68 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Crystal Lake: Moxie Pest Control, CR Score 60/100; 4.5★ from 2,575 Google reviews; open Saturdays until 4 PM.
Best for emergencies (open 24/7): Paint Platoon USA, posts 24/7 hours; ranked #12 of 68.
Most-reviewed: EcoShield Pest Solutions, 4,792 Google reviews at 4.7★, the most of 68 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
68 Crystal Lake insulation contractors are ranked here by CR Score, from ten published factors. 7 are open 24/7, 41 open Saturdays and 23 open Sundays, based on posted hours. The median Google rating is 4.9★ across 68 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Moxie Pest Control | 60 | 4.5★ (2,575) | Algonquin, 7 mi away | Sat | Overall |
| 2 | EcoShield Pest Solutions | 57 | 4.7★ (4,792) | Geneva, 25 mi away | Sat | Most reviews |
| 3 | Koala Insulation of Northern Illinois | 56 | 5.0★ (156) | Wauconda, 8 mi away | — | — |
| 4 | Green Attic Insulation | 55 | 4.8★ (689) | Des Plaines, 24 mi away | Sat | — |
| 5 | Building Energy Experts | 55 | 4.7★ (61) | Crystal Lake | — | — |
| 6 | Jones Chimney Solutions | 55 | 5.0★ (3) | Crystal Lake | Sat · Sun · Evenings | — |
| 7 | Paragon Insulation & Services | 55 | 4.6★ (54) | Crystal Lake | — | — |
| 8 | ADL Brothers LLC | 54 | 5.0★ (5) | Woodstock, 5 mi away | Sat · Sun · Evenings | — |
| 9 | L B Hall Enterprises | 54 | 5.0★ (19) | Crystal Lake | — | — |
| 10 | Rooftop Designs | 53 | 4.3★ (94) | Schaumburg, 19 mi away | Sat · Sun · Evenings | — |
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: 4.5★ from 2,575 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Geneva, 25 mi away
Ranked #2 because of its Google rating and review volume: 4.7★ from 4,792 Google reviews, the most in Crystal Lake.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wauconda, 8 mi away
Ranked #3 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 Des Plaines, 24 mi away
Ranked #4 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 Crystal Lake
Ranked #5 because of its Google rating and trade focus: 4.7★ from 61 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Crystal Lake
Ranked #6 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 Crystal Lake
Ranked #7 because of its Google rating and trade focus: 4.6★ from 54 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Woodstock, 5 mi away
Ranked #8 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 Crystal Lake
Ranked #9 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Schaumburg, 19 mi away
Ranked #10 because of its Google rating and trade focus: 4.3★ from 94 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in McHenry, 5 mi away
Ranked #11 because of its Google rating and review volume: 5.0★ from 191 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Zurich, 12 mi away
Ranked #12 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 Crystal Lake
Ranked #13 because of its Google rating and review volume: 5.0★ from 82 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rolling Meadows, 20 mi away
Ranked #14 because of its Google rating and trade focus: 4.5★ from 180 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Elgin, 15 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Roselle, 21 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Algonquin, 5 mi away
Ranked #17 because of its Google rating and availability: 4.9★ from 29 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bartlett, 18 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Bluff, 23 mi away
Ranked #19 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 Elk Grove Village, 20 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 on 8 of 10 factors; credentials and recency not yet collected.
Based in South Elgin, 16 mi away
Ranked #21 because of its Google rating and trade focus: 3.2★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arlington Heights, 20 mi away
Ranked #22 because of its Google rating and review volume: 4.9★ from 426 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fox Lake, 16 mi away
Ranked #23 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 Elgin, 10 mi away
Ranked #24 because of its Google rating and trade focus: 4.0★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Elgin, 14 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 11 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 68 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 |
|---|---|---|
| 5 Awesome Ways to Insulate Your Windows for Winter | 12 mi | |
| a to z insulation | 5.0★ (1) | 19 mi |
| Advanced Insulation, Inc | 5.0★ (2) | 15 mi |
| All Seasons Exteriors Inc | 5.0★ (2) | 22 mi |
| B Thermal Corporation | 7 mi | |
| CJM Roofing LLC | 5.0★ (39) | In Crystal Lake |
| Energy Plus Insulation | 5.0★ (1) | 14 mi |
| Energy Plus Insulation LLC | 5.0★ (1) | 14 mi |
| Energy Smart Insulation | 3.0★ (1) | 8 mi |
| Exterior Solutions | 1.9★ (13) | In Crystal Lake |
| GSD Construction Services, LLC | 4.9★ (52) | In Crystal Lake |
| GSWR Siding Contractors | 5.0★ (51) | In Crystal Lake |
| Harmonic Heating & Air Conditioning-Crystal Lake | 4.9★ (445) | In Crystal Lake |
| Innovative Home Concepts, Inc | 4.6★ (347) | In Crystal Lake |
| Midwest Insulation | 5.0★ (1) | 15 mi |
| Northern | 5.0★ (2) | 14 mi |
| Pro-Fusion Energy Solutions Inc. | In Crystal Lake | |
| Tailored Foam Midwest | 7 mi | |
| Wildlife Animal & Bee Removal Guys | 3.0★ (2) | In Crystal Lake |
| Woodridge's Insulation Solutions | 5.0★ (1) | 23 mi |
National price ranges in USD, not adjusted for Crystal Lake. 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 68 Crystal Lake 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 Crystal Lake 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 |