11 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Campbell: Penn Ohio Roofing & Siding Group, CR Score 85/100; 4.7★ from 401 Google reviews; open 24/7.
Best for emergencies (open 24/7): Thermal Spray Solutions LLC, posts 24/7 hours; ranked #2 of 11.
Most-reviewed: DR Metal Roofing, 161 Google reviews at 4.9★, the most of 11 ranked after Penn Ohio Roofing & Siding Group; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
11 Campbell insulation contractors are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 6 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.7★ across 11 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Penn Ohio Roofing & Siding Group | 85 | 4.7★ (401) | Sharon, 11 mi away | 24/7 | Overall |
| 2 | Thermal Spray Solutions LLC | 82 | 4.7★ (15) | Boardman, 16 mi away | 24/7 | Emergencies |
| 3 | NMG Properties | 82 | 5.0★ (6) | Austintown, 3 mi away | Sat · Sun | — |
| 4 | Boak & Sons, Inc. | 77 | 4.8★ (160) | Youngstown, 10 mi away | Sat | — |
| 5 | Repairtechn llc | 77 | 5.0★ (4) | Youngstown, 7 mi away | 24/7 | — |
| 6 | DR Metal Roofing | 76 | 4.9★ (161) | Cortland, 18 mi away | Sat | Most reviews |
| 7 | Millik Insulate Co | 74 | 3.4★ (5) | Warren, 16 mi away | — | — |
| 8 | Millik Insulating Co. | 74 | 3.7★ (3) | Cortland, 15 mi away | — | — |
| 9 | The Barn Inc | 73 | 4.0★ (8) | Youngstown, 6 mi away | — | — |
| 10 | Efficient Insulation Inc | 73 | 4.8★ (33) | Ellwood City, 24 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 review volume: 4.7★ from 401 Google reviews, the most Google reviews on this list (401).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Boardman, 16 mi away
Ranked #2 because of its Google rating and availability: 4.7★ from 15 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Austintown, 3 mi away
Ranked #3 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 Youngstown, 10 mi away
Ranked #4 because of its Google rating and review volume: 4.8★ from 160 Google reviews, 160 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Youngstown, 7 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cortland, 18 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 161 Google reviews, 161 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Warren, 16 mi away
Ranked #7 because of its Google rating and trade focus: 3.4★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Cortland, 15 mi away
Ranked #8 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Youngstown, 6 mi away
Ranked #9 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ellwood City, 24 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Canfield, 10 mi away
Ranked #11 because of its Google rating and trade focus: 4.5★ from 11 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Campbell. 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 11 Campbell 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 Campbell 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 |