76 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Flossmoor: ABC Humane Wildlife Control and Prevention Inc., CR Score 59/100; 4.8★ from 369 Google reviews; open 24/7.
Best for emergencies (open 24/7): ABC Humane Wildlife Control and Prevention Inc., posts 24/7 hours; ranked #16 of 76.
Most-reviewed: Perma-Seal Basement Systems, 12,405 Google reviews at 4.9★, the most of 76 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
76 Flossmoor insulation contractors are ranked here by CR Score, from ten published factors. 6 are open 24/7, 39 open Saturdays and 13 open Sundays, based on posted hours. The median Google rating is 4.8★ across 76 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | ABC Humane Wildlife Control and Prevention Inc. | 59 | 4.8★ (369) | Des Plaines, 17 mi away | 24/7 | Overall |
| 2 | ARC Insulation | 56 | 4.9★ (609) | Romeoville, 22 mi away | Sat | — |
| 3 | Gasca Spray Foam Insulation & Roofing | 55 | 5.0★ (17) | Steger, 6 mi away | — | — |
| 4 | NM Enterprise's Energy Solutions | 55 | 5.0★ (44) | Dyer, 11 mi away | Sat | — |
| 5 | Titanium Inc | 54 | 4.8★ (44) | Markham, 5 mi away | — | — |
| 6 | Koala Insulation of SW Chicago | 54 | 4.9★ (288) | Countryside, 18 mi away | — | — |
| 7 | Perma-Seal Basement Systems | 54 | 4.9★ (12,405) | Burr Ridge, 19 mi away | Sat | Most reviews |
| 8 | Case Insulation Inc | 54 | 5.0★ (3) | Monee, 9 mi away | Sat · Sun · Evenings | — |
| 9 | Qute Insulation | 54 | 4.6★ (17) | Lynwood, 8 mi away | Sat | — |
| 10 | South Chicago Insulation, LLC | 54 | 4.8★ (41) | New Lenox, 14 mi away | Sat | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 in Flossmoor
Based in Des Plaines, 17 mi away
Ranked #1 because of its Google rating and trade focus: 4.8★ from 369 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Romeoville, 22 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 609 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Steger, 6 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 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Dyer, 11 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Markham, 5 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 44 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Countryside, 18 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 288 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burr Ridge, 19 mi away
Ranked #7 because of its Google rating and review volume: 4.9★ from 12,405 Google reviews, the most in Flossmoor.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Monee, 9 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lynwood, 8 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 8 of 10 factors; credentials and recency not yet collected.
Based in New Lenox, 14 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 41 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oak Lawn, 11 mi away
Ranked #11 because of its Google rating and trade focus: 4.5★ from 46 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Downers Grove, 21 mi away
Ranked #12 because of its Google rating and trade focus: 4.7★ from 50 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lowell, 24 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 805 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lockport, 19 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Holland, 5 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 71 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lisle, 17 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 309 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Deerfield, 17 mi away
Ranked #17 because of its Google rating and review volume: 4.9★ from 300 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Downers Grove, 19 mi away
Ranked #18 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Elgin, 17 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 62 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Merrillville, 16 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 34 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chicago, 16 mi away
Ranked #21 because of its Google rating and trade focus: 4.2★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Downers Grove, 13 mi away
Ranked #22 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 Westmont, 22 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Holland, 6 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 58 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Orland Park, 11 mi away
Ranked #25 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.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 76 ranked insulation contractors here; the rest are on their profiles.
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 |
|---|---|---|
| A Smart Homes Insulation | 5.0★ (2) | 11 mi |
| Add More Insulation Inc | 5.0★ (1) | 17 mi |
| AS & JB | 5.0★ (2) | 21 mi |
| Attic Pro | 5.0★ (1) | 18 mi |
| Aztec Inc. | 5.0★ (2) | 17 mi |
| Bay Insulation of Illinois Inc | 5.0★ (1) | 17 mi |
| Divine Foam Insulation | 5.0★ (1) | 6 mi |
| EcoPolySeal Spray Foam Insulation | 5.0★ (1) | 9 mi |
| Energy Efficient Building Systems By Solarcrete | 5.0★ (2) | 22 mi |
| HEC Insulation and Roofing | 5.0★ (2) | 18 mi |
| In Insulation Solutions Inc | 5.0★ (1) | 12 mi |
| insultech of chicago | 1.0★ (2) | 10 mi |
| Kirobe Construction, Inc | 1.0★ (2) | 16 mi |
| KP Quality Construction | 5.0★ (1) | 19 mi |
| M & O Environmental Company | 5.0★ (1) | 8 mi |
| Midwest Energy Audits Inc | 5.0★ (1) | 11 mi |
| Northcoat Inc. | 5.0★ (2) | 16 mi |
| Oak Lawn Spray Foam Attic Insulation | 1.0★ (1) | 11 mi |
| Southwest Insulation, Inc. | 5.0★ (2) | 7 mi |
| T&J Attic Insulation Solution | 5.0★ (1) | 20 mi |
National price ranges in USD, not adjusted for Flossmoor. 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 76 Flossmoor 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 Flossmoor 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 |