54 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Unionville: Crawl Space Brothers, CR Score 60/100; 5.0★ from 309 Google reviews; open 24/7.
Best for emergencies (open 24/7): Crawl Space Brothers, posts 24/7 hours; ranked #3 of 54.
Most-reviewed: Power Home Remodeling, 2,444 Google reviews at 4.7★, the most of 54 ranked; ranked #20.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
54 Unionville insulation contractors are ranked here by CR Score, from ten published factors. 9 are open 24/7, 27 open Saturdays and 17 open Sundays, based on posted hours. The median Google rating is 4.9★ across 54 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Crawl Space Brothers | 60 | 5.0★ (309) | Charlotte, 20 mi away | 24/7 | Overall |
| 2 | Crawl Space Ninja of Charlotte | 59 | 4.8★ (125) | Stallings, 10 mi away | Sat · Sun | — |
| 3 | Crawl Space Brothers | 59 | 4.9★ (52) | Matthews, 12 mi away | 24/7 | Emergencies |
| 4 | Behr Insulation | 58 | 5.0★ (73) | Matthews, 11 mi away | Sat · Sun · Evenings | — |
| 5 | Koala Insulation of Greater Charlotte | 57 | 4.9★ (86) | Charlotte, 22 mi away | 24/7 | — |
| 6 | Simon Quality Construction | 57 | 5.0★ (166) | Charlotte, 22 mi away | Sat · Sun · Evenings | — |
| 7 | Standard Insulating Company | 57 | 5.0★ (620) | Charlotte, 19 mi away | — | — |
| 8 | Koala Insulation of Greater South Charlotte | 56 | 4.4★ (18) | Matthews, 13 mi away | 24/7 | — |
| 9 | Home Shield Insulation of Charlotte | 55 | 4.9★ (136) | Charlotte, 19 mi away | Sat · Evenings | — |
| 10 | All Around Service | 55 | 5.0★ (3) | Monroe, 9 mi away | 24/7 | — |
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 trade focus: 5.0★ from 309 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stallings, 10 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 125 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Matthews, 12 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 52 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Matthews, 11 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 73 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charlotte, 22 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 86 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charlotte, 22 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 166 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charlotte, 19 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 620 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Matthews, 13 mi away
Ranked #8 because of its Google rating and trade focus: 4.4★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charlotte, 19 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 136 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Monroe, 9 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gantt, 21 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Matthews, 11 mi away
Ranked #12 because of its Google rating and review volume: 4.8★ from 215 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Indian Trail, 9 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charlotte, 20 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 66 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Indian Trail, 8 mi away
Ranked #15 because of its Google rating and trade focus: 4.5★ from 63 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charlotte, 22 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charlotte, 25 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charlotte, 21 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 61 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charlotte, 15 mi away
Ranked #19 because of its Google rating and review volume: 4.8★ from 73 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Charlotte, 23 mi away
Ranked #20 because of its Google rating and review volume: 4.7★ from 2,444 Google reviews, the most in Unionville.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belmont, 20 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Monroe, 6 mi away
Ranked #22 because of its Google rating and trade focus: 3.9★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Mill, 23 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Berea, 10 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belmont, 21 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Unionville. 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 54 Unionville 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 Unionville 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 |