199 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Niagara Falls: Window Repair Guys, CR Score 61/100; 5.0★ from 617 Google reviews.
Best for emergencies (open 24/7): The Window Source of WNY, posts 24/7 hours; ranked #5 of 199.
Most-reviewed: Renewal By Andersen of Western New York, 1,066 Google reviews at 4.8★, the most of 199 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
199 Niagara Falls window installers are ranked here by CR Score, from ten published factors. 26 are open 24/7, 95 open Saturdays and 49 open Sundays, based on posted hours. The median Google rating is 4.9★ across 199 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Window Repair Guys | 61 | 5.0★ (617) | St. Catharines, 17 km away | — | Overall |
| 2 | Renewal By Andersen of Western New York | 61 | 4.8★ (1,066) | Depew, 35 km away | Sat | Most reviews |
| 3 | Braymiller Builders of WNY Inc. | 60 | 4.9★ (1,065) | Hamburg, 46 km away | Sat | — |
| 4 | Complete Auto Glass Solutions | 60 | 5.0★ (197) | Niagara Falls | — | — |
| 5 | The Window Source of WNY | 60 | 4.9★ (53) | Buffalo, 23 km away | 24/7 | Emergencies |
| 6 | BlindsTech Shutters and Blinds | 60 | 5.0★ (37) | Niagara Falls | Sat · Sun | — |
| 7 | Wonder Windows Buffalo | 60 | 4.5★ (208) | Buffalo, 35 km away | 24/7 | — |
| 8 | Express Windows | 60 | 4.7★ (318) | Buffalo, 21 km away | Sat · Evenings | — |
| 9 | Niagara Egress Masters | 60 | 4.8★ (84) | Niagara Falls | Sat | — |
| 10 | Paramount Windows & Doors | 59 | 4.9★ (95) | Buffalo, 43 km away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 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 617 Google reviews, listed on Google as “Window installation service”.
Based in Depew, 35 km away
Ranked #2 because of its Google rating and review volume: 4.8★ from 1,066 Google reviews, the most in Niagara Falls.
Based in Hamburg, 46 km away
Ranked #3 because of its Google rating and review volume: 4.9★ from 1,065 Google reviews.
Based in Niagara Falls
Ranked #4 because of its Google rating and trade focus: 5.0★ from 197 Google reviews, listed on Google as “Window installation service”.
Based in Buffalo, 23 km away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 53 Google reviews, listed on Google as “Window installation service”.
Based in Niagara Falls
Ranked #6 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Window installation service”.
Based in Buffalo, 35 km away
Ranked #7 because of its Google rating and trade focus: 4.5★ from 208 Google reviews, listed on Google as “Window installation service”.
Based in Buffalo, 21 km away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 318 Google reviews, listed on Google as “Window installation service”.
Based in Niagara Falls
Ranked #9 because of its Google rating and trade focus: 4.8★ from 84 Google reviews, listed on Google as “Window installation service”.
Based in Buffalo, 43 km away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 95 Google reviews, listed on Google as “Window installation service”.
Based in Norfolk County, 16 km away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 105 Google reviews, listed on Google as “Window installation service”.
Based in St. Catharines, 13 km away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 155 Google reviews, listed on Google as “Window installation service”.
Based in Buffalo, 22 km away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 468 Google reviews, listed on Google as “Window installation service”.
Based in Thorold, 13 km away
Ranked #14 because of its Google rating and review volume: 5.0★ from 243 Google reviews.
Based in Tonawanda, 19 km away
Ranked #15 because of its Google rating and trade focus: 4.2★ from 120 Google reviews, listed on Google as “Window installation service”.
Based in Welland, 22 km away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 280 Google reviews, listed on Google as “Window installation service”.
Based in Etobicoke, 64 km away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 143 Google reviews, listed on Google as “Window installation service”.
Based in Niagara Falls
Ranked #18 because of its Google rating and trade focus: 5.0★ from 79 Google reviews, listed on Google as “Window cleaning service”.
Based in St. Catharines, 14 km away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “Gutter Cleaning Service”.
Based in St. Catharines, 17 km away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 60 Google reviews, listed on Google as “Window installation service”.
Based in Niagara Falls
Ranked #21 because of its Google rating and trade focus: 4.9★ from 83 Google reviews, listed on Google as “Window installation service”.
Based in Tonawanda, 20 km away
Ranked #22 because of its Google rating and trade focus: 4.3★ from 438 Google reviews, listed on Google as “Window installation service”.
Based in St. Catharines, 16 km away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 52 Google reviews, listed on Google as “Window installation service”.
Based in Niagara Falls
Ranked #24 because of its Google rating and trade focus: 4.6★ from 123 Google reviews, listed on Google as “Window installation service”.
Based in North Tonawanda, 19 km away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 205 Google reviews, listed on Google as “Window installation service”.
#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 199 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 Niagara Falls. 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 199 Niagara Falls 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 Niagara Falls 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 |