10 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Watertown: Accurate Insulation Solutions LLC, CR Score 56/100; 4.9★ from 64 Google reviews; open Saturdays until 6 PM.
Best for emergencies (open 24/7): Legge Painting & Pre-Finishing, posts 24/7 hours; ranked #10 of 10.
Most-reviewed: Ace Handyman Services Waukesha Lake Country, 511 Google reviews at 4.9★, the most of 10 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
10 Watertown insulation contractors are ranked here by CR Score, from ten published factors. 1 is open 24/7, 3 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.9★ across 10 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Accurate Insulation Solutions LLC | 56 | 4.9★ (64) | Fort Atkinson, 19 mi away | Sat | Overall |
| 2 | Thermo-Tech Mechanical | 54 | 4.3★ (6) | Watertown | — | — |
| 3 | Insulation Industries | 54 | 4.6★ (7) | Oconomowoc, 13 mi away | — | — |
| 4 | Cellar to Attic Insulation | 53 | 4.9★ (16) | Lake Mills, 22 mi away | Sat · Evenings | — |
| 5 | Wisconsin Spray Foam Insulation | 52 | 5.0★ (33) | Fitchburg, 25 mi away | — | — |
| 6 | Ace Handyman Services Waukesha Lake Country | 51 | 4.9★ (511) | Delafield, 22 mi away | — | Most reviews |
| 7 | Beneficial Insulation and Exteriors | 51 | 4.9★ (28) | Fitchburg, 25 mi away | — | — |
| 8 | Janesville Spray Foam Insulation | 51 | 5.0★ (22) | South Beloit, 25 mi away | — | — |
| 9 | Grade A Construction Inc | 49 | 5.0★ (4) | Delafield, 18 mi away | — | — |
| 10 | Legge Painting & Pre-Finishing | 46 | 4.2★ (5) | Whitewater, 25 mi away | 24/7 | Emergencies |
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 Watertown
Ranked #2 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 Oconomowoc, 13 mi away
Ranked #3 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, 22 mi away
Ranked #4 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 Fitchburg, 25 mi away
Ranked #5 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 Delafield, 22 mi away
Ranked #6 because of its Google rating and review volume: 4.9★ from 511 Google reviews, the most in Watertown.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fitchburg, 25 mi away
Ranked #7 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 South Beloit, 25 mi away
Ranked #8 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 Delafield, 18 mi away
Ranked #9 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 Whitewater, 25 mi away
Ranked #10 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.
12 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) | 8 mi |
| Brock Industrial Services | 5.0★ (1) | 20 mi |
| Premiere Insulation | 25 mi | |
| SFG Milwaukee | 18 mi | |
| Stritzel Property Services LLC | 1.0★ (1) | 25 mi |
| The Crew Home Improvement LLC | 19 mi | |
| Total Comfort Insulation | 5.0★ (1) | 17 mi |
| US Roofing Commercial & Industrial Contractors | 5.0★ (2) | In Watertown |
| Waukesha Spray Foam Insulation | 23 mi | |
| Wes Nasi Construction LLC | 5.0★ (2) | 6 mi |
| Wes Nasi Construction LLC | 24 mi | |
| Wisco Insulation LLC | 23 mi |
National price ranges in USD, not adjusted for Watertown. 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 10 Watertown 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 Watertown 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 |