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The 10 Best Window Replacement Companies in Boston (2026)
Finding reliable window replacement pros matters in Boston, where older housing stock, seasonal weather, and energy concerns push many homeowners to repair or replace windows. Our list is updated for 2026 and built strictly from Google reviews: we use a Bayesian-style score that weights a business’s average rating by its number of reviews, so consistency and volume both matter. This roundup focuses on companies that show up in Google as window installation or related services across Greater Boston, giving homeowners a quick, data-driven starting point when comparing local options for repair, retrofit, or replacement.
This ranking is computed from Google reviews (our method). Listings marked Partner are paid advertising spots: they sit alongside the ranking without changing its order.
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Whole Window – Repair Only
Whole Window – Repair Only tops our list with a perfect 5.0 Google rating based on 80 reviews and is categorized as a Window installation service. That combination of an uncompromised average and a substantial review count places it at number one under our Bayesian weighting, which favors high ratings supported by volume. The business name indicates a repair focus while the Google category keeps it within the installation space. For readers who prioritize consistently top-rated local options, this is the highest-ranked entry in the dataset.
The full ranking
Fisher Windows
Fisher Windows has a perfect 5.0 Google rating from 52 reviews and is listed as a Window installation service in Waltham (318 Bear Hill Rd).
52 reviews
Quality Window & Door Inc
With 600 reviews and a 4.9 Google score, Quality Window & Door Inc is categorized as a Window installation service in Weymouth (17 Cassandra Rd).
600 reviews
Window World of Boston
Window World of Boston carries a 4.9 rating across 488 Google reviews and is listed as a Window installation service in Pembroke (295 Old Oak St Unit C).
488 reviews
Classic window specialist Inc
Classic window specialist Inc appears on Google as a Window installation service with a perfect 5.0 rating from 31 reviews in Boston (197 Durnell Ave).
31 reviews
Window Working
Window Working posts a 4.9 Google rating based on 92 reviews and is recorded as a Window installation service in Boston (8 Fidelis Way #265).
92 reviews
Good Window Works
Good Window Works is listed as a Window installation service and holds a 4.9 rating from 83 Google reviews.
83 reviews
Boston Window & Screen Repair
Boston Window & Screen Repair has a 5.0 Google score from 28 reviews and is categorized as a Window installation service in Braintree (57 Daniel Rd).
28 reviews
Boston Doors and Windows
Boston Doors and Windows holds a 4.9 Google rating across 64 reviews and is listed as a Window installation service in Somerville (320 Broadway).
64 reviews
Window & Home Services
Window & Home Services is categorized as a Glass repair service with a 4.9 rating based on 48 Google reviews in Medford (100 High St).
48 reviews
Frequently asked questions
How should I choose a window replacement company?
Start by comparing online ratings and the number of reviews to get a sense of consistency. Ask for written estimates, inspect sample products or photos of past work, verify insurance and licensing, and get clear warranty and timeline details before signing a contract.
What does window replacement typically cost?
Costs vary widely depending on window type, frame material, size, the number of units, and installation complexity. To get a realistic sense of price, request multiple written quotes that break out material and labor so you can compare like for like.
What should I check before hiring a contractor?
Verify that the contractor carries appropriate insurance and, if required, local licensing; ask for references or recent project photos; and confirm warranty terms for both materials and installation. Also get a clear, written contract that specifies scope, timeline, payment schedule, and cleanup responsibilities.
How is this ranking built and how should I use it?
This list is generated from Google reviews using a Bayesian-style score that weights average rating by the number of reviews, updated for 2026. Use it as a data-driven starting point, but follow up with estimates, site visits, and direct questions to choose the best fit for your project.