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Best Insulation Contractors in Lexington, SC (2026)

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

The short answer

  1. 1

    Best overall in Lexington: Vinx Pest Control, CR Score 64/100; 4.7★ from 418 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): SWAT Heating and Air, posts 24/7 hours; ranked #2 of 25.

  3. 5

    Most-reviewed: Southern Industries Home Improvements, 562 Google reviews at 4.6★, the most of 25 ranked; ranked #5.

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

25 Lexington insulation contractors are ranked here by CR Score, from ten published factors. 5 are open 24/7, 13 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.8★ across 25 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 Lexington at a glance

Top 10 insulation contractors in Lexington at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Vinx Pest Control644.7★ (418)Columbia, 9 mi away24/7Overall
2SWAT Heating and Air605.0★ (236)Lexington24/7Emergencies
3Chapin Insulation: Spray Foam & Fiberglass594.9★ (60)Columbia, 11 mi awaySat · Sun · Evenings—
4Dragon Insulation594.9★ (86)Columbia, 8 mi awaySat—
5Southern Industries Home Improvements584.6★ (562)Columbia, 7 mi away24/7Most reviews
6Synergy Spray Foam & Air Conditioning584.8★ (85)Woodfield, 6 mi awaySat—
7Crawl Space Brothers574.8★ (23)Columbia, 15 mi away24/7—
8Koala Insulation of the Midlands544.9★ (71)Columbia, 24 mi awaySat—
9Vapor-X Crawlspaces545.0★ (76)Irmo, 16 mi away24/7—
10Ecofoam Insulation and Coatings535.0★ (6)Lexington——

The 25 best insulation contractors in Lexington, ranked

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

  1. Ranked #1 in Lexington

    #1 Vinx Pest Control

    Based in Columbia, 9 mi away

    64/100CR Score

    Ranked #1 because of its Google rating and trade focus: 4.7★ from 418 Google reviews, listed on Google as “Insulation contractor”.

    Based on 8 of 10 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

  2. #2 SWAT Heating and Air

    Based in Lexington

    60/100CR Score

    Ranked #2 because of its Google rating and review volume: 5.0★ from 236 Google reviews.

    Based on 8 of 10 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

  4. #4 Dragon Insulation

    Based in Columbia, 8 mi away

    59/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 86 Google reviews, listed on Google as “Insulation contractor”.

    Based on 8 of 10 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

  7. #7 Crawl Space Brothers

    Based in Columbia, 15 mi away

    57/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.8★ from 23 Google reviews, listed on Google as “Insulation contractor”.

    Based on 8 of 10 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

  11. #11 GTG, Inc.

    Based in Columbia, 13 mi away

    53/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.3★ from 54 Google reviews, listed on Google as “Insulation contractor”.

    Based on 8 of 10 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

  12. #12 Lucas Insulation

    Based in Columbia, 11 mi away

    53/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.

    Based on 7 of 10 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

  14. #14 Foam Improvement

    Based in Cayce, 10 mi away

    52/100CR 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 8 of 10 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 31-W Insulation

    Based in Columbia, 16 mi away

    51/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.9★ from 7 Google reviews, listed on Google as “Insulation contractor”.

    Based on 8 of 10 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

  16. #16 S&W

    Based in Columbia, 17 mi away

    51/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.1★ from 15 Google reviews, listed on Google as “Insulation contractor”.

    Based on 8 of 10 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 Unitherm Inc

    Based in Columbia, 15 mi away

    50/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.3★ from 4 Google reviews, listed on Google as “Insulation contractor”.

    Based on 7 of 10 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

  18. #18 Sparling/Gale Insulation &Spec

    Based in Columbia, 12 mi away

    50/100CR 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 8 of 10 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 Spray Foam Genie Columbia

    Based in Irmo, 9 mi away

    49/100CR Score

    Ranked #19 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.

    Based on 8 of 10 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

  21. #21 Poly Energy

    Based in Columbia, 7 mi away

    49/100CR Score

    Ranked #21 because of its Google rating and review volume: 4.3★ from 133 Google reviews.

    Based on 8 of 10 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

  22. #22 Insulation by Cohen's

    Based in Columbia, 17 mi away

    48/100CR 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 8 of 10 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 American Insulation Co

    Based in Columbia, 22 mi away

    47/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Insulation contractor”.

    Based on 8 of 10 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

  24. #24 Carolina Ceilings

    Based in Columbia, 19 mi away

    45/100CR Score

    Ranked #24 because of its Google rating and review volume: 5.0★ from 23 Google reviews.

    Based on 8 of 10 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

  25. #25 Coleman Floor Company

    Based in West Columbia, 11 mi away

    44/100CR Score

    Ranked #25 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Masonry contractor”.

    Based on 7 of 10 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 Lexington?

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

How much do insulation contractors cost in Lexington?
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 Lexington insulation contractors

We scored 25 Lexington insulation contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Lexington data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Insulation contractors in Lexington: frequently asked questions

Who is the best insulation contractor in Lexington?

By CR Score, the highest-ranked insulation contractor in Lexington, SC is Vinx Pest Control with a CR Score of 64/100. It has 4.7★ from 418 Google reviews. It is open 24/7. SWAT Heating and Air (#2) and Chapin Insulation: Spray Foam & Fiberglass (#3) follow. We ranked 25 insulation contractors on ten factors, last updated October 22, 2026.

How many insulation contractors are there in Lexington?

ContractorsRanked ranks 25 insulation contractors serving Lexington, SC. 2 of them are based in Lexington; the rest serve it from nearby towns. Counts are as of October 2026.

Which insulation contractors in Lexington are open 24/7?

5 ranked insulation contractors in Lexington post 24/7 hours. The highest-ranked are Vinx Pest Control (#1), SWAT Heating and Air (#2) and Southern Industries Home Improvements (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which insulation contractors in Lexington work on weekends?

13 of 25 ranked insulation contractors post Saturday hours and 8 post Sunday hours. The highest-ranked open Saturdays are Vinx Pest Control (#1), SWAT Heating and Air (#2) and Chapin Insulation: Spray Foam & Fiberglass (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does attic insulation cost in Lexington?

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 Lexington. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Lexington insulation contractors have?

The median Google rating among 25 rated insulation contractors in Lexington is 4.8★, with a median of 23 reviews. Southern Industries Home Improvements has the most, 562 reviews, and ranks #5. 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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do insulation contractors outside Lexington count in this ranking?

Yes, if they are within 25 mi of the Lexington 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 Lexington

  1. October 2026: CR Scores recalculated for 25 insulation contractors serving Lexington.

More insulation contractors and Lexington pages

Other trades in Lexington