18 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Milton: Accurate Insulation Solutions LLC, CR Score 86/100; 4.9★ from 64 Google reviews; open Saturdays until 6 PM.
Best for emergencies (open 24/7): Legan Construction & Remodeling, posts 24/7 hours; ranked #5 of 18.
Most-reviewed: Top Tier Insulation LLC, 35 Google reviews at 4.9★, the most of 18 ranked after Accurate Insulation Solutions LLC; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
18 Milton insulation contractors are ranked here by CR Score, from 8 published factors. 2 are open 24/7, 8 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 5.0★ across 18 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Accurate Insulation Solutions LLC | 86 | 4.9★ (64) | Fort Atkinson, 12 mi away | Sat | Overall |
| 2 | Janesville | 81 | 5.0★ (4) | Janesville, 6 mi away | Sat · Sun · Evenings | — |
| 3 | Beneficial Insulation and Exteriors | 81 | 4.9★ (28) | Fitchburg, 6 mi away | — | — |
| 4 | Top Tier Insulation LLC | 81 | 4.9★ (35) | South Beloit, 10 mi away | — | Most reviews |
| 5 | Legan Construction & Remodeling | 80 | 4.7★ (12) | Janesville, 12 mi away | 24/7 | Emergencies |
| 6 | Janesville Spray Foam Insulation | 80 | 5.0★ (22) | South Beloit, 7 mi away | — | — |
| 7 | Beneficial Insulation Solutions | 79 | 5.0★ (3) | Janesville, 6 mi away | Sat · Sun · Evenings | — |
| 8 | Cellar to Attic Insulation | 79 | 4.9★ (16) | Lake Mills, 22 mi away | Sat · Evenings | — |
| 9 | Legge Painting & Pre-Finishing | 78 | 4.2★ (5) | Whitewater, 12 mi away | 24/7 | — |
| 10 | Wisconsin Spray Foam Insulation | 77 | 5.0★ (33) | Fitchburg, 24 mi away | — | — |
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 review volume: 4.9★ from 64 Google reviews, the most Google reviews on this list (64).
Based in Janesville, 6 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based in Fitchburg, 6 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based in South Beloit, 10 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Insulation contractor”.
Based in Janesville, 12 mi away
Ranked #5 because of its Google rating and availability: 4.7★ from 12 Google reviews, open 24/7.
Based in South Beloit, 7 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based in Janesville, 6 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based in Lake Mills, 22 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based in Whitewater, 12 mi away
Ranked #9 because of its Google rating and availability: 4.2★ from 5 Google reviews, open 24/7.
Based in Fitchburg, 24 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Insulation contractor”.
Based in Janesville, 8 mi away
Ranked #11 because of its Google rating and trade focus: 4.2★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based in Stoughton, 19 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based in Beloit, 16 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based in Janesville, 12 mi away
Ranked #14 because of its Google rating and review volume: 5.0★ from 35 Google reviews, 35 Google reviews.
Based in Stoughton, 15 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Janesville, 8 mi away
Ranked #16 because of its Google rating and review volume: 5.0★ from 18 Google reviews, 18 Google reviews.
Based in Fitchburg, 15 mi away
Ranked #17 because of its Google rating and review volume: 5.0★ from 15 Google reviews, 15 Google reviews.
Based in Madison, 20 mi away
Ranked #18 because of its Google rating and review volume: 4.2★ from 14 Google reviews, 14 Google reviews.
8 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 |
|---|---|---|
| Choice Insulation | 22 mi | |
| Fish Junk Removal | 4.6★ (50) | In Milton |
| Schoonover Insulation Inc | 3.0★ (1) | 20 mi |
| Stritzel & Sons Builders Inc | 5.0★ (2) | 11 mi |
| Stritzel Property Services LLC | 1.0★ (1) | 12 mi |
| Swanson Spray Systems | 5.0★ (2) | 16 mi |
| Thermal Design Inc | 5.0★ (1) | 17 mi |
| Wisco Insulation LLC | 14 mi |
National price ranges in USD, not adjusted for Milton. 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 18 Milton 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 Milton 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 |