60/100CR Score
Ranked #1 because of its Google rating and review volume: 5.0★ from 523 Google reviews.
- 5.0★ from 523 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
Best Window Installers in Oshawa, ON (2026)
373 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Oshawa: Mehta Brothers Window & Eaves Cleaning, CR Score 60/100; 5.0★ from 523 Google reviews; open 7 days a week.
- 3
Best for emergencies (open 24/7): Sprint Auto Glass, posts 24/7 hours; ranked #3 of 373.
- 5
Most-reviewed: EcoTech Windows & Doors, 3,159 Google reviews at 4.8★, the most of 373 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
373 Oshawa window installers are ranked here by CR Score, from ten published factors. 40 are open 24/7, 245 open Saturdays and 152 open Sundays, based on posted hours. The median Google rating is 4.9★ across 373 rated businesses.
Top 10 window installers in Oshawa at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mehta Brothers Window & Eaves Cleaning | 60 | 5.0★ (523) | Ajax, 5 km away | Sat · Sun · Evenings | Overall |
| 2 | Pinnacle 1 Decorative Doors | 60 | 5.0★ (46) | Oshawa | Sat · Sun · Evenings | — |
| 3 | Sprint Auto Glass | 60 | 4.7★ (413) | Scarborough, 41 km away | 24/7 | Emergencies |
| 4 | Dowling & Sons Windows and Doors | 60 | 4.8★ (22) | Oshawa | 24/7 | — |
| 5 | EcoTech Windows & Doors | 59 | 4.8★ (3,159) | Concord, 52 km away | Sat | Most reviews |
| 6 | Zebra Blinds | 59 | 5.0★ (83) | Oshawa | Sat | — |
| 7 | Panorama Windows and Doors Oshawa | 59 | 4.8★ (106) | Oshawa | Sat | — |
| 8 | Quality Home Improvements | 59 | 4.8★ (31) | Oshawa | Sat · Sun | — |
| 9 | Magic Windows & Doors | 59 | 4.7★ (1,916) | Concord, 58 km away | Sat · Sun | — |
| 10 | OhMyGlass "Window and Door Repairs" | 59 | 5.0★ (160) | North York, 54 km away | 24/7 | — |
The 373 best window installers in Oshawa, ranked
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.
Based in Oshawa
60/100CR ScoreRanked #2 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–Sun 8 AM–8 PM
- Address
- 9 Barrington Pl, Courtice, ON L1E 2K9
Based in Scarborough, 41 km away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.7★ from 413 Google reviews, listed on Google as “Window installation service”.
- 4.7★ from 413 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1964 Victoria Park Ave, Scarborough, ON M1R 5G7
Based in Oshawa
60/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Window installation service”.
- 4.8★ from 22 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Concord, 52 km away
59/100CR ScoreRanked #5 because of its Google rating and review volume: 4.8★ from 3,159 Google reviews, the most in Oshawa.
- 4.8★ from 3,159 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat 9 AM–5 PM · Sun closed
- Address
- 34 Futurity Gate #7, Concord, ON L4K 1S6
#6 Zebra Blinds
Based in Oshawa
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 83 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 83 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat 9 AM–12 PM · Sun closed
- Address
- 8 Midtown Dr #3, Oshawa, ON L1J 3Z7
Based in Oshawa
59/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 106 Google reviews, listed on Google as “Window installation service”.
- 4.8★ from 106 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat 9 AM–4 PM · Sun closed
- Address
- 21 Simcoe St S, Oshawa, ON L1H 4G1
Based in Oshawa
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 31 Google reviews, listed on Google as “Window installation service”.
- 4.8★ from 31 Google reviews
- Hours
- Mon–Sun 9 AM–5 PM
- Address
- 600 King St E, Oshawa, ON L1H 1G6
Based in Concord, 58 km away
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.7★ from 1,916 Google reviews, listed on Google as “Window installation service”.
- 4.7★ from 1,916 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun 10 AM–2 PM
- Address
- 75 Rowntree Dairy Rd, Woodbridge, ON L4L 6C8
Based in North York, 54 km away
59/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 160 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 160 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7 Benjamin Boake Trail, North York, ON M3J 3C2
Based in Oshawa
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 60 Google reviews, listed on Google as “Window cleaning service”.
- 5.0★ from 60 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 751 Glengrove St, Oshawa, ON L1J 5C5
#12 Jay's Glass
Based in Toronto, 57 km away
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 128 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 128 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Oshawa
58/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “Window installation service”.
- 4.8★ from 21 Google reviews
- Hours
- Mon–Fri 10 AM–6 PM · Sat–Sun 10 AM–4 PM
- Address
- 222 Bond St W unit B, Oshawa, ON L1J 2L8
Based in Vaughan, 47 km away
58/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 75 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 75 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8300 Yonge St Suite 201, Vaughan, ON L4J 7R3
Based in Toronto, 43 km away
58/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 138 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 138 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 9 Lawlor Ave, Toronto, ON M4E 3L8
#16 Alco Glass LTD
Based in Ajax, 36 km away
58/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 38 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 38 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Milton, 36 km away
58/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 87 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 87 Google reviews
- Hours
- Mon 9 AM–8 PM · Tue closed · Wed–Fri 9 AM–8 PM · Sat 10 AM–6:30 PM · Sun 10:30 AM–5 PM
#18 Icarus Services
Based in Richmond Hill, 47 km away
57/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 184 Google reviews, listed on Google as “Window installation service”.
- 4.9★ from 184 Google reviews
- Emergency service
- Hours
- Mon–Fri 7 AM–9 PM · Sat 9 AM–7 PM · Sun closed
- Address
- 9 Northern Heights Dr, Richmond Hill, ON L4B 4M5
Based in Etobicoke, 64 km away
57/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 143 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 143 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Oshawa
57/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.3★ from 23 Google reviews, listed on Google as “Window installation service”.
- 4.3★ from 23 Google reviews
- Hours
- Mon–Fri 8 AM–8 PM · Sat 9 AM–6 PM · Sun 9 AM–5 PM
- Address
- 1472 Thornton Rd N #14, Oshawa, ON L1L 0P3
Based in Ajax, 13 km away
57/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 24 Google reviews
- Hours
- Mon–Sun 9 AM–5 PM
Based in Oshawa
57/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 76 Google reviews, listed on Google as “Window cleaning service”.
- 5.0★ from 76 Google reviews
- Hours
- Mon–Sun 7 AM–9:30 PM
- Address
- 517 Annandale St, Oshawa, ON L1H 7S5
Based in Oshawa
57/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “Window installation service”.
- 4.7★ from 31 Google reviews
- Hours
- Mon–Sat 8 AM–5 PM · Sun closed
Based in Scarborough, 34 km away
57/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 516 Google reviews, listed on Google as “Window installation service”.
- 4.9★ from 516 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat–Sun closed
- Address
- 10 Estate Dr, Scarborough, ON M1H 2Z1
#25 EuroStar Windows
Based in Concord, 53 km away
57/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 57 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 55 Administration Rd Units 22-24, Concord, ON L4K 4G9
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 373 ranked window installers here; the rest are on their profiles.
Also serving Oshawa
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 |
|---|---|---|
| A & A Home Repair Services & Renovations | 4.7★ (14) | In Oshawa |
| ACCL Waterproofing | 4.5★ (15) | In Oshawa |
| Ashrafi Home Renovation | 5.0★ (13) | In Oshawa |
| Bath Fitter | 4.5★ (25) | In Oshawa |
| Cornerstone Construction | 4.6★ (20) | In Oshawa |
| Ductwise Duct Cleaning Oshawa Whitby Ajax | 4.9★ (55) | In Oshawa |
| Dynamic Brick and Stone Ltd | 5.0★ (17) | In Oshawa |
| Goreski Roofing and Insulation | 3.7★ (6) | In Oshawa |
| Henley Contracting Ltd. | 4.8★ (50) | In Oshawa |
| Manulock Construction Incorporated | 5.0★ (9) | In Oshawa |
| Oshawa Windows & Doors | In Oshawa | |
| Osko Windows and Doors | 5.0★ (2) | In Oshawa |
| PEREIRA HOMES | In Oshawa | |
| Primo Industrial services | 1.0★ (1) | In Oshawa |
| Pro Desk at RONA+ | 3.0★ (2) | 19 km |
| Quality Canadian Home Improvements & Roofing | 1.0★ (1) | In Oshawa |
| Ruff House Renovations Corporation | 5.0★ (2) | In Oshawa |
| Simcoe HANDYMAN | 4.4★ (27) | In Oshawa |
| slabX Kitchen and Countertops | 4.7★ (217) | In Oshawa |
| Sparx Cleaning | 5.0★ (11) | In Oshawa |
How much do window installers cost in Oshawa?
US national ranges converted to CAD, not adjusted for Oshawa. 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 Oshawa window installers
We scored 373 Oshawa 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 Oshawa 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 |
Window installers in Oshawa: frequently asked questions
Who is the best window installer in Oshawa?
By CR Score, the highest-ranked window installer in Oshawa, ON is Mehta Brothers Window & Eaves Cleaning with a CR Score of 60/100. It has 5.0★ from 523 Google reviews. It is open 7 days a week. Pinnacle 1 Decorative Doors (#2) and Sprint Auto Glass (#3) follow. We ranked 373 window installers on ten factors, last updated October 22, 2026.
How many window installers are there in Oshawa?
ContractorsRanked ranks 373 window installers serving Oshawa, ON. 14 of them are based in Oshawa; 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 Oshawa are open 24/7?
40 ranked window installers in Oshawa post 24/7 hours. The highest-ranked are Sprint Auto Glass (#3), Dowling & Sons Windows and Doors (#4) and OhMyGlass "Window and Door Repairs" (#10). Icarus Services (#18) also lists emergency service. Hours come from each business's Google listing as of October 2026, so call to confirm.
Which window installers in Oshawa work on weekends?
245 of 373 ranked window installers post Saturday hours and 152 post Sunday hours. The highest-ranked open Saturdays are Mehta Brothers Window & Eaves Cleaning (#1), Pinnacle 1 Decorative Doors (#2) and Sprint Auto Glass (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does window replacement cost in Oshawa?
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 Oshawa. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Oshawa window installers have?
The median Google rating among 373 rated window installers in Oshawa is 4.9★, with a median of 31 reviews. EcoTech Windows & Doors has the most, 3,159 reviews, and ranks #5. 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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do window installers outside Oshawa count in this ranking?
Yes, if they are within 64 km of the Oshawa 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 Oshawa
- October 2026: CR Scores recalculated for 373 window installers serving Oshawa.
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