7 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Nitro: Teays Valley Service Experts, CR Score 60/100; 4.8★ from 1,374 Google reviews; open 24/7.
Most-reviewed: Bug Busters Pest Solutions, 52 Google reviews at 5.0★, the most of 7 ranked after Teays Valley Service Experts; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
7 Nitro insulation contractors are ranked here by CR Score, from ten published factors. 1 is open 24/7, 2 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 5.0★ across 7 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Teays Valley Service Experts | 60 | 4.8★ (1,374) | Hurricane, 7 mi away | 24/7 | Overall |
| 2 | Prime Inc | 53 | 5.0★ (4) | South Charleston, 7 mi away | — | — |
| 3 | Bug Busters Pest Solutions | 52 | 5.0★ (52) | Cross Lanes, 3 mi away | Sat | Most reviews |
| 4 | Bigfoot RetroFoam | 50 | 5.0★ (9) | Charleston, 19 mi away | — | — |
| 5 | Architectural Interior Products | 45 | 3.6★ (7) | Dunbar, 6 mi away | — | — |
| 6 | Ace Handyman Services Kanawha Valley | 45 | 5.0★ (15) | Charleston, 17 mi away | — | — |
| 7 | Green's Building Products | 42 | 5.0★ (3) | Charleston, 17 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 review volume: 4.8★ from 1,374 Google reviews, the most in Nitro.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Charleston, 7 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ 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 Cross Lanes, 3 mi away
Ranked #3 because of its Google rating and review volume: 5.0★ from 52 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charleston, 19 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Dunbar, 6 mi away
Ranked #5 because of its Google rating and trade focus: 3.6★ from 7 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charleston, 17 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Handyman/Handywoman/Handyperson”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charleston, 17 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Building materials store”.
Based on 8 of 10 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Nitro. 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 7 Nitro 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 Nitro 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 |