59/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 13 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
Best Insulation Contractors in Beaver Dam, WI (2026)
5 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Beaver Dam: Marshland Spray Foam, CR Score 59/100; 5.0★ from 13 Google reviews.
- 4
Most-reviewed: Nu-Life Roofing & Siding, 20 Google reviews at 4.1★, the most of 5 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
5 Beaver Dam insulation contractors are ranked here by CR Score, from ten published factors. 2 open Saturdays, based on posted hours. The median Google rating is 4.3★ across 5 rated businesses.
Top 5 insulation contractors in Beaver Dam at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Marshland Spray Foam | 59 | 5.0★ (13) | Beaver Dam | — | Overall |
| 2 | Hastings Water Well Service & Foam Insulation | 53 | 5.0★ (6) | Cottage Grove, 20 mi away | Sat | — |
| 3 | Thermo-Tech Mechanical | 51 | 4.3★ (6) | Watertown, 19 mi away | — | — |
| 4 | Nu-Life Roofing & Siding | 47 | 4.1★ (20) | Baraboo, 24 mi away | — | Most reviews |
| 5 | Lumpy’s Home Renovations, LLC | 47 | 4.0★ (4) | Oshkosh, 12 mi away | Sat · Evenings | — |
The 5 best insulation contractors in Beaver Dam, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Cottage Grove, 20 mi away
53/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
- 5.0★ from 6 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 9 AM–3 PM · Sun closed
Based in Watertown, 19 mi away
51/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Insulation contractor”.
- 4.3★ from 6 Google reviews
- Hours
- Mon–Fri 7:30 AM–3:30 PM · Sat–Sun closed
- Address
- 508 W Main St, Watertown, WI 53094
Based in Baraboo, 24 mi away
47/100CR ScoreRanked #4 because of its Google rating and review volume: 4.1★ from 20 Google reviews, the most in Beaver Dam.
- 4.1★ from 20 Google reviews
- Hours
- Mon–Fri 10 AM–4 PM · Sat–Sun closed
Based in Oshkosh, 12 mi away
47/100CR ScoreRanked #5 because of its Google rating and review volume: 4.0★ from 4 Google reviews.
- 4.0★ from 4 Google reviews
- Hours
- Mon–Sat 8 AM–7 PM · Sun closed
How much do insulation contractors cost in Beaver Dam?
National price ranges in USD, not adjusted for Beaver Dam. 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 |
How we ranked Beaver Dam insulation contractors
We scored 5 Beaver Dam 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 Beaver Dam 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 |
Insulation contractors in Beaver Dam: frequently asked questions
Who is the best insulation contractor in Beaver Dam?
By CR Score, the highest-ranked insulation contractor in Beaver Dam, WI is Marshland Spray Foam with a CR Score of 59/100. It has 5.0★ from 13 Google reviews. Hastings Water Well Service & Foam Insulation (#2) and Thermo-Tech Mechanical (#3) follow. We ranked 5 insulation contractors on ten factors, last updated October 22, 2026.
How many insulation contractors are there in Beaver Dam?
ContractorsRanked ranks 5 insulation contractors serving Beaver Dam, WI. 1 of them is based in Beaver Dam; the rest serve it from nearby towns. Counts are as of October 2026.
Which insulation contractors in Beaver Dam work on weekends?
2 of 5 ranked insulation contractors post Saturday hours. The highest-ranked open Saturdays are Hastings Water Well Service & Foam Insulation (#2) and Lumpy’s Home Renovations, LLC (#5). Posted hours are office hours; crews may book weekend jobs separately.
How much does attic insulation cost in Beaver Dam?
Attic insulation typically costs $1,700 to $2,500, with $2,100 typical (Per attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range). This is a national range, not adjusted for Beaver Dam. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Beaver Dam insulation contractors have?
The median Google rating among 5 rated insulation contractors in Beaver Dam is 4.3★, with a median of 6 reviews. Nu-Life Roofing & Siding has the most, 20 reviews, and ranks #4. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank insulation contractors?
Each insulation contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do insulation contractors outside Beaver Dam count in this ranking?
Yes, if they are within 25 mi of the Beaver Dam city center, our service radius for insulation contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Can insulation contractors pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for Beaver Dam
- October 2026: CR Scores recalculated for 5 insulation contractors serving Beaver Dam.
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