114 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Lower West Side: Air Flows Chicago - Belmont, CR Score 62/100; 5.0★ from 933 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): ABC Humane Wildlife Control and Prevention Inc., posts 24/7 hours; ranked #2 of 114.
Most-reviewed: Perma-Seal Basement Systems, 12,405 Google reviews at 4.9★, the most of 114 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
114 Lower West Side insulation contractors are ranked here by CR Score, from ten published factors. 11 are open 24/7, 68 open Saturdays and 31 open Sundays, based on posted hours. The median Google rating is 4.8★ across 114 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Air Flows Chicago - Belmont | 62 | 5.0★ (933) | Chicago, 6 mi away | Sat · Sun · Evenings | Overall |
| 2 | ABC Humane Wildlife Control and Prevention Inc. | 59 | 4.8★ (369) | Des Plaines, 17 mi away | 24/7 | Emergencies |
| 3 | Top Air Solutions | 56 | 4.9★ (602) | Glenview, 19 mi away | Sat · Evenings | — |
| 4 | Eco-Pro Insulation | 56 | 4.7★ (15) | Downers Grove, 3 mi away | Sat · Sun · Evenings | — |
| 5 | Clean Air Doctors | Insulation Company | Spray Foam Insulation | 56 | 4.8★ (111) | Chicago, 9 mi away | Sat · Evenings | — |
| 6 | Green Attic Insulation | 56 | 4.8★ (689) | Des Plaines, 19 mi away | Sat | — |
| 7 | Koala Insulation of SW Chicago | 55 | 4.9★ (288) | Countryside, 12 mi away | — | — |
| 8 | U.S. Home Services | 55 | 4.7★ (50) | Downers Grove, 12 mi away | Sat · Sun · Evenings | — |
| 9 | Perma-Seal Basement Systems | 55 | 4.9★ (12,405) | Burr Ridge, 15 mi away | Sat | Most reviews |
| 10 | Koala Insulation of Chicago - Western Suburbs | 55 | 5.0★ (489) | Lombard, 18 mi away | — | — |
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: 5.0★ from 933 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Des Plaines, 17 mi away
Ranked #2 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 Glenview, 19 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 602 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Downers Grove, 3 mi away
Ranked #4 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 Chicago, 9 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 111 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Des Plaines, 19 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 689 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Countryside, 12 mi away
Ranked #7 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 Downers Grove, 12 mi away
Ranked #8 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 Burr Ridge, 15 mi away
Ranked #9 because of its Google rating and review volume: 4.9★ from 12,405 Google reviews, the most in Lower West Side.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lombard, 18 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 489 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chicago, 10 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 57 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chicago, 6 mi away
Ranked #12 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 Elmhurst, 14 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lincolnwood, 11 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chicago, 3 mi away
Ranked #15 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Skokie, 13 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 213 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chicago, 8 mi away
Ranked #17 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 Village of Campton Hills, 16 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 74 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chicago, 4 mi away
Ranked #19 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.
Based in Chicago, 3 mi away
Ranked #20 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 Westchester, 11 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in East Garfield Park, 4 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Westmont, 17 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 Chicago, 6 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chicago, 5 mi away
Ranked #25 because of its Google rating and trade focus: 4.6★ from 56 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 Lower West Side. 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 114 Lower West Side 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 Lower West Side 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 |