39 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Petrolia: Brookstone Windows & Doors, CR Score 86/100; 4.8★ from 255 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Reasonable Roofing & Contracting, posts 24/7 hours; ranked #2 of 39.
Most-reviewed: First Response Roofing and Construction, LLC, 429 Google reviews at 4.8★, the most of 39 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
39 Petrolia window installers are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 15 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.8★ across 39 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Brookstone Windows & Doors | 86 | 4.8★ (255) | Chatham, 50 km away | Sat · Sun · Evenings | Overall |
| 2 | Reasonable Roofing & Contracting | 84 | 4.8★ (179) | Port Huron, 26 km away | 24/7 | Emergencies |
| 3 | EcoTech Windows & Doors Chatham | 82 | 5.0★ (157) | Chatham, 52 km away | Sat · Evenings | — |
| 4 | Garage - All by Durocher Construction | 81 | 5.0★ (12) | Sarnia, 23 km away | — | — |
| 5 | Lambton Window Pros | 81 | 5.0★ (30) | Sarnia, 37 km away | 24/7 | — |
| 6 | Michigan Remodeling | 79 | 4.8★ (105) | Port Huron, 27 km away | Sat · Sun · Evenings | — |
| 7 | First Response Roofing and Construction, LLC | 79 | 4.8★ (429) | Port Huron, 27 km away | Sat | Most reviews |
| 8 | Your View Professional Window Cleaning | 78 | 5.0★ (41) | Sarnia, 40 km away | Sat · Sun · Evenings | — |
| 9 | Union Properties Construction | 78 | 4.9★ (69) | Port Huron, 28 km away | — | — |
| 10 | St Clair Windows and Doors | 77 | 4.7★ (66) | Sarnia, 23 km 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 trade focus: 4.8★ from 255 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Port Huron, 26 km away
Ranked #2 because of its Google rating and availability: 4.8★ from 179 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chatham, 52 km away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 157 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sarnia, 23 km away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Window installation service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Sarnia, 37 km away
Ranked #5 because of its Google rating and availability: 5.0★ from 30 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Port Huron, 27 km away
Ranked #6 because of its Google rating and review volume: 4.8★ from 105 Google reviews, 105 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Port Huron, 27 km away
Ranked #7 because of its Google rating and review volume: 4.8★ from 429 Google reviews, the most Google reviews on this list (429).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sarnia, 40 km away
Ranked #8 because of its Google rating and availability: 5.0★ from 41 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Port Huron, 28 km away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 69 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sarnia, 23 km away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 66 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Baltimore, 47 km away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 30 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Clinton Township, 49 km away
Ranked #12 because of its Google rating and trade focus: 3.9★ from 22 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sarnia, 19 km away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 48 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sarnia, 20 km away
Ranked #14 because of its Google rating and trade focus: 4.5★ from 71 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chatham, 51 km away
Ranked #15 because of its Google rating and trade focus: 4.6★ from 8 Google reviews, listed on Google as “Window installation service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Sarnia, 22 km away
Ranked #16 because of its Google rating and availability: 4.2★ from 5 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chatham, 53 km away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 77 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chatham, 57 km away
Ranked #18 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Clinton Township, 56 km away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 76 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Baltimore, 57 km away
Ranked #20 because of its Google rating and trade focus: 4.4★ from 238 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sarnia, 16 km away
Ranked #21 because of its Google rating and trade focus: 4.0★ from 30 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sarnia, 19 km away
Ranked #22 because of its Google rating and trade focus: 4.5★ from 19 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chatham, 49 km away
Ranked #23 because of its Google rating and trade focus: 4.4★ from 87 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chatham, 50 km away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chatham, 51 km away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 21 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
US national ranges converted to CAD, not adjusted for Petrolia. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | CA$4,830 | CA$10,330 | CA$16,640 | Per project (several windows): typical range of customer-reported projects. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
We scored 39 Petrolia window installers 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 Petrolia 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 |