21 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Dowagiac: A&M Home Services, CR Score 83/100; 5.0★ from 145 Google reviews; open 24/7.
Best for emergencies (open 24/7): Bell Insulation, posts 24/7 hours; ranked #2 of 21.
Most-reviewed: HomeWorks Construction, 229 Google reviews at 4.5★, the most of 21 ranked; ranked #16.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
21 Dowagiac insulation contractors are ranked here by CR Score, from 8 published factors. 2 are open 24/7, 11 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.8★ across 21 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | A&M Home Services | 83 | 5.0★ (145) | Mishawaka, 23 mi away | 24/7 | Overall |
| 2 | Bell Insulation | 81 | 4.2★ (13) | Niles, 14 mi away | 24/7 | Emergencies |
| 3 | Spray Foam Genie of South Bend | 79 | 4.9★ (55) | South Bend, 24 mi away | Sat · Evenings | — |
| 4 | B & J Vent Services | 78 | 4.9★ (88) | Granger, 18 mi away | Sat · Sun · Evenings | — |
| 5 | Mulder Insulation Inc. | 78 | 5.0★ (30) | Portage, 24 mi away | Sat · Evenings | — |
| 6 | Champion Insulation | 77 | 5.0★ (25) | Mishawaka, 22 mi away | Sat · Evenings | — |
| 7 | Colfax insulation | 77 | 5.0★ (25) | South Bend, 22 mi away | Sat · Evenings | — |
| 8 | Superior Insulation | 77 | 4.8★ (25) | Mishawaka, 23 mi away | Sat · Evenings | — |
| 9 | Century Foam | 76 | 4.2★ (12) | Elkhart, 23 mi away | — | — |
| 10 | Morgan Advanced Materials | 75 | 3.5★ (17) | Elkhart, 23 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 availability: 5.0★ from 145 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Niles, 14 mi away
Ranked #2 because of its Google rating and availability: 4.2★ from 13 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in South Bend, 24 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 55 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Granger, 18 mi away
Ranked #4 because of its Google rating and review volume: 4.9★ from 88 Google reviews, 88 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Portage, 24 mi away
Ranked #5 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 Mishawaka, 22 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in South Bend, 22 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mishawaka, 23 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 25 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 #9 because of its Google rating and trade focus: 4.2★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Elkhart, 23 mi away
Ranked #10 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 Mishawaka, 16 mi away
Ranked #11 because of its Google rating and availability: 4.3★ from 25 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in South Bend, 21 mi away
Ranked #12 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mishawaka, 21 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Insulation contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Granger, 21 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Elkhart, 23 mi away
Ranked #15 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 South Bend, 24 mi away
Ranked #16 because of its Google rating and review volume: 4.5★ from 229 Google reviews, the most Google reviews on this list (229).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Elkhart, 24 mi away
Ranked #17 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 South Bend, 19 mi away
Ranked #18 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Gutter cleaning service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in South Bend, 23 mi away
Ranked #19 because of its Google rating and review volume: 5.0★ from 34 Google reviews, 34 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in South Bend, 24 mi away
Ranked #20 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 Elkhart, 23 mi away
Ranked #21 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.
10 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 |
|---|---|---|
| Bondy Insulation - South Bend, IN | 20 mi | |
| CGI/Silvercote Inc | 5.0★ (1) | 17 mi |
| DEGREE MASTERS REFRIGERATION AIR CONDITIONING HEATING | 16 mi | |
| Dowagiac Heating & Air Conditioning | 4.5★ (46) | In Dowagiac |
| Freund Roofing & Insulation | 5.0★ (2) | 23 mi |
| Gutter Guys | 5.0★ (6) | In Dowagiac |
| Michiana Spray Foam | 23 mi | |
| Momper Insulation | 21 mi | |
| Pentapur foam tire fill | 22 mi | |
| Scott Dennison Construction | 21 mi |
National price ranges in USD, not adjusted for Dowagiac. 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 21 Dowagiac 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 Dowagiac 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 |