18 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Hilton Head: Performance Energy LLC, CR Score 80/100; 5.0★ from 81 Google reviews; open Saturdays until 8 PM.
Most-reviewed: Your Exterior Pros, 496 Google reviews at 4.8★, the most of 18 ranked; ranked #13.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
18 Hilton Head insulation contractors are ranked here by CR Score, from 8 published factors. 4 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 5.0★ across 18 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Performance Energy LLC | 80 | 5.0★ (81) | Savannah, 23 mi away | Sat · Evenings | Overall |
| 2 | Savannah Spray Foam Insulation | 77 | 5.0★ (28) | Port Wentworth, 25 mi away | Sat | — |
| 3 | Efficient Foam & Insulation | 77 | 5.0★ (5) | Bluffton, 10 mi away | Sat | — |
| 4 | Ecofoam Insulation and Coatings | 76 | 4.8★ (76) | Hardeeville, 20 mi away | — | — |
| 5 | Low Country Ducts | 75 | 5.0★ (320) | Bluffton, 13 mi away | — | — |
| 6 | Island Spray Foam LLC | 75 | 5.0★ (22) | Bluffton, 15 mi away | — | — |
| 7 | Atlantic Spray Foam | 75 | 4.4★ (39) | Bluffton, 12 mi away | — | — |
| 8 | Barrier South | 75 | 4.8★ (22) | Beaufort, 13 mi away | — | — |
| 9 | Custom Insulation Inc | 74 | 3.4★ (7) | Savannah, 19 mi away | — | — |
| 10 | Palms spray foam | 74 | 5.0★ (13) | Bluffton, 15 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 trade focus: 5.0★ from 81 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Port Wentworth, 25 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bluffton, 10 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hardeeville, 20 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 76 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bluffton, 13 mi away
Ranked #5 because of its Google rating and review volume: 5.0★ from 320 Google reviews, 320 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bluffton, 15 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bluffton, 12 mi away
Ranked #7 because of its Google rating and trade focus: 4.4★ from 39 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Beaufort, 13 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Savannah, 19 mi away
Ranked #9 because of its Google rating and trade focus: 3.4★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Bluffton, 15 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Beaufort, 16 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Savannah, 22 mi away
Ranked #12 because of its Google rating and review volume: 5.0★ from 221 Google reviews, 221 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Savannah, 23 mi away
Ranked #13 because of its Google rating and review volume: 4.8★ from 496 Google reviews, the most Google reviews on this list (496).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hardeeville, 20 mi away
Ranked #14 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 Bluffton, 13 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hardeeville, 19 mi away
Ranked #16 because of its Google rating and trade focus: 2.4★ from 14 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Beaufort, 19 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 3 Google reviews, open Saturdays until 8 PM.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Port Wentworth, 25 mi away
Ranked #18 because of its Google rating and availability: 4.0★ from 4 Google reviews, open Sundays until 8 PM.
Based on 6 of 8 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Hilton Head. 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 18 Hilton Head 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 Hilton Head 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 |