88/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 146 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 146 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
- Address
- 54 Washington Ave, Dover, NJ 07801
Best Insulation Contractors in Dover, NJ (2026)
108 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Dover: DoctorEnergySmart, CR Score 88/100; 4.9★ from 146 Google reviews; open 7 days a week.
- 6
Best for emergencies (open 24/7): PRO MASTER CONSTRUCTION NJ LLC, posts 24/7 hours; ranked #6 of 108.
- 2
Most-reviewed: Atticare, 820 Google reviews at 4.9★, the most of 108 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
108 Dover insulation contractors are ranked here by CR Score, from 8 published factors. 10 are open 24/7, 70 open Saturdays and 31 open Sundays, based on posted hours. The median Google rating is 4.8★ across 108 rated businesses.
Top 10 insulation contractors in Dover at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | DoctorEnergySmart | 88 | 4.9★ (146) | Dover | Sat · Sun | Overall |
| 2 | Atticare | 87 | 4.9★ (820) | Wallington, 23 mi away | Sat · Sun · Evenings | Most reviews |
| 3 | Home Experts Inc | 86 | 4.9★ (459) | Fair Lawn, 22 mi away | Sat · Sun · Evenings | — |
| 4 | Thermal Shield Insulation | 86 | 4.9★ (106) | East Hanover, 12 mi away | Sat · Sun · Evenings | — |
| 5 | XPERT CHIMNEY SWEEP | 84 | 5.0★ (15) | Budd Lake, 5 mi away | Sat · Sun · Evenings | — |
| 6 | PRO MASTER CONSTRUCTION NJ LLC | 83 | 5.0★ (20) | Saddle Brook, 24 mi away | 24/7 | Emergencies |
| 7 | Home Insulation Experts Mine Hill | 82 | 4.7★ (15) | Budd Lake, 2 mi away | Sat · Sun · Evenings | — |
| 8 | Ace Handyman Services Bernards | 82 | 5.0★ (334) | Bernardsville, 13 mi away | Sat · Sun | — |
| 9 | Creative Home Services LLC | 81 | 4.2★ (10) | Haledon, 19 mi away | 24/7 | — |
| 10 | A. MAC Asbestos Removal Inc | 80 | 4.6★ (9) | Carlstadt, 24 mi away | 24/7 | — |
The 108 best insulation contractors in Dover, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
#2 Atticare
Based in Wallington, 23 mi away
87/100CR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 820 Google reviews, the most Google reviews on this list (820).
- 4.9★ from 820 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat–Sun 9 AM–6 PM
- Address
- 77 Paterson Ave, Wallington, NJ 07057
Based in Fair Lawn, 22 mi away
86/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 459 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 459 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 17-16 River Rd, Fair Lawn, NJ 07410
Based in East Hanover, 12 mi away
86/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 106 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 106 Google reviews
- Hours
- Mon–Sun 6 AM–10 PM
- Address
- 45 US-46 Suite 604, Pine Brook, NJ 07058
Based in Budd Lake, 5 mi away
84/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 15 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 11 Kings Pkwy, Ledgewood, NJ 07852
Based in Saddle Brook, 24 mi away
83/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 20 Google reviews, open 24/7.
- 5.0★ from 20 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 285 3rd St APT 1B, Saddle Brook, NJ 07663
Based in Budd Lake, 2 mi away
82/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 15 Google reviews
- Hours
- Mon–Sun 7:30 AM–8 PM
Based in Bernardsville, 13 mi away
82/100CR ScoreRanked #8 because of its Google rating and review volume: 5.0★ from 334 Google reviews, 334 Google reviews.
- 5.0★ from 334 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 233 Mt Airy Rd #100, Basking Ridge, NJ 07920
Based in Haledon, 19 mi away
81/100CR ScoreRanked #9 because of its Google rating and availability: 4.2★ from 10 Google reviews, open 24/7.
- 4.2★ from 10 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Carlstadt, 24 mi away
80/100CR ScoreRanked #10 because of its Google rating and availability: 4.6★ from 9 Google reviews, open 24/7.
- 4.6★ from 9 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 176 Saddle River Ave Building H, South Hackensack, NJ 07606
#11 ATTIC RAMZ LLC
Based in Linden, 23 mi away
80/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 27 Google reviews
- Hours
- Mon–Sat 8:30 AM–6 PM · Sun 9 AM–5 PM
- Address
- 1409 Thelma Terrace, Linden, NJ 07036
Based in Dover
80/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 91 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 91 Google reviews
- Hours
- Mon–Fri 8:30 AM–4:30 PM · Sat–Sun closed
- Address
- 200 Richards Ave, Dover, NJ 07801
Based in Elmwood Park, 23 mi away
80/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 111 Google reviews, open 24/7.
- 5.0★ from 111 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 194 Gilbert Ave, Elmwood Park, NJ 07407
#14 Quartz Solutions
Based in Bloomfield, 21 mi away
80/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 51 Google reviews, listed on Google as “Insulation contractor”.
- 4.8★ from 51 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 105 Floyd Ave #1g, Bloomfield, NJ 07003
Based in Somerville, 22 mi away
80/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 20 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 9 AM–6 PM · Sun 9 AM–5 PM
- Address
- 200 Parcview Pl Apartment 304, Somerville, NJ 08876
Based in Plainfield, 20 mi away
80/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 65 Google reviews
- Hours
- Mon–Sat 7 AM–6 PM · Sun closed
- Address
- 319 E 6th St, Plainfield, NJ 07060
Based in Newark, 23 mi away
79/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 15 Google reviews
- Hours
- Mon 7 AM–11 PM · Tue–Fri 7:30 AM–11 PM · Sat 7 AM–11 PM · Sun 7:30 AM–11 PM
- Address
- 3 gateway center Newark NJ #1208, Newark, NJ 07102
Based in West Milford, 18 mi away
79/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 48 Google reviews
- Hours
- Mon–Fri 8:30 AM–6 PM · Sat 9 AM–5 PM · Sun closed
Based in Newark, 21 mi away
79/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 9 Google reviews
- Hours
- Mon–Sun 8 AM–6 PM
- Address
- 21 Gladstone Ave, Newark, NJ 07106
Based in East Hanover, 12 mi away
78/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 15 Google reviews, listed on Google as “Insulation contractor”.
- 4.9★ from 15 Google reviews
- Hours
- Mon–Sat 7 AM–5 PM · Sun closed
- Address
- 2 Merry Ln, East Hanover, NJ 07936
Based in Morris Plains, 5 mi away
78/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Insulation contractor”.
- 4.5★ from 8 Google reviews
- Hours
- Mon–Fri 7:30 AM–6 PM · Sat 8 AM–2 PM · Sun closed
#22 NJP Insulation
Based in Paterson, 21 mi away
78/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 7 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
- Address
- 237 E 5th St, Paterson, NJ 07524
Based in Hawthorne, 22 mi away
78/100CR ScoreRanked #23 because of its Google rating and review volume: 5.0★ from 162 Google reviews, 162 Google reviews.
- 5.0★ from 162 Google reviews
- Hours
- Mon–Sat 7:30 AM–5 PM · Sun 10 AM–3 PM
- Address
- 525 Lafayette Ave, Hawthorne, NJ 07506
Based in Randolph, 4 mi away
77/100CR ScoreRanked #24 because of its Google rating and review volume: 4.8★ from 164 Google reviews, 164 Google reviews.
- 4.8★ from 164 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat 9 AM–1 PM · Sun closed
- Address
- 1248 Sussex Turnpike A1, Randolph, NJ 07869
Based in Montclair, 19 mi away
77/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.7★ from 29 Google reviews, listed on Google as “Insulation contractor”.
- 4.7★ from 29 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat 9 AM–3 PM · Sun closed
- Address
- 179 Glenridge Ave, Montclair, NJ 07042
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 108 ranked insulation contractors here; the rest are on their profiles.
Also serving Dover
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 |
|---|---|---|
| AllJersey Spray Foam LLC | 5.0★ (1) | 7 mi |
| Evelich II Insulation Corp | 3.0★ (2) | 24 mi |
| Ford's Home Improvement 56 | 3.0★ (2) | 20 mi |
| Home Energy Matters, Inc. | 3.0★ (2) | 16 mi |
| J Silver Design Build LLC | 1.0★ (1) | 13 mi |
| JB Insulation & Drywall | 5.0★ (2) | 19 mi |
| JLS Construction | 5.0★ (1) | 2 mi |
| M&M Attic-Solution & Insulation's & Roofing Service Linden, NJ | 5.0★ (2) | 24 mi |
| Marv Insulation LLC | 5.0★ (2) | 24 mi |
| Michael Angelo's Construction | 3.0★ (2) | 25 mi |
| North Attic-Solution & Insulation's & Roofing Service Riverdale, NJ | 4.5★ (2) | 16 mi |
| PCH Attic Insulation & Roofing Services | 2.5★ (2) | 21 mi |
| Perimeter Insulation Inc | 5.0★ (2) | 22 mi |
| Ribba Wood Working | 5.0★ (2) | 7 mi |
| SABBY Attic Insulation & Dryer Vent Cleaning Services Passaic, NJ | 4.5★ (2) | 23 mi |
| Steurer & Sons Constr LLC | 5.0★ (1) | 14 mi |
| The Home Insulators of Mahwah | 5.0★ (2) | 23 mi |
| United Spray Foam | 5.0★ (2) | 23 mi |
| Viola Construction Co Inc | 5.0★ (1) | 16 mi |
| Weather Seal Insulation | 3.0★ (1) | 5 mi |
How much do insulation contractors cost in Dover?
National price ranges in USD, not adjusted for Dover. 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 Dover insulation contractors
We scored 108 Dover 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 Dover 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 Dover: frequently asked questions
Who is the best insulation contractor in Dover?
By CR Score, the highest-ranked insulation contractor in Dover, NJ is DoctorEnergySmart with a CR Score of 88/100. It has 4.9★ from 146 Google reviews. It is open 7 days a week. Atticare (#2) and Home Experts Inc (#3) follow. We ranked 108 insulation contractors on 8 factors, last updated October 22, 2026.
How many insulation contractors are there in Dover?
ContractorsRanked ranks 108 insulation contractors serving Dover, NJ. 4 of them are based in Dover; 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 Dover are open 24/7?
10 ranked insulation contractors in Dover post 24/7 hours. The highest-ranked are PRO MASTER CONSTRUCTION NJ LLC (#6), Creative Home Services LLC (#9) and A. MAC Asbestos Removal Inc (#10). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which insulation contractors in Dover work on weekends?
70 of 108 ranked insulation contractors post Saturday hours and 31 post Sunday hours. The highest-ranked open Saturdays are DoctorEnergySmart (#1), Atticare (#2) and Home Experts Inc (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Dover?
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 Dover. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Dover insulation contractors have?
The median Google rating among 108 rated insulation contractors in Dover is 4.8★, with a median of 10 reviews. Atticare has the most, 820 reviews, and ranks #2. 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 Dover count in this ranking?
Yes, if they are within 25 mi of the Dover 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 Dover
- October 2026: CR Scores recalculated for 108 insulation contractors serving Dover.
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