75 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Ann Arbor: Thermal Building Solutions, LLC, CR Score 60/100; 5.0★ from 29 Google reviews; open 24/7.
Best for emergencies (open 24/7): United Water Damage, posts 24/7 hours; ranked #10 of 75.
Most-reviewed: Majic Window, 5,624 Google reviews at 4.7★, the most of 75 ranked; ranked #25.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
75 Ann Arbor insulation contractors are ranked here by CR Score, from ten published factors. 6 are open 24/7, 39 open Saturdays and 19 open Sundays, based on posted hours. The median Google rating is 4.9★ across 75 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Thermal Building Solutions, LLC | 60 | 5.0★ (29) | Ann Arbor | 24/7 | Overall |
| 2 | Ecotelligent Homes | 56 | 5.0★ (149) | Farmington Hills, 21 mi away | Sat · Sun · Evenings | — |
| 3 | Victors Home Solutions | 56 | 4.8★ (4,633) | Amherstburg, 13 mi away | Sat · Sun · Evenings | — |
| 4 | USA Insulation of SE Michigan | 56 | 4.8★ (313) | Ypsilanti, 8 mi away | — | — |
| 5 | Koala Insulation of Greater Ann Arbor and Brighton | 56 | 5.0★ (49) | Ann Arbor | — | — |
| 6 | Zebra Insulation LLC | 56 | 4.9★ (85) | Milford, 17 mi away | Sat · Sun | — |
| 7 | United | 56 | 5.0★ (14) | Ann Arbor | Sat · Evenings | — |
| 8 | Michigan Spray Foam Insulation | 55 | 5.0★ (25) | Ann Arbor | — | — |
| 9 | Emperor Insulation | 54 | 5.0★ (66) | Amherstburg, 23 mi away | Sat · Sun · Evenings | — |
| 10 | United Water Damage | 54 | 5.0★ (34) | Ann Arbor | 24/7 | Emergencies |
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 trade focus: 5.0★ from 29 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Farmington Hills, 21 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 149 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Amherstburg, 13 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 4,633 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ypsilanti, 8 mi away
Ranked #4 because of its Google rating and trade focus: 4.8★ from 313 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ann Arbor
Ranked #5 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milford, 17 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 85 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ann Arbor
Ranked #7 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 Ann Arbor
Ranked #8 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Amherstburg, 23 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ann Arbor
Ranked #10 because of its Google rating and availability: 5.0★ from 34 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Plymouth, 15 mi away
Ranked #11 because of its Google rating and review volume: 4.9★ from 184 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Westland, 19 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ann Arbor
Ranked #13 because of its Google rating and review volume: 4.9★ from 461 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Romulus, 18 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 234 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ann Arbor
Ranked #15 because of its Google rating and trade focus: 4.4★ from 11 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brighton, 17 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ann Arbor
Ranked #17 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “General contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Northville, 12 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 Ann Arbor
Ranked #19 because of its Google rating and review volume: 4.7★ from 314 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Romulus, 12 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Brighton, 17 mi away
Ranked #21 because of its Google rating and review volume: 4.8★ from 711 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Livonia, 17 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Whitmore Lake, 7 mi away
Ranked #23 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 Ann Arbor
Ranked #24 because of its Google rating and review volume: 4.9★ from 94 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Wixom, 20 mi away
Ranked #25 because of its Google rating and review volume: 4.7★ from 5,624 Google reviews, the most in Ann Arbor.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 75 ranked insulation contractors here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | ServiceMaster Restore By Jouny | 50 | 4.7★ (267) | 24 mi |
| 27 | Ace and Sons | 50 | 4.6★ (136) | 22 mi |
| 28 | Integrity Home Exteriors | 50 | 4.9★ (184) | 21 mi |
| 29 | United Spray Foam LLC | 50 | 5.0★ (17) | 24 mi |
| 30 | A1 Redford | 50 | 4.0★ (4) | 21 mi |
| 31 | Platinum Insulation Services | 49 | 4.3★ (6) | 24 mi |
| 32 | K Industrial LLC | 49 | 4.6★ (8) | 20 mi |
| 33 | Arctic | 49 | 4.5★ (18) | 16 mi |
| 34 | Marsh Contracting | 49 | 4.9★ (40) | In Ann Arbor |
| 35 | Ms. Green Construction | 49 | 4.3★ (28) | In Ann Arbor |
| 36 | The Modern Pros | 49 | 4.7★ (154) | 20 mi |
| 37 | 6 Insulation Services | 49 | 4.8★ (26) | 22 mi |
| 38 | Koala Insulation of Ann Arbor and East Lansing | 49 | 4.7★ (53) | 25 mi |
| 39 | New Roof, Inc | 49 | 4.8★ (28) | In Ann Arbor |
| 40 | MULTI-MAINTENANCE LLC | 49 | 5.0★ (3) | In Ann Arbor |
| 41 | Big Ike’s Roofing Co | 49 | 5.0★ (9) | In Ann Arbor |
| 42 | Power Home Remodeling | 48 | 4.2★ (2,585) | 20 mi |
| 43 | ABC Roofing and Remodeling | 48 | 5.0★ (73) | 24 mi |
| 44 | Farr's Mold Remediation, Inc. | 48 | 4.9★ (39) | 25 mi |
| 45 | Pure Energy Window Company | 48 | 5.0★ (98) | 19 mi |
| 46 | K&R Sprayfoam | 47 | 5.0★ (3) | 24 mi |
| 47 | Level Up Improvement | 47 | 5.0★ (130) | 24 mi |
| 48 | Best Choice Total Home Improvement | 47 | 4.8★ (184) | 23 mi |
| 49 | Ethical Exteriors Inc. | 47 | 4.9★ (117) | 24 mi |
| 50 | Sargent Roofing | 46 | 5.0★ (7) | 17 mi |
20 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 |
|---|---|---|
| Ace & Sons, Inc. | 5.0★ (1) | 25 mi |
| Amistee Air Duct Cleaning and Insulation | 19 mi | |
| Corry Contracting Company | 4.8★ (26) | In Ann Arbor |
| Crown Insulation Inc | 15 mi | |
| Custom Home Insulation LLC. | 23 mi | |
| Eco Shell Insulation Experts | 17 mi | |
| EcoShield Pest Solutions | 20 mi | |
| Existing LLC | 17 mi | |
| Foam Pros LLC | 19 mi | |
| Heat Grip Insulation Systems | 15 mi | |
| High Tech Insulators | 5.0★ (2) | 20 mi |
| Kincaide Construction | 3.0★ (2) | 15 mi |
| My Local Pros | 5.0★ (1) | 22 mi |
| Paint It Right | 4.9★ (154) | In Ann Arbor |
| Precision Spray Foam | 18 mi | |
| Resource Mechanical Insulation LLC | 19 mi | |
| Seal Block Co Insulation | 21 mi | |
| Seal MI Home Insulating Systems | 16 mi | |
| Smart Energy Insulation | 21 mi | |
| Verified Insulation Services LLC | 23 mi |
National price ranges in USD, not adjusted for Ann Arbor. 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 75 Ann Arbor 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 Ann Arbor 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 |