43 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Greenfield: Infinity Exteriors, CR Score 60/100; 4.8★ from 2,305 Google reviews; open 24/7.
Best for emergencies (open 24/7): Smart Roofing & Sheet Metal Company, posts 24/7 hours; ranked #2 of 43.
Most-reviewed: Accurate Basement Repair, 834 Google reviews at 4.9★, the most of 43 ranked after Infinity Exteriors; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
43 Greenfield insulation contractors are ranked here by CR Score, from ten published factors. 3 are open 24/7, 15 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.9★ across 43 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Infinity Exteriors | 60 | 4.8★ (2,305) | New Berlin, 6 mi away | 24/7 | Overall |
| 2 | Smart Roofing & Sheet Metal Company | 58 | 5.0★ (237) | New Berlin, 4 mi away | 24/7 | Emergencies |
| 3 | Modern Exterior Roofing | 56 | 4.9★ (699) | Waukesha, 11 mi away | Sat · Sun · Evenings | — |
| 4 | Danny's Drywall | 55 | 4.9★ (102) | Sheboygan, 10 mi away | — | — |
| 5 | Spraytech Insulators of Milwaukee | 55 | 5.0★ (26) | Milwaukee, 11 mi away | Sat | — |
| 6 | WeatherPro Exteriors | 55 | 4.9★ (544) | West Allis, 5 mi away | Sat | — |
| 7 | USA Insulation of Milwaukee | 55 | 4.3★ (39) | Milwaukee, 14 mi away | Sat · Sun | — |
| 8 | Racine Home Insulators, LLC | 54 | 4.7★ (57) | Racine, 22 mi away | Sat · Sun · Evenings | — |
| 9 | Larson and Keeney Home Services | 54 | 4.9★ (161) | Pewaukee, 13 mi away | 24/7 | — |
| 10 | ALL ABOUT INSULATION | 54 | 4.9★ (55) | Mount Pleasant, 19 mi away | Sat | — |
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 review volume: 4.8★ from 2,305 Google reviews, the most in Greenfield.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Berlin, 4 mi away
Ranked #2 because of its Google rating and review volume: 5.0★ from 237 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waukesha, 11 mi away
Ranked #3 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 Sheboygan, 10 mi away
Ranked #4 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, 11 mi away
Ranked #5 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 West Allis, 5 mi away
Ranked #6 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, 14 mi away
Ranked #7 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 Racine, 22 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 57 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pewaukee, 13 mi away
Ranked #9 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 Mount Pleasant, 19 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 55 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brown Deer, 7 mi away
Ranked #11 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, 7 mi away
Ranked #12 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 Milwaukee, 11 mi away
Ranked #13 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, 12 mi away
Ranked #14 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 Burlington, 24 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 223 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Franklin, 6 mi away
Ranked #16 because of its Google rating and trade focus: 4.0★ 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 Brookfield, 7 mi away
Ranked #17 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 Muskego, 7 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Berlin, 5 mi away
Ranked #19 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 Whitefish Bay, 12 mi away
Ranked #20 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 Milwaukee, 12 mi away
Ranked #21 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 Germantown, 19 mi away
Ranked #22 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 Delafield, 19 mi away
Ranked #23 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 Hales Corners, 2 mi away
Ranked #24 because of its Google rating and trade focus: 3.2★ from 9 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Berlin, 7 mi away
Ranked #25 because of its Google rating and trade focus: 4.4★ from 17 Google reviews, listed on Google as “Contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
National price ranges in USD, not adjusted for Greenfield. 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 43 Greenfield 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 Greenfield 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 |