63 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Perth: WindowGuru Window Cleaning, CR Score 83/100; 5.0★ from 329 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Advantage Enterprises Windows & Doors (Ottawa), posts 24/7 hours; ranked #12 of 63.
Most-reviewed: Elite Window Cleaning of Ottawa-Carleton Place-Perth, 658 Google reviews at 4.9★, the most of 63 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
63 Perth window installers are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 22 open Saturdays and 13 open Sundays, based on posted hours. The median Google rating is 4.9★ across 63 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | WindowGuru Window Cleaning | 83 | 5.0★ (329) | Ottawa, 51 km away | Sat · Sun · Evenings | Overall |
| 2 | North Design Windows | 82 | 4.9★ (61) | Kanata, 48 km away | Sat · Sun | — |
| 3 | Ottawa Student Windows | 82 | 4.9★ (402) | Nepean, 57 km away | Sat · Sun · Evenings | — |
| 4 | Elite Window Cleaning of Ottawa-Carleton Place-Perth | 78 | 4.9★ (658) | Carleton Place, 45 km away | Evenings | Most reviews |
| 5 | Advanced View Windows and Doors Inc. | 77 | 5.0★ (172) | Ottawa, 64 km away | — | — |
| 6 | YANDL Windows and Doors Ottawa | 77 | 5.0★ (7) | Kanata, 52 km away | Sat · Sun | — |
| 7 | Ecoline Windows and Doors Ottawa | 76 | 4.7★ (399) | Ottawa, 63 km away | Evenings | — |
| 8 | Verdun Windows and Doors | 76 | 4.7★ (469) | Nepean, 64 km away | — | — |
| 9 | Bayview Windows (Ottawa) | 76 | 4.8★ (154) | Nepean, 45 km away | — | — |
| 10 | Window Medics | 76 | 3.7★ (370) | Nepean, 58 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 review volume: 5.0★ from 329 Google reviews, 329 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kanata, 48 km away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean, 57 km away
Ranked #3 because of its Google rating and review volume: 4.9★ from 402 Google reviews, 402 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Carleton Place, 45 km away
Ranked #4 because of its Google rating and review volume: 4.9★ from 658 Google reviews, the most Google reviews on this list (658).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 64 km away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 172 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kanata, 52 km away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 63 km away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 399 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean, 64 km away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 469 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean, 45 km away
Ranked #9 because of its Google rating and trade focus: 4.8★ from 154 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean, 58 km away
Ranked #10 because of its Google rating and trade focus: 3.7★ from 370 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean, 54 km away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 132 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 58 km away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kanata, 52 km away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 63 km away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 63 km away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 131 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kingston, 60 km away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 8 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Brockville, 40 km away
Ranked #17 because of its Google rating and trade focus: 4.6★ from 70 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Queenswood Heights, 58 km away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 65 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 63 km away
Ranked #19 because of its Google rating and trade focus: 3.8★ from 109 Google reviews, listed on Google as “Window installation service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Ottawa, 64 km away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean, 63 km away
Ranked #21 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Kanata, 52 km away
Ranked #22 because of its Google rating and review volume: 4.9★ from 139 Google reviews, 139 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean, 62 km away
Ranked #23 because of its Google rating and trade focus: 4.2★ from 67 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ottawa, 49 km away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Nepean, 63 km away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 59 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 63 ranked window installers here; the rest are on their profiles.
14 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 |
|---|---|---|
| Bell Windows & Siding | 5.0★ (1) | 46 km |
| Big City Replacement Windows Ottawa | 5.0★ (1) | 59 km |
| Burnside Windows & Doors | 55 km | |
| Home Services at The Home Depot | 28 km | |
| Home Services at The Home Depot | 55 km | |
| Pagi Construction | 5.0★ (1) | 52 km |
| Pro Desk at RONA | 28 km | |
| Pro Desk at RONA | 60 km | |
| ROLLerUP Solutions Inc | 5.0★ (2) | 52 km |
| San Bruno Group | 5.0★ (1) | 63 km |
| Sandridge Carpentry - Kitchen Design | 39 km | |
| Sidingworks | 52 km | |
| Stark Windows & Doors | 1.0★ (1) | 61 km |
| The Time 2 Shine Window Cleaning | 62 km |
US national ranges converted to CAD, not adjusted for Perth. 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 63 Perth 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 Perth 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 |