30 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Lake Mills: Accurate Insulation Solutions LLC, CR Score 59/100; 4.9★ from 64 Google reviews; open Saturdays until 6 PM.
Best for emergencies (open 24/7): Infinity Exteriors, posts 24/7 hours; ranked #3 of 30.
Most-reviewed: Infinity Exteriors, 335 Google reviews at 4.9★, the most of 30 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
30 Lake Mills insulation contractors are ranked here by CR Score, from ten published factors. 3 are open 24/7, 12 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.9★ across 30 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Accurate Insulation Solutions LLC | 59 | 4.9★ (64) | Fort Atkinson, 10 mi away | Sat | Overall |
| 2 | Cellar to Attic Insulation | 58 | 4.9★ (16) | Lake Mills | Sat · Evenings | — |
| 3 | Infinity Exteriors | 57 | 4.9★ (335) | Madison, 20 mi away | 24/7 | Emergencies, Most reviews |
| 4 | Environmental Construction Services Inc. | 56 | 5.0★ (16) | Madison, 23 mi away | 24/7 | — |
| 5 | Koala Insulation of Madison | 55 | 5.0★ (61) | Sun Prairie, 18 mi away | — | — |
| 6 | Wisconsin Spray Foam Insulation | 55 | 5.0★ (33) | Fitchburg, 14 mi away | — | — |
| 7 | Top Tier Insulation LLC | 54 | 4.9★ (35) | South Beloit, 15 mi away | — | — |
| 8 | Spraytech Insulators of Madison | 54 | 4.9★ (24) | Madison, 20 mi away | Sat | — |
| 9 | USA Insulation of Madison | 54 | 4.7★ (77) | McFarland, 20 mi away | — | — |
| 10 | Accurate-Airtight Exteriors | 54 | 4.9★ (59) | Madison, 21 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 trade focus: 4.9★ from 64 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lake Mills
Ranked #2 because of its Google rating and trade focus: 4.9★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 20 mi away
Ranked #3 because of its Google rating and review volume: 4.9★ from 335 Google reviews, the most in Lake Mills.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 23 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sun Prairie, 18 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 61 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fitchburg, 14 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Beloit, 15 mi away
Ranked #7 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 Madison, 20 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in McFarland, 20 mi away
Ranked #9 because of its Google rating and trade focus: 4.7★ from 77 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 21 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 59 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fitchburg, 16 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fitchburg, 24 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Beloit, 17 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sun Prairie, 16 mi away
Ranked #14 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 McFarland, 20 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Oconomowoc, 18 mi away
Ranked #16 because of its Google rating and trade focus: 4.6★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Lake Mills
Ranked #17 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stoughton, 16 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sun Prairie, 19 mi away
Ranked #19 because of its Google rating and trade focus: 4.8★ from 17 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 19 mi away
Ranked #20 because of its Google rating and trade focus: 4.3★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Watertown, 12 mi away
Ranked #21 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stoughton, 18 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 Madison, 19 mi away
Ranked #23 because of its Google rating and trade focus: 2.9★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Madison, 25 mi away
Ranked #24 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 Whitewater, 19 mi away
Ranked #25 because of its Google rating and availability: 4.2★ from 5 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #30, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Grade A Construction Inc | 47 | 5.0★ (4) | 25 mi |
| 27 | Tuescher Painting & Drywall Finishing | 47 | 5.0★ (35) | 20 mi |
| 28 | Jams Painting LLC | 47 | 5.0★ (15) | 19 mi |
| 29 | Wisconsin Audio Video | 45 | 3.8★ (4) | 20 mi |
| 30 | Let Mikey Do It | 43 | 4.2★ (14) | 24 mi |
18 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 |
|---|---|---|
| Accurate Insulation Solutions LLC | 5.0★ (2) | 17 mi |
| Bison Inc. | 22 mi | |
| Foamguard | 5.0★ (1) | 23 mi |
| Ganser Company, Inc. | 20 mi | |
| J&J Concrete Solutions, LLC | In Lake Mills | |
| Johnson L.L.C. | 21 mi | |
| Raymer Pipe & Duct Insulation Inc | 25 mi | |
| Rock Lake Drywall LLC | 5.0★ (5) | In Lake Mills |
| Sigmund's Installations LLC | 5.0★ (19) | In Lake Mills |
| Stritzel & Sons Builders Inc | 5.0★ (2) | 20 mi |
| Stritzel Property Services LLC | 1.0★ (1) | 19 mi |
| Suburban Drywall Inc | 3.9★ (21) | In Lake Mills |
| The Crew Home Improvement LLC | 23 mi | |
| Thermal Design Inc | 5.0★ (1) | 19 mi |
| US Roofing Commercial & Industrial Contractors | 5.0★ (2) | 12 mi |
| Wes Nasi Construction LLC | 5.0★ (2) | 10 mi |
| Wes Nasi Construction LLC | 17 mi | |
| Wisco Insulation LLC | 19 mi |
National price ranges in USD, not adjusted for Lake Mills. 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 30 Lake Mills 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 23, 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 Mills 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 |