33 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Slinger: Erickson Spray Foam, CR Score 56/100; 5.0★ from 43 Google reviews; open Saturdays until 12 PM.
Best for emergencies (open 24/7): Infinity Exteriors, posts 24/7 hours; ranked #2 of 33.
Most-reviewed: Infinity Exteriors, 2,305 Google reviews at 4.8★, the most of 33 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
33 Slinger insulation contractors are ranked here by CR Score, from ten published factors. 2 are open 24/7, 13 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.9★ across 33 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Erickson Spray Foam | 56 | 5.0★ (43) | Cedarburg, 11 mi away | Sat | Overall |
| 2 | Infinity Exteriors | 55 | 4.8★ (2,305) | New Berlin, 25 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Premier North Insulation | 54 | 4.3★ (12) | West Bend, 13 mi away | Sat · Sun · Evenings | — |
| 4 | USA Insulation of Milwaukee | 53 | 4.3★ (39) | Milwaukee, 19 mi away | Sat · Sun | — |
| 5 | Larson and Keeney Home Services | 53 | 4.9★ (161) | Pewaukee, 18 mi away | 24/7 | — |
| 6 | Modern Exterior Roofing | 53 | 4.9★ (699) | Waukesha, 23 mi away | Sat · Sun · Evenings | — |
| 7 | Spraytech Insulators of Milwaukee | 53 | 5.0★ (26) | Milwaukee, 20 mi away | Sat | — |
| 8 | Builders' Insulation | 53 | 4.8★ (6) | Germantown, 10 mi away | — | — |
| 9 | Danny's Drywall | 53 | 4.9★ (102) | Sheboygan, 21 mi away | — | — |
| 10 | Jaeger Drywall LLC & Spray Foam | 52 | 3.7★ (3) | West Bend, 7 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: 5.0★ from 43 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Berlin, 25 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 2,305 Google reviews, the most in Slinger.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Bend, 13 mi away
Ranked #3 because of its Google rating and trade focus: 4.3★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milwaukee, 19 mi away
Ranked #4 because of its Google rating and trade focus: 4.3★ from 39 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pewaukee, 18 mi away
Ranked #5 because of its Google rating and review volume: 4.9★ from 161 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waukesha, 23 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 699 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milwaukee, 20 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Germantown, 10 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Sheboygan, 21 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 102 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Bend, 7 mi away
Ranked #10 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Milwaukee, 20 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 45 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Bend, 14 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Allis, 24 mi away
Ranked #13 because of its Google rating and review volume: 4.9★ from 544 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milwaukee, 23 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Grafton, 17 mi away
Ranked #15 because of its Google rating and review volume: 4.9★ from 459 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oconomowoc, 23 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 Sussex, 15 mi away
Ranked #17 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 Brown Deer, 25 mi away
Ranked #18 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 Milwaukee, 21 mi away
Ranked #19 because of its Google rating and trade focus: 4.6★ from 14 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Delafield, 23 mi away
Ranked #20 because of its Google rating and review volume: 4.9★ from 511 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Whitefish Bay, 24 mi away
Ranked #21 because of its Google rating and trade focus: 3.9★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brookfield, 23 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 41 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Delafield, 20 mi away
Ranked #23 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 West Bend, 9 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Wholesaler”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Watertown, 24 mi away
Ranked #25 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.
National price ranges in USD, not adjusted for Slinger. 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 33 Slinger 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 Slinger 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 |