119 insulation contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Troy: Ecotelligent Homes, CR Score 83/100; 5.0★ from 149 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Four Seasons Kanga Roof, posts 24/7 hours; ranked #3 of 119.
Most-reviewed: Performance Remodeling, 955 Google reviews at 4.7★, the most of 119 ranked; ranked #37.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
119 Troy insulation contractors are ranked here by CR Score, from 8 published factors. 12 are open 24/7, 73 open Saturdays and 37 open Sundays, based on posted hours. The median Google rating is 4.9★ across 119 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Ecotelligent Homes | 83 | 5.0★ (149) | Farmington Hills, 17 mi away | Sat · Sun · Evenings | Overall |
| 2 | Severson Co | 83 | 5.0★ (63) | Auburn Hills, 11 mi away | Sat · Sun | — |
| 3 | Four Seasons Kanga Roof | 83 | 4.8★ (953) | Roseville, 12 mi away | 24/7 | Emergencies |
| 4 | Premier Roofing | 82 | 4.6★ (186) | Fraser, 12 mi away | Sat · Sun · Evenings | — |
| 5 | 180 Contractors Roofing & Siding | 82 | 5.0★ (240) | Auburn Hills, 13 mi away | 24/7 | — |
| 6 | L&S Home Improvements | 82 | 4.9★ (307) | Warren, 12 mi away | 24/7 | — |
| 7 | BCM Roofing | 82 | 4.9★ (336) | Auburn Hills, 13 mi away | 24/7 | — |
| 8 | Emperor Insulation | 81 | 5.0★ (66) | Amherstburg, 17 mi away | Sat · Sun · Evenings | — |
| 9 | The SprayFoam Doctor | 81 | 5.0★ (59) | Auburn Hills, 4 mi away | Sat | — |
| 10 | Active Energy Engineering, Inc | 80 | 5.0★ (30) | Clinton Township, 15 mi away | Sat · Sun · Evenings | — |
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: 5.0★ from 149 Google reviews, listed on Google as “Insulation contractor”.
Based in Auburn Hills, 11 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Insulation contractor”.
Based in Roseville, 12 mi away
Ranked #3 because of its Google rating and availability: 4.8★ from 953 Google reviews, open 24/7.
Based in Fraser, 12 mi away
Ranked #4 because of its Google rating and trade focus: 4.6★ from 186 Google reviews, listed on Google as “Insulation contractor”.
Based in Auburn Hills, 13 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 240 Google reviews, open 24/7.
Based in Warren, 12 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 307 Google reviews, open 24/7.
Based in Auburn Hills, 13 mi away
Ranked #7 because of its Google rating and availability: 4.9★ from 336 Google reviews, open 24/7.
Based in Amherstburg, 17 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 66 Google reviews, listed on Google as “Insulation contractor”.
Based in Auburn Hills, 4 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 59 Google reviews, listed on Google as “Insulation contractor”.
Based in Clinton Township, 15 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Insulation contractor”.
Based in Ferndale, 10 mi away
Ranked #11 because of its Google rating and availability: 4.8★ from 93 Google reviews, open 24/7.
Based in Milford, 24 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 85 Google reviews, listed on Google as “Insulation contractor”.
Based in Rochester, 5 mi away
Ranked #13 because of its Google rating and availability: 4.5★ from 120 Google reviews, open 24/7.
Based in Pontiac, 9 mi away
Ranked #14 because of its Google rating and availability: 4.6★ from 154 Google reviews, open 24/7.
Based in Sterling Heights, 5 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 5 Google reviews, listed on Google as “Insulation contractor”.
Based in Farmington Hills, 13 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 in Warren, 13 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Insulation contractor”.
Based in Clinton Township, 14 mi away
Ranked #18 because of its Google rating and availability: 5.0★ from 264 Google reviews, open 7 days a week.
Based in Rochester, 3 mi away
Ranked #19 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Insulation contractor”.
Based in Windsor, 22 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
Based in Clinton Township, 13 mi away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based in Dearborn Heights, 20 mi away
Ranked #22 because of its Google rating and availability: 4.7★ from 267 Google reviews, open 24/7.
Based in New Baltimore, 15 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Insulation contractor”.
Based in Plymouth, 23 mi away
Ranked #24 because of its Google rating and availability: 4.9★ from 184 Google reviews, open 24/7.
Based in Sterling Heights, 7 mi away
Ranked #25 because of its Google rating and availability: 4.7★ from 271 Google reviews, open 7 days a week.
#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 119 ranked insulation contractors here; the rest are on their profiles.
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 |
|---|---|---|
| 1-800-HANSONS | 4.3★ (3,864) | In Troy |
| Ace Construction and Fireplace | 4.9★ (135) | In Troy |
| Brighton Replacement Windows by TSW | 5.0★ (1) | 7 mi |
| Commercial Building & Retrofit, Inc | In Troy | |
| Davison Home Services | 4.8★ (1,204) | In Troy |
| Doan, LLC | 4.9★ (107) | In Troy |
| Eco Windsor | 5.0★ (2) | 23 mi |
| Fill It Insulation | 5.0★ (2) | 10 mi |
| Green Homes Roofing & Solar | 4.6★ (58) | In Troy |
| Hagen Insulation Inc | 5.0★ (2) | 7 mi |
| Havener Tech LLC | In Troy | |
| High Tech Insulators | 5.0★ (2) | 20 mi |
| Installation Services Llc | 4.9★ (643) | In Troy |
| Insulation Experts LLC | 5.0★ (1) | 4 mi |
| Master Mechanical Insulation | In Troy | |
| Quality Spray Insulation | 5.0★ (2) | 24 mi |
| Rempel Diversified Inc | 3.0★ (2) | 22 mi |
| Sultan Homes | In Troy | |
| Synergy Insulation Systems | 2.0★ (2) | 21 mi |
| The Carpet Guys | 4.9★ (6,007) | In Troy |
National price ranges in USD, not adjusted for Troy. 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 119 Troy 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 Troy 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 |