59 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Holly Springs: Crawlspaces & Beyond LLC, CR Score 58/100; 5.0★ from 90 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Service Experts Heating & Air Conditioning, posts 24/7 hours; ranked #3 of 59.
Most-reviewed: Michael & Son Services, 13,263 Google reviews at 4.8★, the most of 59 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
59 Holly Springs insulation contractors are ranked here by CR Score, from ten published factors. 6 are open 24/7, 29 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.8★ across 59 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Crawlspaces & Beyond LLC | 58 | 5.0★ (90) | Cary, 8 mi away | Sat · Sun | Overall |
| 2 | Insulation Commandos of Raleigh-Durham | 58 | 5.0★ (47) | Fuquay-Varina, 5 mi away | Sat · Sun · Evenings | — |
| 3 | Service Experts Heating & Air Conditioning | 58 | 4.9★ (5,915) | Raleigh, 12 mi away | 24/7 | Emergencies |
| 4 | Michael & Son Services | 57 | 4.8★ (13,263) | Raleigh, 18 mi away | 24/7 | Most reviews |
| 5 | C&M Crawlspace Solutions | 57 | 5.0★ (24) | Apex, 13 mi away | 24/7 | — |
| 6 | Home Shield Insulation of Raleigh | 56 | 4.9★ (51) | Apex, 5 mi away | Sat · Evenings | — |
| 7 | Energy Saving Insulation | 56 | 4.9★ (45) | Fuquay-Varina, 5 mi away | Sat | — |
| 8 | United Contractors of NC, Inc. | 56 | 4.9★ (54) | Apex, 13 mi away | Sat · Sun | — |
| 9 | EcoMaster Insulation Contractors and Home Performance Experts | 55 | 4.7★ (24) | Raleigh, 19 mi away | 24/7 | — |
| 10 | Prime Energy Group | 54 | 4.6★ (31) | Apex, 14 mi away | Sat · Sun | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 90 Google reviews, listed on Google as “Insulation contractor”.
Based in Fuquay-Varina, 5 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 47 Google reviews, listed on Google as “Insulation contractor”.
Based in Raleigh, 12 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 5,915 Google reviews.
Based in Raleigh, 18 mi away
Ranked #4 because of its Google rating and review volume: 4.8★ from 13,263 Google reviews, the most in Holly Springs.
Based in Apex, 13 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based in Apex, 5 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 51 Google reviews, listed on Google as “Insulation contractor”.
Based in Fuquay-Varina, 5 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 45 Google reviews, listed on Google as “Insulation contractor”.
Based in Apex, 13 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 54 Google reviews, listed on Google as “Insulation contractor”.
Based in Raleigh, 19 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based in Apex, 14 mi away
Ranked #10 because of its Google rating and trade focus: 4.6★ from 31 Google reviews, listed on Google as “Insulation contractor”.
Based in Raleigh, 14 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 226 Google reviews, listed on Google as “Insulation contractor”.
Based in Holly Springs
Ranked #12 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based in Raleigh, 18 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 114 Google reviews, listed on Google as “Insulation contractor”.
Based in Durham, 10 mi away
Ranked #14 because of its Google rating and trade focus: 3.7★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based in Cary, 22 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 93 Google reviews, listed on Google as “Insulation contractor”.
Based in Apex, 11 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 129 Google reviews.
Based in Raleigh, 14 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 98 Google reviews, listed on Google as “Insulation contractor”.
Based in Apex, 22 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 189 Google reviews, listed on Google as “Insulation contractor”.
Based in Holly Springs
Ranked #19 because of its Google rating and trade focus: 4.6★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Raleigh, 25 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 68 Google reviews, listed on Google as “Insulation contractor”.
Based in Raleigh, 19 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 103 Google reviews, listed on Google as “Insulation contractor”.
Based in Raleigh, 17 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 104 Google reviews, listed on Google as “Insulation contractor”.
Based in Raleigh, 12 mi away
Ranked #23 because of its Google rating and trade focus: 4.7★ from 50 Google reviews, listed on Google as “Insulation contractor”.
Based in Raleigh, 12 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based in Durham, 17 mi away
Ranked #25 because of its Google rating and trade focus: 4.3★ from 95 Google reviews, listed on Google as “Insulation contractor”.
National price ranges in USD, not adjusted for Holly Springs. 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 59 Holly Springs 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 Holly Springs 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 |