31 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Grafton: 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 31.
Most-reviewed: Infinity Exteriors, 2,305 Google reviews at 4.8★, the most of 31 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
31 Grafton insulation contractors are ranked here by CR Score, from ten published factors. 2 are open 24/7, 12 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.9★ across 31 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Erickson Spray Foam | 56 | 5.0★ (43) | Cedarburg, 7 mi away | Sat | Overall |
| 2 | Infinity Exteriors | 55 | 4.8★ (2,305) | New Berlin, 24 mi away | 24/7 | Emergencies, Most reviews |
| 3 | USA Insulation of Milwaukee | 55 | 4.3★ (39) | Milwaukee, 11 mi away | Sat · Sun | — |
| 4 | Ace Handyman Services Port | 54 | 4.9★ (459) | Grafton | — | — |
| 5 | Danny's Drywall | 54 | 4.9★ (102) | Sheboygan, 15 mi away | — | — |
| 6 | Spraytech Insulators of Milwaukee | 54 | 5.0★ (26) | Milwaukee, 14 mi away | Sat | — |
| 7 | Thermal Comfort, Inc. | 53 | 4.8★ (45) | Milwaukee, 14 mi away | — | — |
| 8 | Builders' Insulation | 52 | 4.8★ (6) | Germantown, 11 mi away | — | — |
| 9 | Premier North Insulation | 52 | 4.3★ (12) | West Bend, 19 mi away | Sat · Sun · Evenings | — |
| 10 | WI Spray Foam Insulators Milwaukee | 52 | 5.0★ (26) | Milwaukee, 15 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, 24 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 2,305 Google reviews, the most in Grafton.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milwaukee, 11 mi away
Ranked #3 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 Grafton
Ranked #4 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 Sheboygan, 15 mi away
Ranked #5 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 Milwaukee, 14 mi away
Ranked #6 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 Milwaukee, 14 mi away
Ranked #7 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 Germantown, 11 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 West Bend, 19 mi away
Ranked #9 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, 15 mi away
Ranked #10 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 Pewaukee, 22 mi away
Ranked #11 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 West Allis, 21 mi away
Ranked #12 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, 13 mi away
Ranked #13 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 West Bend, 12 mi away
Ranked #14 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 Whitefish Bay, 14 mi away
Ranked #15 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 Brown Deer, 18 mi away
Ranked #16 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 West Bend, 17 mi away
Ranked #17 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 Milwaukee, 25 mi away
Ranked #18 because of its Google rating and review volume: 4.9★ from 834 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brookfield, 22 mi away
Ranked #19 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 Sussex, 18 mi away
Ranked #20 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 Milwaukee, 13 mi away
Ranked #21 because of its Google rating and review volume: 4.4★ from 86 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in West Bend, 13 mi away
Ranked #22 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 Port Washington, 5 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Painter”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milwaukee, 12 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brookfield, 11 mi away
Ranked #25 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Roofing 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 #31, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | AmeriPro Roofing | 44 | 4.3★ (167) | 21 mi |
| 27 | Clark & Sons Handyman & Painting Services | 43 | 4.3★ (18) | 19 mi |
| 28 | Over the Top Roofing and Construction | 42 | 3.7★ (74) | 18 mi |
| 29 | MKE DRYWALL FINISHERS LLC | 42 | 4.5★ (8) | 22 mi |
| 30 | Pewaukee DryWall Pros | 42 | 4.7★ (13) | 25 mi |
| 31 | Drywall tek. Commercial and residential drywall contractor. | 40 | 5.0★ (4) | 25 mi |
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 |
|---|---|---|
| Alpine Insulation | 16 mi | |
| Clark Insulation | 3.0★ (1) | 13 mi |
| Delta T Construction Co Inc | 15 mi | |
| Durable Roofing Solutions Inc. | 13 mi | |
| Fruitful Insulation Contractor Professionals | 18 mi | |
| Green Energy Insulation Services, LLC | 18 mi | |
| Green Peak | 5.0★ (2) | 19 mi |
| Insulation Removal Ltd | 15 mi | |
| Insulation Specialists Inc. | 16 mi | |
| JB Custom - Menomonee Falls | 15 mi | |
| K Komfort Heating & Cooling | 4.9★ (445) | In Grafton |
| QED Solutions, LLC | 11 mi | |
| Remodel America | 3.0★ (1) | 23 mi |
| Seal Tight Spray Foam Insulation | 18 mi | |
| Spray Foam Genie Milwaukee | 18 mi | |
| Sprinkmann Sons Corporation | 15 mi | |
| Unifrax | 10 mi | |
| Wisconsin Home Improvement | 15 mi | |
| Wisconsin Insulation Services Inc | 15 mi | |
| Wisconsin Spray Foam Insulation | 19 mi |
National price ranges in USD, not adjusted for Grafton. 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 31 Grafton 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 Grafton 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 |