Score

    Ranked #23 because of its Google rating and review volume: 5.0★ from 23 Google reviews, 23 Google reviews.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 23 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1101Marthan rd, Blythewood, SC 29016
    View profile for Carolina Ceilings(803) 600-0358

  24. #24 Coleman Floor Company

    Based in West Columbia, 14 mi away

    66/100CR Score

    Ranked #24 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Masonry contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 3.0★ from 4 Google reviews
    Address
    302 Little Brooke Ln, West Columbia, SC 29172
    View profile for Coleman Floor Company(803) 760-7942

How much do insulation contractors cost in Irmo?

National price ranges in USD, not adjusted for Irmo. Each row names its basis and the month we checked it.

How much do insulation contractors cost in Irmo?
JobLowTypicalHighBasisChecked
Attic insulation$1,700$2,100$2,500Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national rangeOctober 2026

How we ranked Irmo insulation contractors

We scored 24 Irmo insulation contractors on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Irmo data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Insulation contractors in Irmo: frequently asked questions

Who is the best insulation contractor in Irmo?

By CR Score, the highest-ranked insulation contractor in Irmo, SC is Vinx Pest Control with a CR Score of 93/100. It has 4.7★ from 418 Google reviews. It is open 24/7. Chapin Insulation: Spray Foam & Fiberglass (#2) and Southern Industries Home Improvements (#3) follow. We ranked 24 insulation contractors on 8 factors, last updated October 22, 2026.

How many insulation contractors are there in Irmo?

ContractorsRanked ranks 24 insulation contractors serving Irmo, SC. 2 of them are based in Irmo; the rest serve it from nearby towns. Counts are as of October 2026.

Which insulation contractors in Irmo are open 24/7?

5 ranked insulation contractors in Irmo post 24/7 hours. The highest-ranked are Vinx Pest Control (#1), Southern Industries Home Improvements (#3) and Vapor-X Crawlspaces (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which insulation contractors in Irmo work on weekends?

12 of 24 ranked insulation contractors post Saturday hours and 8 post Sunday hours. The highest-ranked open Saturdays are Vinx Pest Control (#1), Chapin Insulation: Spray Foam & Fiberglass (#2) and Southern Industries Home Improvements (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does attic insulation cost in Irmo?

Attic insulation typically costs $1,700 to $2,500, with $2,100 typical (Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range). This is a national range, not adjusted for Irmo. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Irmo insulation contractors have?

The median Google rating among 24 rated insulation contractors in Irmo is 4.8★, with a median of 19 reviews. Southern Industries Home Improvements has the most, 562 reviews, and ranks #3. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank insulation contractors?

Each insulation contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do insulation contractors outside Irmo count in this ranking?

Yes, if they are within 25 mi of the Irmo city center, our service radius for insulation contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Update log for Irmo

  1. October 2026: CR Scores recalculated for 24 insulation contractors serving Irmo.

More insulation contractors and Irmo pages

Other trades in Irmo