122 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Harwood Heights: 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 #4 of 122.
Most-reviewed: Perma-Seal Basement Systems, 12,405 Google reviews at 4.9★, the most of 122 ranked; ranked #19.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
122 Harwood Heights insulation contractors are ranked here by CR Score, from ten published factors. 13 are open 24/7, 72 open Saturdays and 34 open Sundays, based on posted hours. The median Google rating is 4.8★ across 122 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 | Top Air Solutions | 59 | 4.9★ (602) | Glenview, 9 mi away | Sat · Evenings | — |
| 3 | Green Attic Insulation | 58 | 4.8★ (689) | Des Plaines, 8 mi away | Sat | — |
| 4 | ABC Humane Wildlife Control and Prevention Inc. | 58 | 4.8★ (369) | Des Plaines, 19 mi away | 24/7 | Emergencies |
| 5 | Clean Air Doctors | Insulation Company | Spray Foam Insulation | 56 | 4.8★ (111) | Chicago, 7 mi away | Sat · Evenings | — |
| 6 | Epic Comfort | 56 | 4.8★ (57) | Chicago, 5 mi away | Sat | — |
| 7 | Koala Insulation of Chicago - Western Suburbs | 56 | 5.0★ (489) | Lombard, 14 mi away | — | — |
| 8 | Crawlspaces.com | 56 | 5.0★ (53) | Elmhurst, 8 mi away | Sat | — |
| 9 | Eco Tec Insulation | Certified Roofing & Insulation Contractors Chicago & Suburbs | 56 | 4.8★ (213) | Skokie, 5 mi away | Sat · Sun · Evenings | — |
| 10 | ProList123 | 56 | 5.0★ (31) | Lincolnwood, 6 mi away | Sun · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 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, 9 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, 8 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 Des Plaines, 19 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 369 Google reviews, listed on Google as “Insulation contractor”.
Based in Chicago, 7 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 in Chicago, 5 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 57 Google reviews, listed on Google as “Insulation contractor”.
Based in Lombard, 14 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 489 Google reviews, listed on Google as “Insulation contractor”.
Based in Elmhurst, 8 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Insulation contractor”.
Based in Skokie, 5 mi away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 213 Google reviews, listed on Google as “Roofing contractor”.
Based in Lincolnwood, 6 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Insulation contractor”.
Based in Downers Grove, 12 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 50 Google reviews, listed on Google as “Insulation contractor”.
Based in Highland Park, 15 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 189 Google reviews, listed on Google as “Insulation contractor”.
Based in Bensenville, 7 mi away
Ranked #13 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Elgin, 5 mi away
Ranked #14 because of its Google rating and trade focus: 4.3★ from 116 Google reviews, listed on Google as “Insulation contractor”.
Based in Glenview, 9 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 Countryside, 14 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 288 Google reviews, listed on Google as “Insulation contractor”.
Based in Chicago, 4 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 in Village of Campton Hills, 12 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 in Burr Ridge, 16 mi away
Ranked #19 because of its Google rating and review volume: 4.9★ from 12,405 Google reviews, the most in Harwood Heights.
Based in Elk Grove Village, 12 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Insulation contractor”.
Based in Des Plaines, 7 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 20 Google reviews, listed on Google as “Insulation contractor”.
Based in Roselle, 14 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based in Schaumburg, 14 mi away
Ranked #23 because of its Google rating and trade focus: 4.3★ from 94 Google reviews, listed on Google as “Insulation contractor”.
Based in Rolling Meadows, 13 mi away
Ranked #24 because of its Google rating and trade focus: 4.5★ from 180 Google reviews, listed on Google as “Insulation contractor”.
Based in Elmhurst, 11 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 9 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 122 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) | 20 mi |
| All Seasons Exteriors Inc | 5.0★ (2) | 13 mi |
| AS & JB | 5.0★ (2) | 10 mi |
| Aztec Inc. | 5.0★ (2) | 13 mi |
| Eco Tec Foam and Coatings | Silicone Roof Coating Contractors | 5.0★ (1) | 5 mi |
| ELEMENTA INSULATION | 1.0★ (1) | 6 mi |
| Energy Efficient Building Systems By Solarcrete | 5.0★ (2) | 8 mi |
| Friedman Insulation Company | 5.0★ (1) | 10 mi |
| Huffman Insulation Solution | 5.0★ (1) | 6 mi |
| InsulaTec | 5.0★ (1) | 9 mi |
| insultech of chicago | 1.0★ (2) | 20 mi |
| Kirobe Construction, Inc | 1.0★ (2) | 17 mi |
| Monik Plastering Eifs Repairing | 1.0★ (1) | 8 mi |
| Ovid Mold Removals LLC | 5.0★ (1) | 9 mi |
| Rocha Brothers Insulation, Inc | 5.0★ (1) | 12 mi |
| Southwest Insulation, Inc. | 5.0★ (2) | 23 mi |
| Sylvan Energy Consulting | 5.0★ (1) | 8 mi |
| Thermal Foam Insulation | 5.0★ (2) | 5 mi |
| TLC General Contractor | 1.0★ (1) | 8 mi |
| Valid Line Office | 3.0★ (1) | 7 mi |
National price ranges in USD, not adjusted for Harwood Heights. 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 122 Harwood Heights 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 Harwood Heights 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 |