21 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Columbia City: Bone Dry Roofing, CR Score 56/100; 4.6★ from 360 Google reviews; open 24/7.
Best for emergencies (open 24/7): A&M Home Services, posts 24/7 hours; ranked #12 of 21.
Most-reviewed: Ace Handyman Services Summit City, 149 Google reviews at 4.9★, the most of 21 ranked after Bone Dry Roofing; ranked #11.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
21 Columbia City insulation contractors are ranked here by CR Score, from ten published factors. 2 are open 24/7, 9 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.9★ across 21 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Bone Dry Roofing | 56 | 4.6★ (360) | Fort Wayne, 17 mi away | 24/7 | Overall |
| 2 | Koala Insulation of Fort Wayne | 55 | 5.0★ (65) | Fort Wayne, 18 mi away | — | — |
| 3 | Columbia City Insulating | 54 | 4.7★ (11) | Columbia City | — | — |
| 4 | Dynamic Spray Foam Insulation | 54 | 5.0★ (28) | Fort Wayne, 19 mi away | Sat · Evenings | — |
| 5 | FWI Spray Foam Insulation | 54 | 4.8★ (31) | Fort Wayne, 19 mi away | Sat · Evenings | — |
| 6 | Empire Insulation | 53 | 5.0★ (28) | Fort Wayne, 23 mi away | Sat · Evenings | — |
| 7 | Perfect Insulation | 53 | 5.0★ (16) | Fort Wayne, 18 mi away | Sat · Evenings | — |
| 8 | Extreme Spray Foam of Fort Wayne | 53 | 4.9★ (18) | Fort Wayne, 13 mi away | — | — |
| 9 | Caliber Insulation | 51 | 5.0★ (14) | Frankfort, 23 mi away | Sat · Evenings | — |
| 10 | Ace Handyman Services Lake City | 51 | 4.7★ (29) | Warsaw, 20 mi away | — | — |
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 review volume: 4.6★ from 360 Google reviews, the most in Columbia City.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Wayne, 18 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Columbia City
Ranked #3 because of its Google rating and trade focus: 4.7★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Wayne, 19 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Wayne, 19 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 31 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Wayne, 23 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Wayne, 18 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Wayne, 13 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 18 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Frankfort, 23 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Warsaw, 20 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Wayne, 15 mi away
Ranked #11 because of its Google rating and review volume: 4.9★ from 149 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Kendallville, 23 mi away
Ranked #12 because of its Google rating and review volume: 5.0★ from 38 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Wayne, 17 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Fort Wayne, 17 mi away
Ranked #14 because of its Google rating and trade focus: 3.6★ from 79 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Huntertown, 17 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Wayne, 18 mi away
Ranked #16 because of its Google rating and trade focus: 4.9★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Wayne, 18 mi away
Ranked #17 because of its Google rating and review volume: 4.3★ from 124 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 18 mi away
Ranked #18 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Wayne, 18 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Garrett, 23 mi away
Ranked #20 because of its Google rating and review volume: 4.8★ from 68 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Warsaw, 19 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Columbia City. 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 Columbia City 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 Columbia City 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 |