26 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Oak Grove: Vinx Pest Control, CR Score 93/100; 4.7★ from 418 Google reviews; open 24/7.
Best for emergencies (open 24/7): Southern Industries Home Improvements, posts 24/7 hours; ranked #2 of 26.
Most-reviewed: Southern Industries Home Improvements, 562 Google reviews at 4.6★, the most of 26 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
26 Oak Grove insulation contractors are ranked here by CR Score, from 8 published factors. 5 are open 24/7, 14 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.8★ across 26 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Vinx Pest Control | 93 | 4.7★ (418) | Columbia, 5 mi away | 24/7 | Overall |
| 2 | Southern Industries Home Improvements | 86 | 4.6★ (562) | Columbia, 5 mi away | 24/7 | Emergencies, Most reviews |
| 3 | SWAT Heating and Air | 86 | 5.0★ (236) | Lexington, 11 mi away | 24/7 | — |
| 4 | Crawl Space Brothers | 85 | 4.8★ (23) | Columbia, 10 mi away | 24/7 | — |
| 5 | Chapin Insulation: Spray Foam & Fiberglass | 85 | 4.9★ (60) | Columbia, 10 mi away | Sat · Sun · Evenings | — |
| 6 | Dragon Insulation | 83 | 4.9★ (86) | Columbia, 7 mi away | Sat | — |
| 7 | Synergy Spray Foam & Air Conditioning | 83 | 4.8★ (85) | Woodfield, 4 mi away | Sat | — |
| 8 | Vapor-X Crawlspaces | 82 | 5.0★ (76) | Irmo, 12 mi away | 24/7 | — |
| 9 | Lucas Insulation | 80 | 5.0★ (6) | Columbia, 6 mi away | — | — |
| 10 | Unitherm Inc | 77 | 4.3★ (4) | Columbia, 10 mi away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
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.
Based in Columbia, 5 mi away
Ranked #2 because of its Google rating and review volume: 4.6★ from 562 Google reviews, the most Google reviews on this list (562).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lexington, 11 mi away
Ranked #3 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.
Based in Columbia, 10 mi away
Ranked #4 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.
Based in Columbia, 10 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 60 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 7 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 6 of 8 factors; credentials and recency not yet collected.
Based in Woodfield, 4 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 85 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Irmo, 12 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 76 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 6 mi away
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.
Based in Columbia, 10 mi away
Ranked #10 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.
Based in Red Bank, 21 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 10 mi away
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.
Based in Columbia, 12 mi away
Ranked #13 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.
Based in Cayce, 23 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cayce, 5 mi away
Ranked #15 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.
Based in Columbia, 9 mi away
Ranked #16 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.
Based in Charleston, 16 mi away
Ranked #17 because of its Google rating and availability: 4.1★ from 39 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 8 mi away
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.
Based in Lexington, 11 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 6 of 8 factors; credentials and recency not yet collected.
Based in Irmo, 8 mi away
Ranked #20 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.
Based in Columbia, 11 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 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 17 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 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 8 mi away
Ranked #23 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.
Based in West Columbia, 7 mi away
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.
Based in Columbia, 23 mi away
Ranked #25 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Oak Grove. 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 26 Oak Grove 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.
| Factor | Weight | Computed from | In Oak Grove data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |