52 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Sarnia: Reasonable Roofing & Contracting, CR Score 58/100; 4.8★ from 179 Google reviews; open 24/7.
Best for emergencies (open 24/7): Lambton Window Pros, posts 24/7 hours; ranked #2 of 52.
Most-reviewed: Performance Remodeling, 955 Google reviews at 4.7★, the most of 52 ranked; ranked #25.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
52 Sarnia window installers are ranked here by CR Score, from ten published factors. 3 are open 24/7, 26 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.8★ across 52 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Reasonable Roofing & Contracting | 58 | 4.8★ (179) | Port Huron, 4 km away | 24/7 | Overall |
| 2 | Lambton Window Pros | 58 | 5.0★ (30) | Sarnia | 24/7 | Emergencies |
| 3 | Union Properties Construction | 57 | 4.9★ (69) | Port Huron, 6 km away | — | — |
| 4 | St Clair Windows and Doors | 57 | 4.7★ (66) | Sarnia | — | — |
| 5 | Your View Professional Window Cleaning | 57 | 5.0★ (41) | Sarnia | Sat · Sun · Evenings | — |
| 6 | Garage - All by Durocher Construction | 57 | 5.0★ (12) | Sarnia | — | — |
| 7 | Speedy Glass Sarnia | 56 | 4.5★ (71) | Sarnia | — | — |
| 8 | Glass Doctor Home + Business of Sarnia/Lambton County | 56 | 4.6★ (48) | Sarnia | — | — |
| 9 | First Response Roofing and Construction, LLC | 56 | 4.8★ (429) | Port Huron, 4 km away | Sat | — |
| 10 | Michigan Remodeling | 55 | 4.8★ (105) | Port Huron, 3 km away | Sat · Sun · Evenings | — |
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: 4.8★ from 179 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia
Ranked #2 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Huron, 6 km away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 69 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia
Ranked #4 because of its Google rating and trade focus: 4.7★ from 66 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia
Ranked #5 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Window cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia
Ranked #6 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Window installation service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Sarnia
Ranked #7 because of its Google rating and trade focus: 4.5★ from 71 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia
Ranked #8 because of its Google rating and trade focus: 4.6★ from 48 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Huron, 4 km away
Ranked #9 because of its Google rating and review volume: 4.8★ from 429 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Huron, 3 km away
Ranked #10 because of its Google rating and review volume: 4.8★ from 105 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia
Ranked #11 because of its Google rating and trade focus: 4.5★ from 19 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia
Ranked #12 because of its Google rating and trade focus: 4.0★ from 30 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clinton Township, 47 km away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 76 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Port Huron, 7 km away
Ranked #14 because of its Google rating and trade focus: 4.0★ from 73 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Baltimore, 39 km away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 30 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Baltimore, 44 km away
Ranked #16 because of its Google rating and trade focus: 4.4★ from 238 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sterling Heights, 64 km away
Ranked #17 because of its Google rating and trade focus: 4.7★ from 33 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clinton Township, 62 km away
Ranked #18 because of its Google rating and review volume: 4.8★ from 168 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clinton Township, 40 km away
Ranked #19 because of its Google rating and trade focus: 3.9★ from 22 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rochester Hills, 60 km away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sterling Heights, 63 km away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 48 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia
Ranked #22 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sarnia
Ranked #23 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Bathroom remodeler”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clinton Township, 56 km away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 26 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Clinton Township, 59 km away
Ranked #25 because of its Google rating and review volume: 4.7★ from 955 Google reviews, the most in Sarnia.
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 52 ranked window installers here; the rest are on their profiles.
20 more window installers within 64 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| AHS Windows & Doors | In Sarnia | |
| Cheyne Construction | 4.0★ (1) | In Sarnia |
| Concrete Sarnia: Concrete Contractors | 5.0★ (1) | In Sarnia |
| Eco Insulation | 4.2★ (5) | In Sarnia |
| Edwards Door Systems | 4.6★ (24) | In Sarnia |
| First General Sarnia | 4.6★ (10) | In Sarnia |
| G&J Renovations and Handyman Services | 4.9★ (33) | In Sarnia |
| Greenstone Roofing and Renovations | 5.0★ (7) | In Sarnia |
| Guardian Roofing | Windows - steel - eavestrough Supply or Installation Brigden, Ontario | In Sarnia | |
| Heritage 1957 Inc. | In Sarnia | |
| Lambton Overhead Doors | 4.2★ (33) | In Sarnia |
| MN Mechanical | 5.0★ (76) | In Sarnia |
| Nathan Homes | 5.0★ (1) | In Sarnia |
| Pro Desk at RONA+ | 5.0★ (1) | In Sarnia |
| Sarnia Glass | 4.6★ (18) | In Sarnia |
| Sarnia Pro Roofing | 4.6★ (19) | In Sarnia |
| Sarnia YardWorks | 5.0★ (4) | In Sarnia |
| Snow Siding | 4.2★ (19) | In Sarnia |
| William Standen Co. | 4.5★ (27) | In Sarnia |
| Windows By Shawn | 5.0★ (2) | 23 km |
US national ranges converted to CAD, not adjusted for Sarnia. 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 52 Sarnia window installers 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 Sarnia 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 |