89/100CR Score
Ranked #1 because of its Google rating and availability: 4.9★ from 364 Google reviews, open 24/7.
- 4.9★ from 364 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 532 Montréal Rd Suite 255, Ottawa, ON K1K 4R4
Best Window Installers in Ottawa, ON (2026)
93 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Ottawa: Performance Window Cleaning, CR Score 89/100; 4.9★ from 364 Google reviews; open 24/7.
- 5
Best for emergencies (open 24/7): Capital Door Tech, posts 24/7 hours; ranked #5 of 93.
- 8
Most-reviewed: Verdun Windows and Doors, 1,986 Google reviews at 4.6★, the most of 93 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
93 Ottawa window installers are ranked here by CR Score, from 8 published factors. 4 are open 24/7, 30 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 4.9★ across 93 rated businesses.
Top 10 window installers in Ottawa at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Performance Window Cleaning | 89 | 4.9★ (364) | Ottawa | 24/7 | Overall |
| 2 | WindowGuru Window Cleaning | 87 | 5.0★ (329) | Ottawa | Sat · Sun · Evenings | — |
| 3 | Ottawa Student Windows | 85 | 4.9★ (402) | Nepean, 15 km away | Sat · Sun · Evenings | — |
| 4 | EcoTech Windows & Doors - Ottawa | 85 | 4.9★ (137) | Ottawa | Sat · Evenings | — |
| 5 | Capital Door Tech | 84 | 5.0★ (4) | Ottawa | 24/7 | Emergencies |
| 6 | North Design Windows | 84 | 4.9★ (61) | Kanata, 24 km away | Sat · Sun | — |
| 7 | Centennial Glass | 84 | 4.6★ (340) | Ottawa | Sat | — |
| 8 | Verdun Windows and Doors | 83 | 4.6★ (1,986) | Ottawa | — | Most reviews |
| 9 | Advanced View Windows and Doors Inc. | 82 | 5.0★ (172) | Ottawa | — | — |
| 10 | Paramount Roofing & Renovations | Ottawa Siding & Windows and Doors Specialized Contractor | 82 | 5.0★ (8) | Ottawa | 24/7 | — |
The 93 best window installers in Ottawa, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Ottawa
87/100CR ScoreRanked #2 because of its Google rating and review volume: 5.0★ from 329 Google reviews, 329 Google reviews.
- 5.0★ from 329 Google reviews
- Hours
- Mon–Fri 8 AM–8 PM · Sat–Sun 8 AM–6 PM
- Address
- 281 Sceptre Way, Ottawa, ON K2V 0C6
Based in Nepean, 15 km away
85/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 402 Google reviews, 402 Google reviews.
- 4.9★ from 402 Google reviews
- Hours
- Mon–Sun 8:30 AM–6:30 PM
Based in Ottawa
85/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 137 Google reviews, listed on Google as “Window installation service”.
- 4.9★ from 137 Google reviews
- Hours
- Mon–Fri 8 AM–8 PM · Sat 9 AM–5 PM · Sun closed
- Address
- 116 Albert St Suites 200 & 300, Ottawa, ON K1P 5G3
Based in Ottawa
84/100CR ScoreRanked #5 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
- 5.0★ from 4 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1440 Mayview Ave Unit 805, Ottawa, ON K1Z 8H8
Based in Kanata, 24 km away
84/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Window installation service”.
- 4.9★ from 61 Google reviews
- Hours
- Mon–Sun 9 AM–5 PM
- Address
- 44 Hawks Landing Cres, Stittsville, ON K1G 6L3
Based in Ottawa
84/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.6★ from 340 Google reviews, listed on Google as “Window installation service”.
- 4.6★ from 340 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 9 AM–4 PM · Sun closed
- Address
- 855 Industrial Ave #8, Ottawa, ON K1G 4L4
Based in Ottawa
83/100CR ScoreRanked #8 because of its Google rating and review volume: 4.6★ from 1,986 Google reviews, the most Google reviews on this list (1,986).
- 4.6★ from 1,986 Google reviews
- Hours
- Mon–Fri 7:30 AM–4:30 PM · Sat–Sun closed
- Address
- 104 Clement St, Vars, ON K0A 3H0
Based in Ottawa
82/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 172 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 172 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat–Sun closed
- Address
- 81 Auriga Dr #16, Ottawa, ON K2E 7Y5
Based in Ottawa
82/100CR ScoreRanked #10 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 24/7.
- 5.0★ from 8 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1554 Carling Ave Suite 323-1, Ottawa, ON K1Z 7M4
Based in Ottawa
81/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 399 Google reviews, listed on Google as “Window installation service”.
- 4.7★ from 399 Google reviews
- Hours
- Mon–Fri 10 AM–8 PM · Sat–Sun closed
- Address
- 2081 Merivale Rd #201, Ottawa, ON K2G 1G9
#12 AK Windows
Based in Nepean, 7 km away
81/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 44 Google reviews, listed on Google as “Window installation service”.
- 4.8★ from 44 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat 9 AM–6 PM · Sun closed
- Address
- 53 Assiniboine Dr, Nepean, ON K2E 5R8
Based in Ottawa
81/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 204 Google reviews, listed on Google as “Window installation service”.
- 4.9★ from 204 Google reviews
- Hours
- Mon–Thu 8 AM–4 PM · Fri 8 AM–3 PM · Sat–Sun closed
- Address
- 2900 Sheffield Rd Unit#6, Ottawa, ON K1B 1A4
Based in Ottawa
81/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 25 Google reviews, listed on Google as “Window installation service”.
- 4.8★ from 25 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1902 Robertson Rd. #202K, Ottawa, ON K2H 5B8
#15 AutoPro Shop
Based in Ottawa
80/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 31 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
- Address
- 12 Cleopatra Dr Unit B, Ottawa, ON K2G 0B3
Based in Ottawa
80/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 7 days a week.
- 5.0★ from 21 Google reviews
- Hours
- Mon–Sat 9 AM–9 PM · Sun 9 AM–8 PM
- Address
- 1448 Shawinigan St, Ottawa, ON K4A 2N2
Based in Clarence-Rockland, 18 km away
80/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 46 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 46 Google reviews
- Hours
- Mon–Sat 9 AM–5 PM · Sun closed
- Address
- 1617 Delia Crescent, Orléans, ON K4A 2K6
Based in Nepean, 9 km away
80/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 469 Google reviews, listed on Google as “Window installation service”.
- 4.7★ from 469 Google reviews
- Hours
- Mon–Fri 7:30 AM–4:30 PM · Sat–Sun closed
- Address
- 56 Antares Dr, Nepean, ON K2E 7V3
Based in Ottawa
80/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 131 Google reviews, listed on Google as “Window installation service”.
- 4.9★ from 131 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 323 Coventry Rd, Ottawa, ON K1K 3W9
Based in Clarence-Rockland, 9 km away
80/100CR ScoreRanked #20 because of its Google rating and availability: 4.9★ from 34 Google reviews, open 7 days a week.
- 4.9★ from 34 Google reviews
- Hours
- Mon–Fri 7 AM–9 PM · Sat–Sun 8 AM–9 PM
Based in Kanata, 20 km away
80/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 7 Google reviews
- Hours
- Mon–Sun 9 AM–6 PM
Based in Ottawa
80/100CR ScoreRanked #22 because of its Google rating and review volume: 4.9★ from 717 Google reviews, 717 Google reviews.
- 4.9★ from 717 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat–Sun closed
- Address
- 532 Montréal Rd, Ottawa, ON K1K 4R4
Based in Ottawa
80/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 151 Google reviews, listed on Google as “Window installation service”.
- 4.8★ from 151 Google reviews
- Hours
- Mon–Wed 8:30 AM–5:30 PM · Thu–Fri 8:30 AM–5 PM · Sat–Sun closed
- Address
- 1447 Youville Dr, Ottawa, ON K1C 4R1
Based in Ottawa
80/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 131 Google reviews, listed on Google as “Window installation service”.
- 4.9★ from 131 Google reviews
- Hours
- Mon–Fri 9 AM–4 PM · Sat–Sun closed
- Address
- 1900 Merivale Rd #110, Ottawa, ON K2G 4N4
Based in Ottawa
79/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.6★ from 196 Google reviews, listed on Google as “Window installation service”.
- 4.6★ from 196 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 2795 St Joseph Blvd, Ottawa, ON K1C 1L5
Window installers ranked #26 to #50
#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 93 ranked window installers here; the rest are on their profiles.
Also serving Ottawa
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 |
|---|---|---|
| Big City Replacement Windows Ottawa | 5.0★ (1) | In Ottawa |
| ByTown Window Restoration | In Ottawa | |
| Capital Home Services | 2.4★ (22) | In Ottawa |
| DPS Garage Doors | 5.0★ (301) | In Ottawa |
| Enercare | 4.8★ (2,654) | In Ottawa |
| FullView Renovations Inc. | 5.0★ (3) | In Ottawa |
| Luxury Contracting | 5.0★ (18) | In Ottawa |
| Makinde Windows and Doors Repairs | 5.0★ (2) | In Ottawa |
| Monaco Construction | 4.1★ (51) | In Ottawa |
| My Next Home Reno | 4.4★ (20) | In Ottawa |
| OpenPane | In Ottawa | |
| Panorama Renovation | 5.0★ (1) | In Ottawa |
| Pro Desk at RONA+ | 5.0★ (1) | In Ottawa |
| Protech Garage Doors Ottawa | 4.7★ (258) | In Ottawa |
| RenosGroup | 5.0★ (11) | In Ottawa |
| San Bruno Group | 5.0★ (1) | 10 km |
| Ted Budz Installation Inc. | In Ottawa | |
| The TGi GROUP - MERIVALE (Quartz, Granite, Kitchen & Bath, Renovations, Real Estate Developments, Design, Construction) | 4.9★ (524) | In Ottawa |
| Urban Property Management | 5.0★ (62) | In Ottawa |
| Window Mart Ottawa | In Ottawa |
How much do window installers cost in Ottawa?
US national ranges converted to CAD, not adjusted for Ottawa. 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 |
How we ranked Ottawa window installers
We scored 93 Ottawa 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 Ottawa 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 |
Window installers in Ottawa: frequently asked questions
Who is the best window installer in Ottawa?
By CR Score, the highest-ranked window installer in Ottawa, ON is Performance Window Cleaning with a CR Score of 89/100. It has 4.9★ from 364 Google reviews. It is open 24/7. WindowGuru Window Cleaning (#2) and Ottawa Student Windows (#3) follow. We ranked 93 window installers on 8 factors, last updated October 22, 2026.
How many window installers are there in Ottawa?
ContractorsRanked ranks 93 window installers serving Ottawa, ON. 32 of them are based in Ottawa; the rest serve it from nearby towns. Another 20 within 64 km are listed but not ranked yet. Counts are as of October 2026.
Which window installers in Ottawa are open 24/7?
4 ranked window installers in Ottawa post 24/7 hours. The highest-ranked are Performance Window Cleaning (#1), Capital Door Tech (#5) and Paramount Roofing & Renovations | Ottawa Siding & Windows and Doors Specialized Contractor (#10). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which window installers in Ottawa work on weekends?
30 of 93 ranked window installers post Saturday hours and 14 post Sunday hours. The highest-ranked open Saturdays are Performance Window Cleaning (#1), WindowGuru Window Cleaning (#2) and Ottawa Student Windows (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does window replacement cost in Ottawa?
Window replacement typically costs CA$4,830 to CA$16,640, with CA$10,330 typical (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)). This is a national range, not adjusted for Ottawa. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Ottawa window installers have?
The median Google rating among 93 rated window installers in Ottawa is 4.9★, with a median of 34 reviews. Verdun Windows and Doors has the most, 1,986 reviews, and ranks #8. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank window installers?
Each window installer gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do window installers outside Ottawa count in this ranking?
Yes, if they are within 64 km of the Ottawa city centre, our service radius for window installers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Update log for Ottawa
- October 2026: CR Scores recalculated for 93 window installers serving Ottawa.
More window installers and Ottawa pages
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