120 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Northbrook: Air Flows Chicago - Belmont, CR Score 88/100; 5.0★ from 933 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Comfort Style HVAC Heating & Cooling, posts 24/7 hours; ranked #4 of 120.
Most-reviewed: Green Attic Insulation, 689 Google reviews at 4.8★, the most of 120 ranked after Air Flows Chicago - Belmont; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
120 Northbrook insulation contractors are ranked here by CR Score, from 8 published factors. 10 are open 24/7, 68 open Saturdays and 33 open Sundays, based on posted hours. The median Google rating is 4.8★ across 120 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Air Flows Chicago - Belmont | 88 | 5.0★ (933) | Chicago, 15 mi away | Sat · Sun · Evenings | Overall |
| 2 | Top Air Solutions | 86 | 4.9★ (602) | Glenview, 3 mi away | Sat · Evenings | — |
| 3 | Green Attic Insulation | 84 | 4.8★ (689) | Des Plaines, 9 mi away | Sat | Most reviews |
| 4 | Comfort Style HVAC Heating & Cooling | 83 | 5.0★ (106) | Prospect Heights, 4 mi away | 24/7 | Emergencies |
| 5 | Williams Roofing & Insulation | 83 | 4.2★ (128) | Des Plaines, 10 mi away | 24/7 | — |
| 6 | Chicago Green Insulation, Inc. | 83 | 4.9★ (189) | Highland Park, 4 mi away | Sat | — |
| 7 | Green Rodent Restoration | 82 | 5.0★ (9) | Lake Bluff, 12 mi away | 24/7 | — |
| 8 | Eco Tec Insulation | Certified Roofing & Insulation Contractors Chicago & Suburbs | 82 | 4.8★ (213) | Skokie, 8 mi away | Sat · Sun · Evenings | — |
| 9 | Accurate HVAC and Home Repair | 81 | 4.8★ (19) | Elk Grove Village, 7 mi away | 24/7 | — |
| 10 | M&M Home Remodeling Services - Arlington Heights | 81 | 4.9★ (426) | Arlington Heights, 9 mi away | Sat · Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 933 Google reviews, listed on Google as “Insulation contractor”.
Based in Glenview, 3 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 602 Google reviews, listed on Google as “Insulation contractor”.
Based in Des Plaines, 9 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 689 Google reviews, listed on Google as “Insulation contractor”.
Based in Prospect Heights, 4 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 106 Google reviews, open 24/7.
Based in Des Plaines, 10 mi away
Ranked #5 because of its Google rating and availability: 4.2★ from 128 Google reviews, open 24/7.
Based in Highland Park, 4 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 189 Google reviews, listed on Google as “Insulation contractor”.
Based in Lake Bluff, 12 mi away
Ranked #7 because of its Google rating and availability: 5.0★ from 9 Google reviews, open 24/7.
Based in Skokie, 8 mi away
Ranked #8 because of its Google rating and availability: 4.8★ from 213 Google reviews, open 7 days a week.
Based in Elk Grove Village, 7 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Insulation contractor”.
Based in Arlington Heights, 9 mi away
Ranked #10 because of its Google rating and review volume: 4.9★ from 426 Google reviews, 426 Google reviews.
Based in Bensenville, 12 mi away
Ranked #11 because of its Google rating and availability: 4.2★ from 5 Google reviews, open 24/7.
Based in Lake Zurich, 14 mi away
Ranked #12 because of its Google rating and availability: 4.9★ from 99 Google reviews, open 24/7.
Based in Schaumburg, 13 mi away
Ranked #13 because of its Google rating and trade focus: 4.3★ from 94 Google reviews, listed on Google as “Insulation contractor”.
Based in Chicago, 13 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 111 Google reviews, listed on Google as “Insulation contractor”.
Based in Glenview, 3 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 91 Google reviews, listed on Google as “Insulation contractor”.
Based in Schaumburg, 16 mi away
Ranked #16 because of its Google rating and availability: 4.9★ from 111 Google reviews, open 24/7.
Based in Roselle, 16 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based in Chicago, 10 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 57 Google reviews, listed on Google as “Insulation contractor”.
Based in Lincolnwood, 10 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Insulation contractor”.
Based in Rolling Meadows, 11 mi away
Ranked #20 because of its Google rating and trade focus: 4.2★ from 17 Google reviews, listed on Google as “Insulation contractor”.
Based in Downers Grove, 22 mi away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 50 Google reviews, listed on Google as “Insulation contractor”.
Based in Des Plaines, 6 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 20 Google reviews, listed on Google as “Insulation contractor”.
Based in Rolling Meadows, 11 mi away
Ranked #23 because of its Google rating and trade focus: 4.5★ from 180 Google reviews, listed on Google as “Insulation contractor”.
Based in Northbrook
Ranked #24 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Insulation contractor”.
Based in Glencoe, 4 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
#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 120 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 |
|---|---|---|
| Advanced Insulation, Inc | 5.0★ (2) | 19 mi |
| AEZ Restoration Inc. | 5.0★ (10) | In Northbrook |
| All Seasons Exteriors Inc | 5.0★ (2) | 5 mi |
| All Star Products | 4.6★ (62) | In Northbrook |
| American Weathermakers Inc | 4.8★ (872) | In Northbrook |
| Apex Rodent Proofing and Insulation | 5.0★ (2) | 10 mi |
| AS & JB | 5.0★ (2) | 21 mi |
| Azrikam The Price Is Right Heating & Air Conditioning HVAC | 5.0★ (697) | In Northbrook |
| Aztec Inc. | 5.0★ (2) | 24 mi |
| Energy Efficient Building Systems By Solarcrete | 5.0★ (2) | 19 mi |
| Friedman Insulation Company | 5.0★ (1) | 7 mi |
| Len Roofing & Remodeling | 4.9★ (64) | In Northbrook |
| Levy Co | 4.3★ (11) | In Northbrook |
| Nailed It North Shore LLC | 4.9★ (72) | In Northbrook |
| Northern | 5.0★ (2) | 21 mi |
| Nu-Concepts Windows, Siding, and Exterior Decorating Co | 4.8★ (53) | In Northbrook |
| SOL Hardwood Floor Refinishing | 5.0★ (34) | In Northbrook |
| TD Pro Tile Installation Contractors | 4.9★ (46) | In Northbrook |
| Thermal Foam Insulation | 5.0★ (2) | 13 mi |
| Zags Roofing | 4.9★ (44) | In Northbrook |
National price ranges in USD, not adjusted for Northbrook. 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 120 Northbrook 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 Northbrook 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 |