33 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Clemmons: North Alabama Spray Foam Insulation, CR Score 86/100; 5.0★ from 29 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Grace Roofing And Construction LLC, posts 24/7 hours; ranked #10 of 33.
Most-reviewed: Hawley Air Heating and Cooling, 1,236 Google reviews at 4.9★, the most of 33 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
33 Clemmons insulation contractors are ranked here by CR Score, from 8 published factors. 2 are open 24/7, 16 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.8★ across 33 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | North Alabama Spray Foam Insulation | 86 | 5.0★ (29) | Clemmons | Sat · Sun · Evenings | Overall |
| 2 | Hawley Air Heating and Cooling | 85 | 4.9★ (1,236) | Clemmons | Sat · Sun · Evenings | Most reviews |
| 3 | Dogwood Crawlspaces | 84 | 5.0★ (63) | Clemmons | Sat | — |
| 4 | Koala Insulation of Twin City | 84 | 4.8★ (77) | Winston-Salem, 10 mi away | — | — |
| 5 | Precision Air Care | 82 | 5.0★ (65) | Winston-Salem, 9 mi away | Sun · Evenings | — |
| 6 | Insulation Services | 81 | 5.0★ (9) | Winston-Salem, 11 mi away | Sat · Sun | — |
| 7 | Uniquely Green | 79 | 4.8★ (52) | Winston-Salem, 9 mi away | Sat | — |
| 8 | Ray's Pest Control and Wildlife Removal | 79 | 4.7★ (301) | Winston-Salem, 8 mi away | — | — |
| 9 | Lion Defense, LLC | 79 | 5.0★ (68) | Kernersville, 9 mi away | Sat · Sun | — |
| 10 | Grace Roofing And Construction LLC | 79 | 4.9★ (88) | King, 17 mi away | 24/7 | Emergencies |
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 trade focus: 5.0★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Clemmons
Ranked #2 because of its Google rating and review volume: 4.9★ from 1,236 Google reviews, the most Google reviews on this list (1,236).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Clemmons
Ranked #3 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Winston-Salem, 10 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 77 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Winston-Salem, 9 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Winston-Salem, 11 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Winston-Salem, 9 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 52 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Winston-Salem, 8 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 301 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kernersville, 9 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 68 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in King, 17 mi away
Ranked #10 because of its Google rating and availability: 4.9★ from 88 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mocksville, 14 mi away
Ranked #11 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Clemmons
Ranked #12 because of its Google rating and trade focus: 5.0★ 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 High Point, 22 mi away
Ranked #13 because of its Google rating and review volume: 4.9★ from 1,188 Google reviews, 1,188 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lewisville, 9 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Winston-Salem, 10 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lexington, 15 mi away
Ranked #16 because of its Google rating and trade focus: 4.3★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in High Point, 21 mi away
Ranked #17 because of its Google rating and trade focus: 3.8★ from 40 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Winston-Salem, 10 mi away
Ranked #18 because of its Google rating and trade focus: 4.6★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kernersville, 8 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Thomasville, 19 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kernersville, 19 mi away
Ranked #21 because of its Google rating and review volume: 4.7★ from 162 Google reviews, 162 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kernersville, 19 mi away
Ranked #22 because of its Google rating and review volume: 4.6★ from 339 Google reviews, 339 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kannapolis, 25 mi away
Ranked #23 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lexington, 17 mi away
Ranked #24 because of its Google rating and trade focus: 1.7★ 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 Winston-Salem, 7 mi away
Ranked #25 because of its Google rating and trade focus: 4.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #33, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Bay Insulation of North Carolina Inc. | 70 | 4.6★ (18) | 24 mi |
| 27 | Revive Crawlspace Restoration, LLC | 69 | 4.9★ (30) | 23 mi |
| 28 | Carolina Duct & Crawl LLC | 69 | 4.3★ (263) | 22 mi |
| 29 | A & J Painting | 68 | 4.2★ (10) | 22 mi |
| 30 | Chemtech Roof & Insulation Systems Inc | 67 | 4.0★ (5) | 11 mi |
| 31 | ACI Systems | 67 | 4.0★ (4) | 25 mi |
| 32 | King Services of North Carolina | 65 | 4.7★ (12) | 16 mi |
| 33 | Interior Solutionz, Inc. | 63 | 4.8★ (4) | 18 mi |
20 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 |
|---|---|---|
| Automated Comfort Systems Heating & AC Repair | 4.9★ (645) | In Clemmons |
| Brickey Acoustical Inc | In Clemmons | |
| Carolina Home Performance Inc | 5.0★ (1) | 17 mi |
| Carolina Superior Home Maintenance | 5.0★ (2) | 8 mi |
| CNC Spray Foam Insulation | 5.0★ (2) | 11 mi |
| Colby's Gutters & Improvements | 1.0★ (1) | In Clemmons |
| Crawford Home Improvements | 4.7★ (62) | In Clemmons |
| D7 Insulation llc | 2.0★ (2) | 24 mi |
| Energy Tamers of the Triad, LLC | 1.0★ (1) | 10 mi |
| Energy Works | 5.0★ (1) | 25 mi |
| Extreme Spray Foam of Winston Salem | 5.0★ (1) | In Clemmons |
| Foam Comfort Systems LLC | 5.0★ (1) | In Clemmons |
| Foam Comfort Systems LLC | 1.0★ (1) | 12 mi |
| Insulation Solutions | 5 mi | |
| JC PAINTING LLC | In Clemmons | |
| Pals Attic Insulation & Dryer Vent Cleaning Service Winston-Salem, NC | 5.0★ (1) | 9 mi |
| Peoples Work Insulation, LLC | In Clemmons | |
| Piedmont Insulators LLC | 5.0★ (1) | 23 mi |
| Precision Metal Structures LLC | 4.7★ (130) | In Clemmons |
| Thermal Insulation Co. | 5.0★ (1) | 10 mi |
National price ranges in USD, not adjusted for Clemmons. 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 33 Clemmons 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 Clemmons 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 |