33 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Shirley: Healthy Basement Systems, CR Score 87/100; 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 #2 of 33.
Most-reviewed: Hytech Home, 475 Google reviews at 4.8★, the most of 33 ranked after Healthy Basement Systems; ranked #19.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
33 Shirley insulation contractors are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 18 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.9★ across 33 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Healthy Basement Systems | 87 | 4.8★ (601) | Medford, 4 mi away | Sat · Evenings | Overall |
| 2 | Mid Suffolk Handyman | 83 | 4.3★ (54) | Centereach, 19 mi away | 24/7 | Emergencies |
| 3 | Thermathec | 83 | 4.2★ (10) | Shirley | Sat · Sun · Evenings | — |
| 4 | JP McHale Pest Management | 82 | 4.9★ (135) | Oakdale, 15 mi away | Sat | — |
| 5 | Suburban Exterminating | 82 | 4.8★ (148) | Riverhead, 14 mi away | Sat | — |
| 6 | Ivy Insulation | 82 | 5.0★ (48) | Patchogue, 9 mi away | Sat · Evenings | — |
| 7 | JP McHale Pest Management | 81 | 4.9★ (219) | Hampton Bays, 22 mi away | Sat | — |
| 8 | Smart Energy Savers LLC | 81 | 4.6★ (11) | Woodbridge, 10 mi away | Sat · Sun · Evenings | — |
| 9 | Eli Construction Services Inc | 80 | 5.0★ (5) | Calverton, 22 mi away | 24/7 | — |
| 10 | Daddy Spray Foam Insulation Corporation | 80 | 5.0★ (18) | Medford, 7 mi away | Sat | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.8★ from 601 Google reviews, the most Google reviews on this list (601).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Centereach, 19 mi away
Ranked #2 because of its Google rating and availability: 4.3★ from 54 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Shirley
Ranked #3 because of its Google rating and trade focus: 4.2★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Oakdale, 15 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 on 6 of 8 factors; credentials and recency not yet collected.
Based in Riverhead, 14 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 148 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Patchogue, 9 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hampton Bays, 22 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 219 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Woodbridge, 10 mi away
Ranked #8 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Calverton, 22 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Medford, 7 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 on 6 of 8 factors; credentials and recency not yet collected.
Based in Holbrook, 11 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 387 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Centereach, 11 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Coram, 12 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 83 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Boyle Heights, 10 mi away
Ranked #14 because of its Google rating and availability: 4.9★ from 60 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bohemia, 12 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Middle Island, 7 mi away
Ranked #16 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Babylon, 15 mi away
Ranked #17 because of its Google rating and review volume: 4.9★ from 252 Google reviews, 252 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Shirley
Ranked #18 because of its Google rating and review volume: 4.7★ from 35 Google reviews, 35 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bay Shore, 22 mi away
Ranked #19 because of its Google rating and review volume: 4.8★ from 475 Google reviews, 475 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Calverton, 9 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 6 of 8 factors; credentials and recency not yet collected.
Based in Ronkonkoma, 13 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Center Moriches, 4 mi away
Ranked #22 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bensonhurst, 10 mi away
Ranked #23 because of its Google rating and trade focus: 4.6★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bayport, 4 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 6 of 8 factors; credentials and recency not yet collected.
Based in Holbrook, 11 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #33, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | SunComfort Solutions | 72 | 5.0★ (12) | 6 mi |
| 27 | Delfino Co. | 71 | 3.5★ (12) | 13 mi |
| 28 | Hunter Insulation | 71 | 5.0★ (4) | 14 mi |
| 29 | B&C Carpentry & Landscaping Inc | 70 | 3.7★ (6) | 15 mi |
| 30 | Cary Insulation | 70 | 3.0★ (14) | 14 mi |
| 31 | Zavza Seal LLC | 69 | 5.0★ (11) | 4 mi |
| 32 | Sanchez Insulation Inc. | 69 | 5.0★ (4) | 21 mi |
| 33 | J P Hunter Co Inc | 67 | 4.5★ (52) | 14 mi |
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 |
|---|---|---|
| All Ways construction inc | 5.0★ (112) | In Shirley |
| ecotec spray foam | 5.0★ (2) | 21 mi |
| Efficiency Contractor | 5.0★ (2) | 24 mi |
| energy saving solutions ny | 6 mi | |
| Energy Saving Solutions NY | 1.0★ (1) | In Shirley |
| Energy Saving Solutions NY | 1 mi | |
| Hailey Insulation Corp | 5.0★ (1) | 10 mi |
| Hailey Insulation Corporation | 5.0★ (1) | 15 mi |
| Infinity Construction Corp | 4.8★ (95) | In Shirley |
| INSULATION PROS NYC | 5.0★ (1) | 10 mi |
| J&G Contractor, Inc. | 5.0★ (1) | 6 mi |
| Kaskade Home | 1.0★ (1) | 21 mi |
| LI Craftsmanship Inc | 5.0★ (1) | 12 mi |
| PRECISION INSULATION | 3 mi | |
| RFJ Insulation Contractor | 5.0★ (2) | 22 mi |
| Shirley Drywall Installation | In Shirley | |
| Spray Foam NY Inc | 5 mi | |
| Spray Kings Insulation | 5.0★ (1) | 11 mi |
| T & T Insulation LLC | 5.0★ (1) | In Shirley |
| The Vinyl Siding Guys | 5.0★ (38) | In Shirley |
National price ranges in USD, not adjusted for Shirley. 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 33 Shirley 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 Shirley 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 |