88/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 56 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 56 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Insulation Contractors in Johnston, RI (2026)
77 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Johnston: L&B Remodeling Co. Inc., CR Score 88/100; 5.0★ from 56 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): WeatherTek Insulation LLC, posts 24/7 hours; ranked #2 of 77.
- 14
Most-reviewed: NetZero Insulation Technologies, 260 Google reviews at 5.0★, the most of 77 ranked; ranked #14.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
77 Johnston insulation contractors are ranked here by CR Score, from 8 published factors. 4 are open 24/7, 38 open Saturdays and 11 open Sundays, based on posted hours. The median Google rating is 4.9★ across 77 rated businesses.
Top 10 insulation contractors in Johnston at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | L&B Remodeling Co. Inc. | 88 | 5.0★ (56) | Seekonk, 18 mi away | 24/7 | Overall |
| 2 | WeatherTek Insulation LLC | 86 | 4.4★ (32) | Coventry, 11 mi away | 24/7 | Emergencies |
| 3 | Atlas Insulation Co | 84 | 4.0★ (41) | Johnston | — | — |
| 4 | 5C Energy, Inc. | 84 | 4.9★ (115) | Attleboro, 11 mi away | Sat | — |
| 5 | All Star Insulation | 84 | 4.8★ (71) | Pawtucket, 8 mi away | Sat | — |
| 6 | Newbury Insulation LLC. | 83 | 5.0★ (20) | Woonsocket, 13 mi away | — | — |
| 7 | Priority Insulation Providence | 83 | 5.0★ (30) | Providence, 6 mi away | Sat · Evenings | — |
| 8 | Superior Insulation | 83 | 5.0★ (8) | Smithfield, 5 mi away | — | — |
| 9 | RI Choice Spray Foam Inc. | 83 | 4.7★ (31) | Coventry, 15 mi away | Sat · Sun · Evenings | — |
| 10 | Precision Spray Foam Insulation Warwick | 82 | 4.7★ (36) | Seekonk, 18 mi away | Sat · Sun · Evenings | — |
The 77 best insulation contractors in Johnston, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Based in Coventry, 11 mi away
86/100CR ScoreRanked #2 because of its Google rating and availability: 4.4★ from 32 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.4★ from 32 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11 Grandview St, Coventry, RI 02816
Based in Johnston
84/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.0★ from 41 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 4.0★ from 41 Google reviews
- Address
- 116 Danielson Pike, Scituate, RI 02857
Based in Attleboro, 11 mi away
84/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 115 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 115 Google reviews
- Hours
- Mon–Fri 7 AM–4 PM · Sat 7 AM–12 PM · Sun closed
- Address
- 330 Victor Rd Bldg A, Attleboro, MA 02703
Based in Pawtucket, 8 mi away
84/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 71 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 71 Google reviews
- Hours
- Mon 7 AM–5 PM · Tue 6:30 AM–5 PM · Wed 7 AM–5:30 PM · Thu–Sat 7 AM–5 PM · Sun closed
- Address
- 20 Rhode Island Ave, Pawtucket, RI 02860
Based in Woonsocket, 13 mi away
83/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 5.0★ from 20 Google reviews
- Address
- 308 E School St, Woonsocket, RI 02895
Based in Providence, 6 mi away
83/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 30 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
- Address
- 179 Massachusetts Ave, Providence, RI 02905
Based in Smithfield, 5 mi away
83/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 5.0★ from 8 Google reviews
- Address
- 14 Enterprise Ln b, Smithfield, RI 02917
Based in Coventry, 15 mi away
83/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.7★ from 31 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun 9 AM–5 PM
- Address
- 6222 Flat River Rd, Coventry, RI 02827
Based in Seekonk, 18 mi away
82/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.7★ from 36 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.7★ from 36 Google reviews
- Hours
- Mon 7 AM–6 PM · Tue–Fri 7 AM–7 PM · Sat–Sun 8 AM–5 PM
Based in Berkley, 23 mi away
82/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 41 Google reviews
- Hours
- Mon–Sun 9 AM–5 PM
- Address
- 46 Forge Rd, Assonet, MA 02702
#12 MR. ROOF. INC
Based in Attleboro, 10 mi away
82/100CR ScoreRanked #12 because of its Google rating and review volume: 4.8★ from 197 Google reviews, 197 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 197 Google reviews
- Hours
- Mon–Sun 9 AM–5 PM
- Address
- 829 Newport Ave, Attleboro, MA 02703
Based in Providence, 4 mi away
82/100CR ScoreRanked #13 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.
- 5.0★ from 17 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
- Address
- 9 Fuller St Unit 4A, Providence, RI 02907
Based in Seekonk, 18 mi away
81/100CR ScoreRanked #14 because of its Google rating and review volume: 5.0★ from 260 Google reviews, the most Google reviews on this list (260).
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 260 Google reviews
- Hours
- Mon–Fri 8 AM–5:30 PM · Sat–Sun closed
Based in Johnston
81/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 5.0★ from 5 Google reviews
- Address
- 50 King St, Johnston, RI 02919
Based in Woonsocket, 12 mi away
81/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.6★ from 77 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.6★ from 77 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 8 AM–2 PM · Sun closed
- Address
- 840 Cumberland Hill Rd Unit 113, Woonsocket, RI 02895
Based in Uxbridge, 16 mi away
81/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 16 Google reviews
- Hours
- Mon–Sat 9 AM–5 PM · Sun 10 AM–4 PM
- Address
- 47 Industrial Dr, Uxbridge, MA 01569
Based in Franklin, 18 mi away
81/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 40 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 9 AM–5 PM · Sun closed
- Address
- 837 Upper Union St, Franklin, MA 02038
Based in Woonsocket, 12 mi away
80/100CR ScoreRanked #19 because of its Google rating and availability: 4.0★ from 3 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.0★ from 3 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 182 Circle St, Woonsocket, RI 02895
Based in Raynham, 25 mi away
80/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 95 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 95 Google reviews
- Hours
- Mon–Sat 7 AM–5 PM · Sun closed
- Address
- 95 Ryan Dr #7, Raynham, MA 02767
Based in Berkley, 23 mi away
79/100CR ScoreRanked #21 because of its Google rating and review volume: 4.9★ from 74 Google reviews, 74 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 74 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 46 Forge Rd, Assonet, MA 02702
Based in Cumberland, 11 mi away
79/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 15 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 7 AM–12 PM · Sun closed
- Address
- 29 Gadoury Dr, Cumberland, RI 02864
#23 Tuma Insulation
Based in Warwick, 8 mi away
79/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 5.0★ from 5 Google reviews
- Address
- Warwick, RI 02886
Based in Fall River, 24 mi away
79/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 48 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
- Address
- 62 Lighthouse Ln, Westport, MA 02790
Based in Taunton, 22 mi away
79/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 35 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun closed
- Address
- 37 Weir St, Taunton, MA 02780
Insulation contractors ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 77 ranked insulation contractors here; the rest are on their profiles.
Also serving Johnston
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 |
|---|---|---|
| A. A. Arden LLC | 3.0★ (2) | 10 mi |
| Aten Energy Conservation LLC | 5.0★ (2) | 6 mi |
| Bailey's Weatherization | 5.0★ (2) | 21 mi |
| Bay State Insulation | 5.0★ (2) | 25 mi |
| Baylies Insulation | 5.0★ (2) | 20 mi |
| Blueprint Construction Inc | 3.0★ (2) | 23 mi |
| CIC Insulation, Inc. | 5.0★ (2) | 11 mi |
| Greenwich Insulation | 3.0★ (1) | 8 mi |
| I&W Insulation | 1.0★ (2) | 21 mi |
| Lundey Inc | 3.0★ (2) | 15 mi |
| MAK Insulation | 1.0★ (2) | 17 mi |
| Mass Spray Foam Inc | 5.0★ (2) | 17 mi |
| Ned Reynolds | 5.0★ (2) | 25 mi |
| NTC Plastering | 5.0★ (1) | 12 mi |
| ProTech Spray Foam | 5.0★ (1) | In Johnston |
| QSPS Housing Solutions | 4.8★ (283) | In Johnston |
| RYPEC Home Sevices | 5.0★ (1) | 6 mi |
| Spray Foam Insulation Boston Mass & Rhode Island | 5.0★ (1) | 15 mi |
| Tier One Insulation Services LLC | 5.0★ (1) | 17 mi |
| Viking Industries Inc | 5.0★ (1) | 10 mi |
How much do insulation contractors cost in Johnston?
National price ranges in USD, not adjusted for Johnston. 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 |
How we ranked Johnston insulation contractors
We scored 77 Johnston 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 Johnston 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 |
Insulation contractors in Johnston: frequently asked questions
Who is the best insulation contractor in Johnston?
By CR Score, the highest-ranked insulation contractor in Johnston, RI is L&B Remodeling Co. Inc. with a CR Score of 88/100. It has 5.0★ from 56 Google reviews. It is open 24/7. WeatherTek Insulation LLC (#2) and Atlas Insulation Co (#3) follow. We ranked 77 insulation contractors on 8 factors, last updated October 22, 2026.
How many insulation contractors are there in Johnston?
ContractorsRanked ranks 77 insulation contractors serving Johnston, RI. 2 of them are based in Johnston; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which insulation contractors in Johnston are open 24/7?
4 ranked insulation contractors in Johnston post 24/7 hours. The highest-ranked are L&B Remodeling Co. Inc. (#1), WeatherTek Insulation LLC (#2) and Retro Tec Insulation, Llc (#19). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Johnston work on weekends?
38 of 77 ranked insulation contractors post Saturday hours and 11 post Sunday hours. The highest-ranked open Saturdays are L&B Remodeling Co. Inc. (#1), WeatherTek Insulation LLC (#2) and 5C Energy, Inc. (#4). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Johnston?
Attic insulation typically costs $1,700 to $2,500, with $2,100 typical (Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range). This is a national range, not adjusted for Johnston. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Johnston insulation contractors have?
The median Google rating among 77 rated insulation contractors in Johnston is 4.9★, with a median of 15 reviews. NetZero Insulation Technologies has the most, 260 reviews, and ranks #14. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank insulation contractors?
Each insulation contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do insulation contractors outside Johnston count in this ranking?
Yes, if they are within 25 mi of the Johnston city center, our service radius for insulation contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Johnston
- October 2026: CR Scores recalculated for 77 insulation contractors serving Johnston.
- October 2026: 1 duplicate listing merged.
More insulation contractors and Johnston pages
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