13 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Northfield: A Plus Spray Foam & Coatings, LLC, CR Score 62/100; 5.0★ from 113 Google reviews; open Saturdays until 5 PM.
Best for emergencies (open 24/7): Allstate Insulation, posts 24/7 hours; ranked #2 of 13.
Most-reviewed: GreenLife Energy Solutions, 293 Google reviews at 4.8★, the most of 13 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
13 Northfield insulation contractors are ranked here by CR Score, from ten published factors. 2 are open 24/7, 8 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.8★ across 13 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | A Plus Spray Foam & Coatings, LLC | 62 | 5.0★ (113) | Absecon, 3 mi away | Sat | Overall |
| 2 | Allstate Insulation | 56 | 5.0★ (4) | Vineland, 13 mi away | 24/7 | Emergencies |
| 3 | GreenLife Energy Solutions | 56 | 4.8★ (293) | Absecon, 2 mi away | — | Most reviews |
| 4 | The Insulation-Heating & Cooling Group | 55 | 4.7★ (146) | Hammonton, 21 mi away | — | — |
| 5 | LUZZ Roofing Services & Attic Insulation Inc, NJ | 55 | 4.8★ (25) | Ventnor City, 4 mi away | Sat · Evenings | — |
| 6 | HQ INSULATION ,LLC | 54 | 4.3★ (6) | Linwood, 2 mi away | — | — |
| 7 | Amira Spray Foam | 54 | 5.0★ (6) | Atlantic City, 13 mi away | Sat | — |
| 8 | Spray Foam Genie Philadelphia | 53 | 5.0★ (5) | Glassboro, 25 mi away | 24/7 | — |
| 9 | US Attic Insulation & Dryer Vent Cleaning Service Margate City, NJ | 53 | 5.0★ (4) | Margate City, 4 mi away | Sat · Sun · Evenings | — |
| 10 | RBL Attic Insulation & Roofing Services Inc, NJ | 52 | 4.4★ (5) | Northfield | Sat · Evenings | — |
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 113 Google reviews, listed on Google as “Insulation contractor”.
Based in Vineland, 13 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based in Absecon, 2 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 293 Google reviews, the most in Northfield.
Based in Hammonton, 21 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 146 Google reviews, listed on Google as “Insulation contractor”.
Based in Ventnor City, 4 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Roofing contractor”.
Based in Linwood, 2 mi away
Ranked #6 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based in Atlantic City, 13 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based in Glassboro, 25 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Margate City, 4 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Contractor”.
Based in Northfield
Ranked #10 because of its Google rating and trade focus: 4.4★ from 5 Google reviews, listed on Google as “Contractor”.
Based in Pleasantville, 3 mi away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “HVAC contractor”.
Based in Mystic Island, 20 mi away
Ranked #12 because of its Google rating and trade focus: 4.5★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based in Atlantic City, 7 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “General contractor”.
11 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 |
|---|---|---|
| AC Power Pressure Washing Pro's by Big Bill | 5 mi | |
| Apex East Roofing | 5.0★ (303) | In Northfield |
| ATeam OC Residential Services LLC | 5.0★ (1) | 11 mi |
| Brittin Built | 20 mi | |
| Coastal Insulation Corporation | 18 mi | |
| Eastern Aluminum Services | 20 mi | |
| Fortune Insulation & Spray Foam Contractors | 1.0★ (1) | 4 mi |
| Four Seasons Insulation | 6 mi | |
| Insulation C2C | 5.0★ (1) | 19 mi |
| Mpf Insulation Llc | 4 mi | |
| The Insulation Heating & Cooling Group | 22 mi |
National price ranges in USD, not adjusted for Northfield. 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 13 Northfield 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 Northfield 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 |