67 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Port Jefferson: Healthy Basement Systems, CR Score 58/100; 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 #3 of 67.
Most-reviewed: Power Home Remodeling, 3,916 Google reviews at 4.6★, the most of 67 ranked; ranked #22.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
67 Port Jefferson insulation contractors are ranked here by CR Score, from ten published factors. 5 are open 24/7, 42 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 4.9★ across 67 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Healthy Basement Systems | 58 | 4.8★ (601) | Medford, 12 mi away | Sat · Evenings | Overall |
| 2 | WeatherFoam Insulation | 56 | 5.0★ (83) | Coram, 4 mi away | — | — |
| 3 | Mid Suffolk Handyman | 56 | 4.3★ (54) | Centereach, 13 mi away | 24/7 | Emergencies |
| 4 | JP McHale Pest Management | 56 | 4.9★ (135) | Oakdale, 14 mi away | Sat | — |
| 5 | Paramount Insulation | 56 | 5.0★ (21) | Centereach, 3 mi away | Sat · Evenings | — |
| 6 | Green Team LI | 56 | 4.7★ (387) | Holbrook, 11 mi away | — | — |
| 7 | New England Performance Insulation | 55 | 5.0★ (153) | Milford, 21 mi away | Sat | — |
| 8 | Ivy Insulation | 55 | 5.0★ (48) | Patchogue, 13 mi away | Sat · Evenings | — |
| 9 | Smart Energy Savers LLC | 54 | 4.6★ (11) | Woodbridge, 9 mi away | Sat · Sun · Evenings | — |
| 10 | Daddy Spray Foam Insulation Corporation | 54 | 5.0★ (18) | Medford, 8 mi away | Sat | — |
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: 4.8★ from 601 Google reviews, listed on Google as “Insulation contractor”.
Based in Coram, 4 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 83 Google reviews, listed on Google as “Insulation contractor”.
Based in Centereach, 13 mi away
Ranked #3 because of its Google rating and trade focus: 4.3★ from 54 Google reviews, listed on Google as “Insulation contractor”.
Based in Oakdale, 14 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 135 Google reviews, listed on Google as “Insulation contractor”.
Based in Centereach, 3 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based in Holbrook, 11 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 387 Google reviews, listed on Google as “Insulation contractor”.
Based in Milford, 21 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 153 Google reviews, listed on Google as “Insulation contractor”.
Based in Patchogue, 13 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Insulation contractor”.
Based in Woodbridge, 9 mi away
Ranked #9 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based in Medford, 8 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based in Riverhead, 22 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 148 Google reviews, listed on Google as “Insulation contractor”.
Based in Farmingdale, 25 mi away
Ranked #12 because of its Google rating and trade focus: 4.5★ from 46 Google reviews, listed on Google as “Insulation contractor”.
Based in Norwalk, 22 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based in Milford, 18 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 in Shirley, 12 mi away
Ranked #15 because of its Google rating and trade focus: 4.2★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based in Stratford, 16 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 1,222 Google reviews.
Based in Middle Island, 7 mi away
Ranked #17 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based in Bridgeport, 20 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based in West Hills, 19 mi away
Ranked #19 because of its Google rating and trade focus: 4.5★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based in Bethel, 22 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Insulation contractor”.
Based in Stratford, 17 mi away
Ranked #21 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based in Melville, 21 mi away
Ranked #22 because of its Google rating and review volume: 4.6★ from 3,916 Google reviews, the most in Port Jefferson.
Based in Ronkonkoma, 11 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based in Bay Shore, 22 mi away
Ranked #24 because of its Google rating and trade focus: 4.5★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based in Huntington Station, 20 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
National price ranges in USD, not adjusted for Port Jefferson. 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 67 Port Jefferson 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 Port Jefferson 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 |