Ranked #1 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
- 5.0★ from 41 Google reviews
23 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Smithfield: Crawlspace & Basement Innovations, CR Score 57/100; 5.0★ from 41 Google reviews.
Best for emergencies (open 24/7): Roof Central, posts 24/7 hours; ranked #2 of 23.
Most-reviewed: Service Experts Heating & Air Conditioning, 5,915 Google reviews at 4.9★, the most of 23 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
23 Smithfield insulation contractors are ranked here by CR Score, from ten published factors. 3 are open 24/7, 8 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.9★ across 23 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Crawlspace & Basement Innovations | 57 | 5.0★ (41) | Knightdale, 6 mi away | — | Overall |
| 2 | Roof Central | 57 | 5.0★ (118) | Smithfield | 24/7 | Emergencies |
| 3 | Service Experts Heating & Air Conditioning | 56 | 4.9★ (5,915) | Raleigh, 24 mi away | 24/7 | Most reviews |
| 4 | Carolina Casa | 54 | 5.0★ (142) | Wendell, 18 mi away | Evenings | — |
| 5 | Palomo Insulation Inc | 54 | 5.0★ (39) | Wendell, 15 mi away | Sat | — |
| 6 | EcoMaster Insulation Contractors and Home Performance Experts | 54 | 4.7★ (24) | Raleigh, 25 mi away | 24/7 | — |
| 7 | Carolina Basement Systems | 53 | 4.8★ (114) | Raleigh, 22 mi away | Sat · Evenings | — |
| 8 | USA Insulation Raleigh-Durham | 53 | 4.9★ (298) | Cary, 22 mi away | — | — |
| 9 | Cleaner Crawl Space, LLC | 53 | 5.0★ (7) | Clayton, 11 mi away | Sat | — |
| 10 | Elite Moisture Solutions | 53 | 5.0★ (11) | Clayton, 6 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 trade focus: 5.0★ from 41 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Smithfield
Ranked #2 because of its Google rating and review volume: 5.0★ from 118 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Raleigh, 24 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 5,915 Google reviews, the most in Smithfield.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wendell, 18 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 142 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wendell, 15 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 39 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Raleigh, 25 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Raleigh, 22 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 114 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Cary, 22 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 298 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clayton, 11 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clayton, 6 mi away
Ranked #10 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 Raleigh, 25 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 on 8 of 10 factors; credentials and recency not yet collected.
Based in Raleigh, 22 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 104 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clayton, 11 mi away
Ranked #13 because of its Google rating and review volume: 5.0★ from 339 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Durham, 24 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 on 8 of 10 factors; credentials and recency not yet collected.
Based in Wilson, 15 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Garner, 17 mi away
Ranked #16 because of its Google rating and trade focus: 3.0★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Raleigh, 25 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Garner, 15 mi away
Ranked #18 because of its Google rating and trade focus: 3.6★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Raleigh, 23 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Garner, 18 mi away
Ranked #20 because of its Google rating and trade focus: 3.5★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Goldsboro, 21 mi away
Ranked #21 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wendell, 22 mi away
Ranked #22 because of its Google rating and review volume: 4.5★ from 404 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Garner, 20 mi away
Ranked #23 because of its Google rating and trade focus: 4.3★ from 47 Google reviews, listed on Google as “Window installation service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
18 more insulation contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| American Building Systems | 3.0★ (1) | 23 mi |
| Carolina Foam Insulation Inc | 5.0★ (1) | 19 mi |
| Crawlspace Works | 14 mi | |
| Davis Insulation | 5.0★ (2) | 23 mi |
| Ecomaster | 1.0★ (1) | 15 mi |
| Fosters Weatherization, LLC | 23 mi | |
| GIS | Guarantee Installation Services, Inc. | 5.0★ (109) | In Smithfield |
| Great Insulation Company | 15 mi | |
| HomePro Services | 5.0★ (2) | 18 mi |
| J&C Insulation Work LLC | 22 mi | |
| Lane's Contracting & Roofing, Inc. | 4.9★ (244) | In Smithfield |
| Mozingo's Insulation | In Smithfield | |
| Priority Insulation I | 5.0★ (2) | 22 mi |
| Spray Foam Insulation of NC | 5.0★ (2) | 21 mi |
| Transport Equipment Solutions, LLC. | 21 mi | |
| Trufit Mechanical Insulation | 21 mi | |
| Unitherm, Inc. | 22 mi | |
| Z & A Remodeling | 5.0★ (1) | 20 mi |
National price ranges in USD, not adjusted for Smithfield. 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 23 Smithfield 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 Smithfield 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 |