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Best Window Installers in Boston, NY (2026)

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

The short answer

  1. 1

    Best overall in Boston: Braymiller Builders of WNY Inc., CR Score 64/100; 4.9★ from 1,065 Google reviews; open Saturdays until 1 PM.

  2. 2

    Best for emergencies (open 24/7): Paramount Windows & Doors, posts 24/7 hours; ranked #2 of 128.

  3. 3

    Most-reviewed: Renewal By Andersen of Western New York, 1,066 Google reviews at 4.8★, the most of 128 ranked; ranked #3.

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

128 Boston window installers are ranked here by CR Score, from ten published factors. 16 are open 24/7, 57 open Saturdays and 25 open Sundays, based on posted hours. The median Google rating is 4.8★ across 128 rated businesses.

Most of this list also appears on the Window installers in Lockport ranking. See Window installers in Lockport

Top 10 window installers in Boston at a glance

Top 10 window installers in Boston at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Braymiller Builders of WNY Inc.644.9★ (1,065)Hamburg, 8 mi awaySatOverall
2Paramount Windows & Doors614.9★ (95)Buffalo, 15 mi away24/7Emergencies
3Renewal By Andersen of Western New York614.8★ (1,066)Depew, 19 mi awaySatMost reviews
4Wonder Windows Buffalo604.5★ (208)Buffalo, 19 mi away24/7—
5The Window Source of WNY584.9★ (53)Buffalo, 25 mi away24/7—
6Big L Windows & Doors584.7★ (235)Cheektowaga, 18 mi awaySat—
7Express Windows584.7★ (318)Buffalo, 25 mi awaySat · Evenings—
8Buffalo Glass Block584.9★ (468)Buffalo, 24 mi away——
9Glass Block by Chris575.0★ (47)Fort Erie, 11 mi awaySat—
10William C Rott & Son Inc574.2★ (120)Tonawanda, 27 mi away24/7—

The 128 best window installers in Boston, 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.

  4. #4 Wonder Windows Buffalo

    Based in Buffalo, 19 mi away

    60/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.5★ from 208 Google reviews, listed on Google as “Window installation service”.

    • 4.5★ from 208 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3898 Broadway, Buffalo, NY 14227, United States
    View profile for Wonder Windows Buffalo(716) 873-1600

  5. #5 The Window Source of WNY

    Based in Buffalo, 25 mi away

    58/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 53 Google reviews, listed on Google as “Window installation service”.

    • 4.9★ from 53 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1285 Niagara Falls Blvd, Buffalo, NY 14223, United States
    View profile for The Window Source of WNY(716) 794-1511

  6. #6 Big L Windows & Doors

    Based in Cheektowaga, 18 mi away

    58/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.7★ from 235 Google reviews, listed on Google as “Window installation service”.

    • 4.7★ from 235 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 10 AM–2 PM · Sun closed
    Address
    2727 William St, Cheektowaga, NY 14227, United States
    View profile for Big L Windows & Doors(716) 895-8484

  7. #7 Express Windows

    Based in Buffalo, 25 mi away

    58/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.7★ from 318 Google reviews, listed on Google as “Window installation service”.

    • 4.7★ from 318 Google reviews
    Hours
    Mon–Thu 8 AM–7 PM · Fri 8 AM–5 PM · Sat 10 AM–4 PM · Sun closed
    Address
    3495 Delaware Ave, Buffalo, NY 14217, United States
    View profile for Express Windows(716) 602-8500

  8. #8 Buffalo Glass Block

    Based in Buffalo, 24 mi away

    58/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.9★ from 468 Google reviews, listed on Google as “Window installation service”.

    • 4.9★ from 468 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    520 Hinman Ave, Buffalo, NY 14216, United States
    View profile for Buffalo Glass Block(716) 873-3553

  15. #15 Comfort Windows & Doors

    Based in Tonawanda, 27 mi away

    55/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.3★ from 438 Google reviews, listed on Google as “Window installation service”.

    • 4.3★ from 438 Google reviews
    Hours
    Mon–Fri 8:30 AM–5 PM · Sat 9 AM–2 PM · Sun closed
    Address
    560 Fillmore Ave, Tonawanda, NY 14150, United States
    View profile for Comfort Windows & Doors(716) 893-4663

  17. #17 Sonic Blinds

    Based in Buffalo, 28 mi away

    55/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.9★ from 170 Google reviews, listed on Google as “Window installation service”.

    • 4.9★ from 170 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    2890 Niagara Falls Blvd, Buffalo, NY 14228
    View profile for Sonic Blinds(716) 831-8600

  21. #21 Nu-View Window and Door

    Based in Cheektowaga, 18 mi away

    55/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “Window installation service”.

    • 5.0★ from 52 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    2346 William St, Cheektowaga, NY 14206
    View profile for Nu-View Window and Door(716) 336-3722

  23. #23 GRANTO GLASS BLOCK

    Based in North Tonawanda, 30 mi away

    55/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 205 Google reviews, listed on Google as “Window installation service”.

    • 4.9★ from 205 Google reviews
    Hours
    Mon–Fri 9:30 AM–3 PM · Sat–Sun closed
    Address
    692 Niagara Falls Blvd, North Tonawanda, NY 14120
    View profile for GRANTO GLASS BLOCK(716) 628-3043

  24. #24 American Glass Block

    Based in Buffalo, 17 mi away

    55/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.7★ from 27 Google reviews, listed on Google as “Window installation service”.

    • 4.7★ from 27 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 9 AM–5 PM · Sun closed
    Address
    300 Bailey Ave, Buffalo, NY 14210
    View profile for American Glass Block(716) 826-6200

How much do window installers cost in Boston?

Typical prices in USD, adjusted for New York with a published regional index. Each row names its basis and month.

How much do window installers cost in Boston?
JobLowTypicalHighBasisChecked
Window replacement$3,730$7,980$12,860Per project (several windows): typical range of customer-reported projects. US national range × 1.09 Middle Atlantic factor (2025 Cost vs. Value Report)October 2026

How we ranked Boston window installers

We scored 128 Boston 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 Boston 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 Boston: frequently asked questions

Who is the best window installer in Boston?

By CR Score, the highest-ranked window installer in Boston, NY is Braymiller Builders of WNY Inc. with a CR Score of 64/100. It has 4.9★ from 1,065 Google reviews. It is open Saturdays until 1 PM. Paramount Windows & Doors (#2) and Renewal By Andersen of Western New York (#3) follow. We ranked 128 window installers on ten factors, last updated October 22, 2026.

Which window installers in Boston are open 24/7?

16 ranked window installers in Boston post 24/7 hours. The highest-ranked are Paramount Windows & Doors (#2), Wonder Windows Buffalo (#4) and The Window Source of WNY (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which window installers in Boston work on weekends?

57 of 128 ranked window installers post Saturday hours and 25 post Sunday hours. The highest-ranked open Saturdays are Braymiller Builders of WNY Inc. (#1), Paramount Windows & Doors (#2) and Renewal By Andersen of Western New York (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does window replacement cost in Boston?

Window replacement typically costs $3,730 to $12,860, with $7,980 typical (Per project (several windows): typical range of customer-reported projects. US national range × 1.09 Middle Atlantic factor (2025 Cost vs. Value Report)). The range is adjusted for New York. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Boston window installers have?

The median Google rating among 128 rated window installers in Boston is 4.8★, with a median of 32 reviews. Renewal By Andersen of Western New York has the most, 1,066 reviews, and ranks #3. 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 Boston count in this ranking?

Yes, if they are within 40 mi of the Boston city center, 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.

Can window installers pay to rank higher on ContractorsRanked?

No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.

Update log for Boston

  1. October 2026: CR Scores recalculated for 128 window installers serving Boston.

More window installers and Boston pages

Other trades in Boston