374 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Ancaster: Renewal by Andersen of Greater Toronto, CR Score 87/100; 4.8★ from 2,808 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): MasterKey Locksmith Glass & Doors, posts 24/7 hours; ranked #2 of 374.
Most-reviewed: Nordik Windows and Doors, 799 Google reviews at 4.7★, the most of 374 ranked after Renewal by Andersen of Greater Toronto; ranked #48.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
374 Ancaster window installers are ranked here by CR Score, from 8 published factors. 40 are open 24/7, 217 open Saturdays and 123 open Sundays, based on posted hours. The median Google rating is 4.8★ across 374 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Renewal by Andersen of Greater Toronto | 87 | 4.8★ (2,808) | Mississauga, 47 km away | Sat · Sun · Evenings | Overall |
| 2 | MasterKey Locksmith Glass & Doors | 86 | 4.9★ (187) | Kitchener, 45 km away | 24/7 | Emergencies |
| 3 | All-Brite Glass & Tint - Home & Business | 85 | 5.0★ (85) | Kitchener, 43 km away | 24/7 | — |
| 4 | BM Windows and Doors | 85 | 5.0★ (143) | Etobicoke, 55 km away | 24/7 | — |
| 5 | Top Rung Window Cleaning | 84 | 5.0★ (404) | Hamilton, 17 km away | Sat · Sun · Evenings | — |
| 6 | MasterShine Window & Eaves Cleaning Halton | 84 | 5.0★ (420) | Burlington, 18 km away | Sat · Sun · Evenings | — |
| 7 | Oakville Renovation | 84 | 5.0★ (39) | Oakville, 39 km away | 24/7 | — |
| 8 | Brookstone Windows & Doors | 84 | 4.5★ (378) | Hamilton, 18 km away | Sat · Sun · Evenings | — |
| 9 | Clera Windows + Doors | 84 | 4.9★ (50) | Burlington, 10 km away | Sat · Sun · Evenings | — |
| 10 | Brookstone Windows & Doors | 84 | 4.6★ (497) | Cambridge, 32 km away | Sat · Sun · Evenings | — |
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 2,808 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kitchener, 45 km away
Ranked #2 because of its Google rating and availability: 4.9★ from 187 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kitchener, 43 km away
Ranked #3 because of its Google rating and availability: 5.0★ from 85 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Etobicoke, 55 km away
Ranked #4 because of its Google rating and availability: 5.0★ from 143 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hamilton, 17 km away
Ranked #5 because of its Google rating and availability: 5.0★ from 404 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Burlington, 18 km away
Ranked #6 because of its Google rating and availability: 5.0★ from 420 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Oakville, 39 km away
Ranked #7 because of its Google rating and availability: 5.0★ from 39 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hamilton, 18 km away
Ranked #8 because of its Google rating and trade focus: 4.5★ from 378 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Burlington, 10 km away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 50 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cambridge, 32 km away
Ranked #10 because of its Google rating and trade focus: 4.6★ from 497 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cambridge, 35 km away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 122 Google reviews, listed on Google as “Window installation service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Mississauga, 56 km away
Ranked #12 because of its Google rating and availability: 4.9★ from 78 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brantford, 20 km away
Ranked #13 because of its Google rating and trade focus: 4.7★ 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 Oakville, 29 km away
Ranked #14 because of its Google rating and availability: 5.0★ from 123 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Perth, 63 km away
Ranked #15 because of its Google rating and availability: 5.0★ from 303 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Oakville, 37 km away
Ranked #16 because of its Google rating and availability: 5.0★ from 351 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Etobicoke, 62 km away
Ranked #17 because of its Google rating and availability: 5.0★ from 42 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Etobicoke, 55 km away
Ranked #18 because of its Google rating and availability: 5.0★ from 157 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hamilton, 10 km away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Etobicoke, 62 km away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 145 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hamilton, 21 km away
Ranked #21 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mississauga, 54 km away
Ranked #22 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hamilton, 17 km away
Ranked #23 because of its Google rating and review volume: 4.8★ from 766 Google reviews, 766 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hamilton, 10 km away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 84 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in King, 64 km away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 156 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 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 374 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.
US national ranges converted to CAD, not adjusted for Ancaster. 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 374 Ancaster 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 Ancaster 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 |