41 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Zion: Top Air Solutions, CR Score 59/100; 4.9★ from 602 Google reviews; open Saturdays until 8 PM.
Best for emergencies (open 24/7): Green Rodent Restoration, posts 24/7 hours; ranked #3 of 41.
Most-reviewed: Ace Handyman Services SE Wisconsin, 282 Google reviews at 4.8★, the most of 41 ranked after Top Air Solutions; ranked #20.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
41 Zion insulation contractors are ranked here by CR Score, from ten published factors. 4 are open 24/7, 22 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 4.9★ across 41 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Top Air Solutions | 59 | 4.9★ (602) | Glenview, 25 mi away | Sat · Evenings | Overall |
| 2 | Chicago Green Insulation, Inc. | 58 | 4.9★ (189) | Highland Park, 18 mi away | Sat | — |
| 3 | Green Rodent Restoration | 57 | 5.0★ (9) | Lake Bluff, 11 mi away | 24/7 | Emergencies |
| 4 | Always Nature's Way Wildlife Removal | 57 | 4.4★ (25) | Fox Lake, 3 mi away | — | — |
| 5 | Racine Home Insulators, LLC | 57 | 4.7★ (57) | Racine, 17 mi away | Sat · Sun · Evenings | — |
| 6 | Koala Insulation of Northern Illinois | 56 | 5.0★ (156) | Wauconda, 21 mi away | — | — |
| 7 | ALL ABOUT INSULATION | 55 | 4.9★ (55) | Mount Pleasant, 19 mi away | Sat | — |
| 8 | CNG INSULATION LLC | 55 | 5.0★ (3) | Zion | Sat · Evenings | — |
| 9 | SMT Spray Foam | 55 | 5.0★ (17) | Libertyville, 13 mi away | Sat | — |
| 10 | BMB Insulation, Inc | 55 | 4.8★ (43) | Fox Lake, 13 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 review volume: 4.9★ from 602 Google reviews, the most in Zion.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Highland Park, 18 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 189 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Bluff, 11 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fox Lake, 3 mi away
Ranked #4 because of its Google rating and trade focus: 4.4★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Racine, 17 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 57 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wauconda, 21 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 156 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mount Pleasant, 19 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 55 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Zion
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 Libertyville, 13 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fox Lake, 13 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 43 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waukegan, 8 mi away
Ranked #11 because of its Google rating and trade focus: 3.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Glenview, 25 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 91 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Elk Grove Village, 25 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Northbrook, 21 mi away
Ranked #14 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 Prospect Heights, 24 mi away
Ranked #15 because of its Google rating and review volume: 5.0★ from 106 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Zurich, 22 mi away
Ranked #16 because of its Google rating and review volume: 4.9★ from 99 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Buffalo Grove, 19 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fox Lake, 14 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Mundelein, 17 mi away
Ranked #19 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 Kenosha, 9 mi away
Ranked #20 because of its Google rating and review volume: 4.8★ from 282 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Bluff, 12 mi away
Ranked #21 because of its Google rating and trade focus: 4.3★ from 15 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Woodstock, 25 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Villa, 13 mi away
Ranked #23 because of its Google rating and trade focus: 4.4★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Glencoe, 22 mi away
Ranked #24 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 Kenosha, 16 mi away
Ranked #25 because of its Google rating and trade focus: 4.4★ from 13 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 #41, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Paragon Insulation & Services | 51 | 4.6★ (54) | 25 mi |
| 27 | Holian Industries | 51 | 4.8★ (6) | 21 mi |
| 28 | Piccaso's Painting Corp | 51 | 5.0★ (3) | 16 mi |
| 29 | Rubens Spray Insulation Inc | 50 | 4.1★ (14) | 16 mi |
| 30 | FOAMUS | 50 | 5.0★ (4) | 19 mi |
| 31 | Astro Insulation | 50 | 4.4★ (7) | 24 mi |
| 32 | Quality Home Restorations Inc. | 50 | 5.0★ (20) | 7 mi |
| 33 | Altmann Drywall & Painting Contractor | 50 | 3.7★ (3) | 20 mi |
| 34 | Advanced Energy Services | 50 | 4.2★ (5) | 15 mi |
| 35 | Wisconsin Spray Foam Insulation | 49 | 5.0★ (3) | 16 mi |
| 36 | Ace Handyman Services Northern McHenry Western Lake Counties | 49 | 4.9★ (278) | 24 mi |
| 37 | RBC - Attic Insulation & Roofing Services Co, IL | 49 | 4.8★ (23) | 23 mi |
| 38 | Nelson | 49 | 4.0★ (8) | 20 mi |
| 39 | Illinois Stucco Contractors | Stucco Repair & Stucco Installation | 47 | 5.0★ (29) | 23 mi |
| 40 | Flow Attic Ventilation | 46 | 5.0★ (12) | 22 mi |
| 41 | Eco Air Duct Cleaning | 44 | 4.3★ (6) | 22 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 |
|---|---|---|
| a to z insulation | 5.0★ (1) | 21 mi |
| Advanced Insulation, Inc | 5.0★ (2) | 14 mi |
| All Seasons Exteriors Inc | 5.0★ (2) | 22 mi |
| BIOFOAM Inc. | 5.0★ (1) | 21 mi |
| Conway Attic Insulation & Duct Cleaning | 18 mi | |
| Ems Insulation Co. | 1.0★ (1) | 21 mi |
| Foam Insulation Professionals | 4.5★ (2) | 10 mi |
| Insulation Plus | 4.0★ (1) | 6 mi |
| Kenosha Insulation LLC | 9 mi | |
| Local insulation 365 | 15 mi | |
| Midwest Insulation | 5.0★ (1) | 14 mi |
| miguel becerra | 13 mi | |
| Morrison Home Services | 16 mi | |
| Northern | 5.0★ (2) | 15 mi |
| Pro-Fusion Energy Solutions Inc. | 16 mi | |
| RJR Insulation | 15 mi | |
| Sanchez Insulation | 5.0★ (1) | 3 mi |
| Smart Innovative Group Inc. | 10 mi | |
| STF 4U & Chicagoland Energy Audits | 12 mi | |
| Thermo Help | 18 mi |
National price ranges in USD, not adjusted for Zion. 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 41 Zion 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 Zion 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 |