29 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Lowell: Indiana Spray Foam, CR Score 85/100; 4.9★ from 805 Google reviews.
Most-reviewed: Tri-County Roofing & Gutters, 320 Google reviews at 4.8★, the most of 29 ranked after Indiana Spray Foam; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
29 Lowell insulation contractors are ranked here by CR Score, from 8 published factors. 13 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.9★ across 29 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Indiana Spray Foam | 85 | 4.9★ (805) | Lowell | — | Overall |
| 2 | NM Enterprise's Energy Solutions | 81 | 5.0★ (44) | Dyer, 11 mi away | Sat | — |
| 3 | Gasca Spray Foam Insulation & Roofing | 80 | 5.0★ (17) | Steger, 16 mi away | — | — |
| 4 | NM Enterprise's Energy Solutions | 79 | 4.9★ (34) | Merrillville, 12 mi away | Sat | — |
| 5 | Dream Work Contracting | 78 | 5.0★ (9) | Hobart, 16 mi away | — | — |
| 6 | Shamrock Wildlife Services | 77 | 4.9★ (245) | Gary, 22 mi away | — | — |
| 7 | Sub-Cooled Heating and Air Conditioning | 77 | 4.9★ (198) | Portage, 23 mi away | Sat · Sun | — |
| 8 | Thornton Insulation Contractors | 76 | 5.0★ (8) | Frankfort, 10 mi away | Sat | — |
| 9 | Qute Insulation | 76 | 4.6★ (17) | Lynwood, 16 mi away | Sat | — |
| 10 | Case Insulation Inc | 76 | 5.0★ (3) | Monee, 17 mi away | Sat · Sun · Evenings | — |
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: 4.9★ from 805 Google reviews, the most Google reviews on this list (805).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Dyer, 11 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Steger, 16 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Merrillville, 12 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hobart, 16 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Gary, 22 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 245 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Portage, 23 mi away
Ranked #7 because of its Google rating and review volume: 4.9★ from 198 Google reviews, 198 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Frankfort, 10 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lynwood, 16 mi away
Ranked #9 because of its Google rating and trade focus: 4.6★ from 17 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Monee, 17 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Crown Point, 10 mi away
Ranked #11 because of its Google rating and trade focus: 4.4★ from 78 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in South Holland, 23 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 71 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Crestwood, 13 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in South Holland, 24 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 58 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bourbonnais, 25 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 6 of 8 factors; credentials and recency not yet collected.
Based in Merrillville, 12 mi away
Ranked #16 because of its Google rating and trade focus: 3.9★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Crown Point, 10 mi away
Ranked #17 because of its Google rating and review volume: 4.5★ from 239 Google reviews, 239 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Valparaiso, 22 mi away
Ranked #18 because of its Google rating and review volume: 4.8★ from 320 Google reviews, 320 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Valparaiso, 23 mi away
Ranked #19 because of its Google rating and review volume: 4.8★ from 240 Google reviews, 240 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hobart, 19 mi away
Ranked #20 because of its Google rating and trade focus: 4.1★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chesterton, 23 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hammond, 21 mi away
Ranked #22 because of its Google rating and trade focus: 3.4★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Crown Point, 15 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Painter”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Gary, 19 mi away
Ranked #24 because of its Google rating and trade focus: 4.4★ from 9 Google reviews, listed on Google as “Painter”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cedar Lake, 22 mi away
Ranked #25 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “Animal control service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #29, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Eenigenburg Roofing & Insulation | 64 | 4.1★ (11) | 24 mi |
| 27 | Green Construction Holmes Builders LLC | 63 | 4.9★ (7) | 22 mi |
| 28 | CR Painting | 62 | 5.0★ (10) | 23 mi |
| 29 | In N Out Construction | 61 | 2.0★ (4) | 13 mi |
7 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 |
|---|---|---|
| BrandSafway LLC East Hazel Crest | 23 mi | |
| BROCK INDUSTRIAL | 23 mi | |
| Energy Tech Insulations 2, Inc. | 5.0★ (2) | 22 mi |
| Gray's Total Green Energy Solutions LLC | 4.4★ (127) | In Lowell |
| In Insulation Solutions Inc | 5.0★ (1) | 21 mi |
| Northcoat Inc. | 5.0★ (2) | 6 mi |
| SOS Spray Foam INC | 18 mi |
National price ranges in USD, not adjusted for Lowell. 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 29 Lowell 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 Lowell 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 |