11 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Thunder Bay: Speedy Glass Thunder Bay, CR Score 61/100; 4.5★ from 95 Google reviews.
Most-reviewed: Apple Auto Glass Thunder Bay, 84 Google reviews at 4.5★, the most of 11 ranked after Speedy Glass Thunder Bay; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
11 Thunder Bay window installers are ranked here by CR Score, from ten published factors. 1 open Saturdays, based on posted hours. The median Google rating is 4.8★ across 11 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Speedy Glass Thunder Bay | 61 | 4.5★ (95) | Thunder Bay | — | Overall |
| 2 | Apple Auto Glass Thunder Bay | 61 | 4.5★ (84) | Thunder Bay | — | Most reviews |
| 3 | AFAB HOME IMPROVEMENTS | 60 | 4.8★ (19) | Thunder Bay | Sat | — |
| 4 | afab windows and doors | 58 | 5.0★ (8) | Thunder Bay | — | — |
| 5 | SRS Windows and Doors Inc. | 58 | 4.3★ (28) | Thunder Bay | — | — |
| 6 | Bee-Rite Glass & Windows | 57 | 5.0★ (12) | Thunder Bay | — | — |
| 7 | Exterior Finishing | 57 | 4.1★ (18) | Thunder Bay | — | — |
| 8 | Strasser & Lang | 55 | 4.8★ (79) | Thunder Bay | — | — |
| 9 | DKI - TIL-KA | 54 | 4.7★ (46) | Thunder Bay | — | — |
| 10 | MJM Contracting | 50 | 5.0★ (9) | Thunder Bay | — | — |
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: 4.5★ from 95 Google reviews, the most in Thunder Bay.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thunder Bay
Ranked #2 because of its Google rating and trade focus: 4.5★ from 84 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thunder Bay
Ranked #3 because of its Google rating and trade focus: 4.8★ 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 Thunder Bay
Ranked #4 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Window installation service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Thunder Bay
Ranked #5 because of its Google rating and trade focus: 4.3★ from 28 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thunder Bay
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 8 of 10 factors; credentials and recency not yet collected.
Based in Thunder Bay
Ranked #7 because of its Google rating and trade focus: 4.1★ from 18 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thunder Bay
Ranked #8 because of its Google rating and review volume: 4.8★ from 79 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thunder Bay
Ranked #9 because of its Google rating and review volume: 4.7★ from 46 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thunder Bay
Ranked #10 because of its Google rating and review volume: 5.0★ from 9 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Thunder Bay
Ranked #11 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Window supplier”.
Based on 8 of 10 factors; credentials and recency not yet collected.
19 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 |
|---|---|---|
| 5 Star Finishing | In Thunder Bay | |
| All Trades Contracting | 5.0★ (2) | In Thunder Bay |
| Bayview Renovations & Contracting | 5.0★ (3) | In Thunder Bay |
| Duchesne's Services | 5.0★ (105) | In Thunder Bay |
| Elements North Roofing & Exterior Solutions | 5.0★ (6) | In Thunder Bay |
| Elson the Painter Contracting Inc | In Thunder Bay | |
| Finnway General Contractor Inc | 3.1★ (10) | In Thunder Bay |
| Groundhogs™ | 4.9★ (113) | In Thunder Bay |
| Harper Insulation Inc | 4.8★ (30) | In Thunder Bay |
| Klix Services | 5.0★ (79) | In Thunder Bay |
| Lindal Cedar Homes & Additions | 5.0★ (2) | In Thunder Bay |
| Makela Construction Inc. | 5.0★ (7) | In Thunder Bay |
| Nordex Contracting INC. | 5.0★ (9) | In Thunder Bay |
| Northern Home Solutions | In Thunder Bay | |
| Northern Window Manufacturing Ltd | In Thunder Bay | |
| Prisma Property Services | 4.8★ (23) | In Thunder Bay |
| SRL Contracting Corp. | 4.9★ (32) | In Thunder Bay |
| Termax Service Group | 5.0★ (27) | In Thunder Bay |
| Whitehall Contractors Inc | 5.0★ (2) | In Thunder Bay |
US national ranges converted to CAD, not adjusted for Thunder Bay. 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 11 Thunder Bay 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 Thunder Bay 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 |