17 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Three Rivers: USA Insulation of Kalamazoo, CR Score 83/100; 4.8★ from 175 Google reviews; open Saturdays until 2 PM.
Best for emergencies (open 24/7): Worthy Construction LLC, posts 24/7 hours; ranked #2 of 17.
Most-reviewed: Better World Builders, 66 Google reviews at 4.7★, the most of 17 ranked after USA Insulation of Kalamazoo; ranked #14.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
17 Three Rivers insulation contractors are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 4 open Saturdays and 1 open Sundays, based on posted hours. The median Google rating is 4.8★ across 17 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | USA Insulation of Kalamazoo | 83 | 4.8★ (175) | Portage, 21 mi away | Sat | Overall |
| 2 | Worthy Construction LLC | 80 | 4.9★ (63) | Kalamazoo, 23 mi away | 24/7 | Emergencies |
| 3 | Precision Insulation Kalamazoo | 80 | 5.0★ (59) | Kalamazoo, 25 mi away | Sat · Evenings | — |
| 4 | Mulder Insulation Inc. | 78 | 5.0★ (30) | Portage, 25 mi away | Sat · Evenings | — |
| 5 | Kasten Insulation Services Inc | 76 | 3.6★ (7) | Portage, 18 mi away | — | — |
| 6 | M.Y. Insulation LLC | 75 | 4.8★ (42) | Goshen, 20 mi away | — | — |
| 7 | Morgan Advanced Materials | 75 | 3.5★ (17) | Elkhart, 23 mi away | — | — |
| 8 | Moses Drywall Co | 75 | 5.0★ (3) | Sturgis, 12 mi away | — | — |
| 9 | Kalamazoo Spray Foam Insulation | 73 | 5.0★ (18) | Eastwood, 22 mi away | — | — |
| 10 | Michigan Spray Foam Insulation | 73 | 5.0★ (22) | Kalamazoo, 25 mi away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.8★ from 175 Google reviews, the most Google reviews on this list (175).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kalamazoo, 23 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 63 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kalamazoo, 25 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Portage, 25 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Portage, 18 mi away
Ranked #5 because of its Google rating and trade focus: 3.6★ from 7 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Goshen, 20 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 42 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Elkhart, 23 mi away
Ranked #7 because of its Google rating and trade focus: 3.5★ from 17 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Sturgis, 12 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Eastwood, 22 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kalamazoo, 25 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Elkhart, 23 mi away
Ranked #11 because of its Google rating and trade focus: 3.6★ from 21 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Elkhart, 23 mi away
Ranked #12 because of its Google rating and trade focus: 4.0★ from 10 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kalamazoo, 23 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kalamazoo, 24 mi away
Ranked #14 because of its Google rating and review volume: 4.7★ from 66 Google reviews, 66 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kalamazoo, 23 mi away
Ranked #15 because of its Google rating and review volume: 4.8★ from 45 Google reviews, 45 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Portage, 16 mi away
Ranked #16 because of its Google rating and trade focus: 4.0★ from 8 Google reviews, listed on Google as “Mechanical contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Elkhart, 21 mi away
Ranked #17 because of its Google rating and trade focus: 4.3★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
11 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 |
|---|---|---|
| Bel-Aire Heating & Cooling | 4.9★ (112) | In Three Rivers |
| CGI/Silvercote Inc | 5.0★ (1) | 23 mi |
| Champion Insulation | 5.0★ (1) | 21 mi |
| Energy Saving Services inc. | 22 mi | |
| Innovative Building Products | 5.0★ (2) | In Three Rivers |
| Insulation Mechanic Services Llc | 22 mi | |
| Integral Roofing LLC | 4.5★ (17) | In Three Rivers |
| M & M Decorating | 16 mi | |
| Morton Buildings, Inc. | 2.7★ (10) | In Three Rivers |
| Slagel & Son Insulation Inc | 22 mi | |
| Thompson Home Improvement | 4.8★ (56) | In Three Rivers |
National price ranges in USD, not adjusted for Three Rivers. 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 17 Three Rivers 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 Three Rivers 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 |