25 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Seven Oaks: Vinx Pest Control, CR Score 66/100; 4.7★ from 418 Google reviews; open 24/7.
Best for emergencies (open 24/7): Southern Industries Home Improvements, posts 24/7 hours; ranked #3 of 25.
Most-reviewed: Southern Industries Home Improvements, 562 Google reviews at 4.6★, the most of 25 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
25 Seven Oaks 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.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Vinx Pest Control | 66 | 4.7★ (418) | Columbia, 3 mi away | 24/7 | Overall |
| 2 | Chapin Insulation: Spray Foam & Fiberglass | 60 | 4.9★ (60) | Columbia, 5 mi away | Sat · Sun · Evenings | — |
| 3 | Southern Industries Home Improvements | 60 | 4.6★ (562) | Columbia, 1 mi away | 24/7 | Emergencies, Most reviews |
| 4 | Synergy Spray Foam & Air Conditioning | 60 | 4.8★ (85) | Woodfield, 1 mi away | Sat | — |
| 5 | Crawl Space Brothers | 59 | 4.8★ (23) | Columbia, 9 mi away | 24/7 | — |
| 6 | Dragon Insulation | 58 | 4.9★ (86) | Columbia, 12 mi away | Sat | — |
| 7 | SWAT Heating and Air | 57 | 5.0★ (236) | Lexington, 14 mi away | 24/7 | — |
| 8 | Vapor-X Crawlspaces | 56 | 5.0★ (76) | Irmo, 10 mi away | 24/7 | — |
| 9 | GTG, Inc. | 54 | 4.3★ (54) | Columbia, 6 mi away | — | — |
| 10 | Lucas Insulation | 54 | 5.0★ (6) | Columbia, 8 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
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.
Based in Columbia, 5 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 60 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Columbia, 1 mi away
Ranked #3 because of its Google rating and review volume: 4.6★ from 562 Google reviews, the most in Seven Oaks.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Woodfield, 1 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 85 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Columbia, 9 mi away
Ranked #5 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.
Based in Columbia, 12 mi away
Ranked #6 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.
Based in Lexington, 14 mi away
Ranked #7 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.
Based in Irmo, 10 mi away
Ranked #8 because of its Google rating and review volume: 5.0★ from 76 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Columbia, 6 mi away
Ranked #9 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.
Based in Columbia, 8 mi away
Ranked #10 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.
Based in Cayce, 4 mi away
Ranked #11 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.
Based in Red Bank, 18 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Columbia, 13 mi away
Ranked #13 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.
Based in Columbia, 13 mi away
Ranked #14 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.
Based in Columbia, 6 mi away
Ranked #15 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.
Based in Columbia, 12 mi away
Ranked #16 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.
Based in Irmo, 3 mi away
Ranked #17 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.
Based in Columbia, 4 mi away
Ranked #18 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.
Based in Lexington, 15 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Woodfield, 24 mi away
Ranked #20 because of its Google rating and review volume: 4.9★ from 119 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Columbia, 13 mi away
Ranked #21 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.
Based in Columbia, 16 mi away
Ranked #22 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.
Based in Charleston, 13 mi away
Ranked #23 because of its Google rating and review volume: 4.1★ from 39 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Columbia, 12 mi away
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.
Based in West Columbia, 11 mi away
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.
National price ranges in USD, not adjusted for Seven Oaks. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Attic insulation | $1,700 | $2,100 | $2,500 | Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range | October 2026 |
We scored 25 Seven Oaks 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.
| Factor | Weight | Computed from | In Seven Oaks data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |