16 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Centerville: South Carolina Spray Foam Insulation, CR Score 80/100; 5.0★ from 10 Google reviews; open Saturdays until 6 PM.
Most-reviewed: Koala Insulation of Greenville, 444 Google reviews at 4.9★, the most of 16 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
16 Centerville insulation contractors are ranked here by CR Score, from 8 published factors. 7 open Saturdays, based on posted hours. The median Google rating is 5.0★ across 16 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | South Carolina Spray Foam Insulation | 80 | 5.0★ (10) | Anderson, 3 mi away | Sat | Overall |
| 2 | C & M Insulation | 80 | 5.0★ (6) | Anderson, 11 mi away | — | — |
| 3 | Koala Insulation of Greenville | 80 | 4.9★ (444) | Piedmont, 22 mi away | — | Most reviews |
| 4 | C & M Insulation LLC | 79 | 4.4★ (16) | Anderson, 6 mi away | Sat | — |
| 5 | Extreme Spray Foam of Anderson | 76 | 5.0★ (9) | Anderson, 3 mi away | — | — |
| 6 | Alpha Spray Foam Insulation & Crawlspace Encapsulation Greenville SC | 76 | 5.0★ (24) | Greenville, 25 mi away | Sat | — |
| 7 | Discount Crawl Space | 72 | 5.0★ (19) | Seneca, 14 mi away | Sat | — |
| 8 | Glenco Foam & Insulation | 72 | 5.0★ (14) | Easley, 20 mi away | — | — |
| 9 | Affordable Energy Solutions and Services LLC | 72 | 4.3★ (6) | Piedmont, 22 mi away | Sat | — |
| 10 | American Eagle Home Improvement and Insulation | 72 | 3.5★ (27) | Anderson, 3 mi away | Sat | — |
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 trade focus: 5.0★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Anderson, 11 mi away
Ranked #2 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 Piedmont, 22 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 444 Google reviews, the most Google reviews on this list (444).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Anderson, 6 mi away
Ranked #4 because of its Google rating and trade focus: 4.4★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Anderson, 3 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greenville, 25 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Seneca, 14 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 19 Google reviews, open Saturdays until 6 PM.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Easley, 20 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Piedmont, 22 mi away
Ranked #9 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 Anderson, 3 mi away
Ranked #10 because of its Google rating and trade focus: 3.5★ from 27 Google reviews, listed on Google as “Interior construction contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Greenville, 25 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Seneca, 19 mi away
Ranked #12 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 Gantt, 16 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “HVAC contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Greenville, 24 mi away
Ranked #14 because of its Google rating and review volume: 4.9★ from 131 Google reviews, 131 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Piedmont, 24 mi away
Ranked #15 because of its Google rating and trade focus: 3.4★ from 17 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fountain Inn, 24 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
12 more insulation contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Emid | 21 mi | |
| Etc | 20 mi | |
| Foam It | 21 mi | |
| Foothills Insulation Inc | 22 mi | |
| Galloway Bell Inc | 5.0★ (1) | 22 mi |
| Galloway Insulation | 5.0★ (1) | 24 mi |
| Glenco Foam & Insulation, Inc | 23 mi | |
| Hot Attic Services Pro | 25 mi | |
| Total Comfort Installations | 18 mi | |
| Total Comfort Installations (TCI) | 13 mi | |
| Trane The Wood Company Electrical Hvac Insulation | 3 mi | |
| Wood Insulating Inc | 18 mi |
National price ranges in USD, not adjusted for Centerville. 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 16 Centerville 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 Centerville 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 |