13 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Lake Geneva: Diversified Insulation, CR Score 83/100; 4.9★ from 223 Google reviews.
Best for emergencies (open 24/7): Legge Painting & Pre-Finishing, posts 24/7 hours; ranked #10 of 13.
Most-reviewed: Ace Handyman Services Northern McHenry Western Lake Counties, 278 Google reviews at 4.9★, the most of 13 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
13 Lake Geneva insulation contractors are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 4 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.8★ across 13 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Diversified Insulation | 83 | 4.9★ (223) | Burlington, 10 mi away | — | Overall |
| 2 | ALL ABOUT INSULATION | 80 | 4.9★ (55) | Mount Pleasant, 21 mi away | Sat | — |
| 3 | Holian Industries | 79 | 4.8★ (6) | Spring Grove, 15 mi away | — | — |
| 4 | Astro Insulation | 78 | 4.4★ (7) | Fox Lake, 16 mi away | — | — |
| 5 | Dynico Roofing | 77 | 5.0★ (191) | McHenry, 21 mi away | Sat · Evenings | — |
| 6 | Gallagly Drywall Inc | 76 | 3.0★ (4) | Harvard, 12 mi away | Sat · Sun | — |
| 7 | Anchor-ABS Foam - Anchor Building Solutions | 75 | 4.8★ (19) | Woodstock, 13 mi away | — | — |
| 8 | Building Energy Experts | 74 | 4.7★ (61) | Crystal Lake, 25 mi away | — | — |
| 9 | Ace Handyman Services Northern McHenry Western Lake Counties | 74 | 4.9★ (278) | McHenry, 18 mi away | — | Most reviews |
| 10 | Legge Painting & Pre-Finishing | 73 | 4.2★ (5) | Whitewater, 23 mi away | 24/7 | Emergencies |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 223 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mount Pleasant, 21 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 55 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Spring Grove, 15 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Fox Lake, 16 mi away
Ranked #4 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in McHenry, 21 mi away
Ranked #5 because of its Google rating and review volume: 5.0★ from 191 Google reviews, 191 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Harvard, 12 mi away
Ranked #6 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Woodstock, 13 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Crystal Lake, 25 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 61 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in McHenry, 18 mi away
Ranked #9 because of its Google rating and review volume: 4.9★ from 278 Google reviews, the most Google reviews on this list (278).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Whitewater, 23 mi away
Ranked #10 because of its Google rating and availability: 4.2★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Crystal Lake, 25 mi away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 54 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lake Villa, 23 mi away
Ranked #12 because of its Google rating and trade focus: 4.4★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Burlington, 15 mi away
Ranked #13 because of its Google rating and trade focus: 4.8★ from 29 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
16 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) | 11 mi |
| Choice Insulation | 7 mi | |
| Daleen Services | 4.9★ (77) | In Lake Geneva |
| Local insulation 365 | 22 mi | |
| Midwest Insulation | 5.0★ (1) | 23 mi |
| miguel becerra | 24 mi | |
| Northern | 5.0★ (2) | 23 mi |
| Peck & Weis Heating, Cooling, Plumbing, Electric | 4.5★ (120) | In Lake Geneva |
| RJR Insulation | 24 mi | |
| STF 4U & Chicagoland Energy Audits | 21 mi | |
| Stritzel & Sons Builders Inc | 5.0★ (2) | 23 mi |
| Stritzel Property Services LLC | 1.0★ (1) | 23 mi |
| Style Exteriors | 4.0★ (4) | In Lake Geneva |
| Tailored Foam Midwest | 25 mi | |
| Thrifty Nickel Handyman Wisconsin | 4.0★ (8) | In Lake Geneva |
| Wisco Insulation LLC | 23 mi |
National price ranges in USD, not adjusted for Lake Geneva. 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 13 Lake Geneva 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 Lake Geneva 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 |