44 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Middle Island: Healthy Basement Systems, CR Score 62/100; 4.8★ from 601 Google reviews; open Saturdays until 2 PM.
Best for emergencies (open 24/7): Mid Suffolk Handyman, posts 24/7 hours; ranked #9 of 44.
Most-reviewed: Home Comfort Practice, Inc., 1,222 Google reviews at 4.9★, the most of 44 ranked; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
44 Middle Island insulation contractors are ranked here by CR Score, from ten published factors. 4 are open 24/7, 24 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.9★ across 44 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Healthy Basement Systems | 62 | 4.8★ (601) | Medford, 6 mi away | Sat · Evenings | Overall |
| 2 | JP McHale Pest Management | 57 | 4.9★ (135) | Oakdale, 14 mi away | Sat | — |
| 3 | WeatherFoam Insulation | 57 | 5.0★ (83) | Coram, 5 mi away | — | — |
| 4 | Green Team LI | 57 | 4.7★ (387) | Holbrook, 10 mi away | — | — |
| 5 | Ivy Insulation | 57 | 5.0★ (48) | Patchogue, 10 mi away | Sat · Evenings | — |
| 6 | Suburban Exterminating | 57 | 4.8★ (148) | Riverhead, 15 mi away | Sat | — |
| 7 | Paramount Insulation | 56 | 5.0★ (21) | Centereach, 5 mi away | Sat · Evenings | — |
| 8 | Daddy Spray Foam Insulation Corporation | 56 | 5.0★ (18) | Medford, 3 mi away | Sat | — |
| 9 | Mid Suffolk Handyman | 56 | 4.3★ (54) | Centereach, 16 mi away | 24/7 | Emergencies |
| 10 | Thermathec | 56 | 4.2★ (10) | Shirley, 4 mi away | Sat · Sun · Evenings | — |
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: 4.8★ from 601 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oakdale, 14 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 135 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coram, 5 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 83 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Holbrook, 10 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 387 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Patchogue, 10 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Riverhead, 15 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 148 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Centereach, 5 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Medford, 3 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Centereach, 16 mi away
Ranked #9 because of its Google rating and trade focus: 4.3★ from 54 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Shirley, 4 mi away
Ranked #10 because of its Google rating and trade focus: 4.2★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Woodbridge, 8 mi away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milford, 25 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 153 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Middle Island
Ranked #13 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milford, 24 mi away
Ranked #14 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 Boyle Heights, 8 mi away
Ranked #15 because of its Google rating and review volume: 4.9★ from 60 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stratford, 23 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 1,222 Google reviews, the most in Middle Island.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calverton, 22 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bensonhurst, 8 mi away
Ranked #18 because of its Google rating and trade focus: 4.6★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ronkonkoma, 11 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Calverton, 8 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Hills, 23 mi away
Ranked #21 because of its Google rating and trade focus: 4.5★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Babylon, 16 mi away
Ranked #22 because of its Google rating and review volume: 4.9★ from 252 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bohemia, 11 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Bayport, 6 mi away
Ranked #24 because of its Google rating and trade focus: 4.3★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stratford, 24 mi away
Ranked #25 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Middle Island. 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 44 Middle Island 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 Middle Island 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 |