6 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Saint Joseph: Proven Spray Foam, CR Score 83/100; 4.9★ from 38 Google reviews; open Saturdays until 6 PM.
Most-reviewed: RetroGreen Energy, 218 Google reviews at 4.8★, the most of 6 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
6 Saint Joseph insulation contractors are ranked here by CR Score, from 8 published factors. 4 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 5.0★ across 6 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Proven Spray Foam | 83 | 4.9★ (38) | Sartell, 6 mi away | Sat · Evenings | Overall |
| 2 | RetroGreen Energy | 82 | 4.8★ (218) | Saint Cloud, 8 mi away | — | Most reviews |
| 3 | Gary's Insulation Services LLC | 81 | 5.0★ (5) | Sauk Rapids, 9 mi away | Sat · Sun · Evenings | — |
| 4 | JB Insulation Contractors | 80 | 5.0★ (8) | Saint Cloud, 6 mi away | Sat | — |
| 5 | St. Cloud Sprayfoam | 77 | 4.0★ (4) | Sauk Rapids, 14 mi away | Sat · Sun · Evenings | — |
| 6 | Freedom Insulation | 74 | 5.0★ (11) | Anoka, 14 mi away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 38 Google reviews, listed on Google as “Insulation contractor”.
Based in Saint Cloud, 8 mi away
Ranked #2 because of its Google rating and review volume: 4.8★ from 218 Google reviews, the most Google reviews on this list (218).
Based in Sauk Rapids, 9 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Saint Cloud, 6 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Insulation contractor”.
Based in Sauk Rapids, 14 mi away
Ranked #5 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Insulation contractor”.
Based in Anoka, 14 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Insulation contractor”.
National price ranges in USD, not adjusted for Saint Joseph. 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 6 Saint Joseph insulation contractors on 8 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. Unknown factors are left out of the score, 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 Saint Joseph data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |