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Best Window Installers in Dorchester, ON (2026)

88 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Dorchester: Brookstone Windows & Doors, CR Score 64/100; 4.7★ from 442 Google reviews; open 7 days a week.

  2. 2

    Best for emergencies (open 24/7): Accurate Window Cleaners, posts 24/7 hours; ranked #2 of 88.

  3. 5

    Most-reviewed: Heritage Renovations, 298 Google reviews at 4.4★, the most of 88 ranked after Brookstone Windows & Doors; ranked #5.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

88 Dorchester window installers are ranked here by CR Score, from ten published factors. 8 are open 24/7, 30 open Saturdays and 13 open Sundays, based on posted hours. The median Google rating is 4.8★ across 88 rated businesses.

Top 10 window installers in Dorchester at a glance

Top 10 window installers in Dorchester at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Brookstone Windows & Doors644.7★ (442)London, 15 km awaySat · Sun · EveningsOverall
2Accurate Window Cleaners614.9★ (213)London, 14 km away24/7Emergencies
3Douglas Window & Door Inc.614.9★ (271)London, 12 km away——
4Jacob's Crystal Clear Window Cleaning605.0★ (81)London, 11 km away24/7—
5Heritage Renovations604.4★ (298)London, 15 km awaySatMost reviews
6Blake Exteriors Window and Door604.8★ (251)London, 15 km away——
7Forest City Window & Door Ltd594.7★ (153)London, 8 km away——
8Aluminum Associates584.5★ (169)London, 9 km away——
9Glass Canada584.6★ (206)London, 16 km away——
10Riverbend Windows & Doors Inc.584.9★ (123)London, 18 km away——

The 88 best window installers in Dorchester, 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.

  1. Ranked #1 in Dorchester

    #1 Brookstone Windows & Doors

    Based in London, 15 km away

    64/100CR Score

    Ranked #1 because of its Google rating and review volume: 4.7★ from 442 Google reviews, the most in Dorchester.

    • 4.7★ from 442 Google reviews
    Hours
    Mon–Thu 8 AM–8 PM · Fri 8 AM–4:30 PM · Sat 9 AM–6 PM · Sun 9 AM–5 PM
    Address
    45 Meg Dr, London, ON N6E 2V2
    View profile for Brookstone Windows & Doors(519) 400-7000

  5. #5 Heritage Renovations

    Based in London, 15 km away

    60/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.4★ from 298 Google reviews, listed on Google as “Window installation service”.

    • 4.4★ from 298 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 10 AM–2 PM · Sun closed
    Address
    583 Exeter Rd, London, ON N6E 2Z2
    View profile for Heritage Renovations(519) 652-1575

  8. #8 Aluminum Associates

    Based in London, 9 km away

    58/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.5★ from 169 Google reviews, listed on Google as “Window installation service”.

    • 4.5★ from 169 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1801 Trafalgar St, London, ON N5W 1X7
    View profile for Aluminum Associates(519) 453-6400

  9. #9 Glass Canada

    Based in London, 16 km away

    58/100CR Score

    Ranked #9 because of its Google rating and trade focus: 4.6★ from 206 Google reviews, listed on Google as “Window installation service”.

    • 4.6★ from 206 Google reviews
    Hours
    Mon–Fri 8 AM–4:30 PM · Sat–Sun closed
    Address
    330 Exeter Rd A, London, ON N6L 1A3
    View profile for Glass Canada(519) 642-4100

  17. #17 Banman Windows & Doors

    Based in London, 18 km away

    57/100CR Score

    Ranked #17 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–Thu 9 AM–7 PM · Fri 9 AM–4 PM · Sat 10 AM–4 PM · Sun closed
    Address
    435 Springbank Dr, London, ON N6J 1H2
    View profile for Banman Windows & Doors(519) 902-9003

  18. #18 A1 Unique Installations

    Based in St. Thomas, 23 km away

    57/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.7★ from 54 Google reviews, listed on Google as “Window installation service”.

    • 4.7★ from 54 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 9 AM–12 PM · Sun closed
    Address
    16 Barrie Blvd #5, St Thomas, ON N5P 4B9
    View profile for A1 Unique Installations(519) 631-8183

  19. #19 York Exteriors

    Based in London, 11 km away

    56/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 40 Google reviews, listed on Google as “Window installation service”.

    • 5.0★ from 40 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    1232 York St, London, ON N5W 2V2
    View profile for York Exteriors(519) 860-5665

  20. #20 Homecastle

    Based in London, 11 km away

    56/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.2★ from 39 Google reviews, listed on Google as “Window installation service”.

    • 4.2★ from 39 Google reviews
    Hours
    Mon–Fri 8 AM–5:30 PM · Sat 10 AM–2 PM · Sun closed
    Address
    535 First St, London, ON N5V 1Z3
    View profile for Homecastle(519) 659-3550

  22. #22 Direct Impact Auto Glass

    Based in London, 18 km away

    56/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.2★ from 54 Google reviews, listed on Google as “Window installation service”.

    • 4.2★ from 54 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 8 AM–12 PM · Sun closed
    Address
    located within Storage Mart, 1020 Wonderland Rd S #2246, London, ON N6K 3S4
    View profile for Direct Impact Auto Glass(226) 271-7394

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 88 ranked window installers here; the rest are on their profiles.

window installers in Dorchester, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Provincial Glass & Mirror Ltd554.3★ (71)14 km
27Jay’s Window and door, maintenance and repairs554.7★ (13)15 km
28Linton Window & Door555.0★ (85)47 km
29Blue Diamond Window Cleaning554.9★ (140)16 km
30BASEMENT WINDOWS INSTALLATION CASA-fix554.8★ (24)33 km
31RCOR European Windows And Doors555.0★ (9)13 km
32The Window & Door Centre Inc.554.8★ (29)17 km
33Speedy Glass Stratford544.7★ (86)42 km
34Beaumart Aluminum Ltd544.4★ (28)11 km
35Four Seasons Sunrooms544.1★ (68)16 km
36COSMIC RENOVATIONS545.0★ (15)15 km
37Speedy Glass Woodstock Cedar544.4★ (77)31 km
38Home Building Products544.6★ (41)30 km
39Stratford Glass & Lock Service534.6★ (63)43 km
40Clera Windows + Doors534.6★ (118)61 km
41McCallum Aluminum Ltd534.7★ (13)18 km
42Lambton Window Pros535.0★ (30)60 km
43Banman Windows & Doors St. Thomas525.0★ (6)25 km
44Speedy Glass Simcoe524.6★ (102)64 km
45Legendary Exteriors524.6★ (19)20 km
46Hummingbird Window Cleaning/Eavestrough Cleaning Ontario525.0★ (5)8 km
47RenoNation Contracting Inc.514.9★ (39)17 km
48Cloud 9 Window Care515.0★ (4)16 km
49A Better Reflection Window Cleaning505.0★ (4)26 km
50Custom Contracting Roofing & Eavestrough Repair London502.7★ (7)12 km

Also serving Dorchester

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.

Unranked window installers serving Dorchester
BusinessGoogle ratingDistance
A Green Window & Blind Clng1.0★ (1)18 km
Absolute Metal Roofing5.0★ (1)13 km
Acckue Contracting15 km
Apply Contracting Ltd3.0★ (2)63 km
Arketta Glass11 km
Aylmer Carpentry5.0★ (2)24 km
DRW Home Services Inc.13 km
Eco Choice Windows & Doors Brant2.0★ (1)64 km
FLAMINGO WINDOW CLEANING1.0★ (1)11 km
H & E Siding1.0★ (1)61 km
Huron Contractors Ltd5.0★ (2)52 km
Jacobs Total Contracting Inc.1.0★ (2)34 km
Klear View Window Cleaners Ltd5.0★ (1)28 km
Mr. J's Windows and Eaves Cleaning Inc.3.0★ (2)15 km
Skyview Windows Manufacturing Inc.3.5★ (2)7 km
Sunningdale Home Improvements, Brick Repair, Eavestrough Installation, Exterior Renovations, Siding & Window Contractors5.0★ (1)24 km
W D Dave Smith Renovations5.0★ (2)10 km
Warmuz Construction Limited5.0★ (1)27 km
Window and Door Specialist5.0★ (2)21 km
Window Manufacturing Railings14 km

How much do window installers cost in Dorchester?

US national ranges converted to CAD, not adjusted for Dorchester. Each row names its basis and the month we checked it.

How much do window installers cost in Dorchester?
JobLowTypicalHighBasisChecked
Window replacementCA$4,830CA$10,330CA$16,640Per 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 Dorchester window installers

We scored 88 Dorchester 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Dorchester data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Window installers in Dorchester: frequently asked questions

Who is the best window installer in Dorchester?

By CR Score, the highest-ranked window installer in Dorchester, ON is Brookstone Windows & Doors with a CR Score of 64/100. It has 4.7★ from 442 Google reviews. It is open 7 days a week. Accurate Window Cleaners (#2) and Douglas Window & Door Inc. (#3) follow. We ranked 88 window installers on ten factors, last updated October 22, 2026.

How many window installers are there in Dorchester?

ContractorsRanked ranks 88 window installers serving Dorchester, ON. 2 of them are based in Dorchester; 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 Dorchester are open 24/7?

8 ranked window installers in Dorchester post 24/7 hours. The highest-ranked are Accurate Window Cleaners (#2), Jacob's Crystal Clear Window Cleaning (#4) and Krystal Klear Windows (#11). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which window installers in Dorchester work on weekends?

30 of 88 ranked window installers post Saturday hours and 13 post Sunday hours. The highest-ranked open Saturdays are Brookstone Windows & Doors (#1), Accurate Window Cleaners (#2) and Jacob's Crystal Clear Window Cleaning (#4). Posted hours are office hours; crews may book weekend jobs separately.

How much does window replacement cost in Dorchester?

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 Dorchester. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Dorchester window installers have?

The median Google rating among 88 rated window installers in Dorchester is 4.8★, with a median of 30 reviews. Brookstone Windows & Doors has the most, 442 reviews, and ranks #1. 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 Dorchester count in this ranking?

Yes, if they are within 64 km of the Dorchester 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 Dorchester

  1. October 2026: CR Scores recalculated for 88 window installers serving Dorchester.

More window installers and Dorchester pages

Other trades in Dorchester