23 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Williston: Portland Glass of South Burlington, CR Score 62/100; 4.9★ from 209 Google reviews.
Best for emergencies (open 24/7): Exteriors & Renovation, posts 24/7 hours; ranked #7 of 23.
Most-reviewed: Window World of the Green Mountains, 172 Google reviews at 4.7★, the most of 23 ranked after Portland Glass of South Burlington; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
23 Williston window installers are ranked here by CR Score, from ten published factors. 3 are open 24/7, 12 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.8★ across 23 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Portland Glass of South Burlington | 62 | 4.9★ (209) | South Burlington, 7 mi away | — | Overall |
| 2 | Acme Glass | 62 | 4.8★ (128) | Burlington, 8 mi away | Sat | — |
| 3 | TruBlue of Northern Vermont | 61 | 5.0★ (56) | Burlington, 4 mi away | Sat | — |
| 4 | Window World of the Green Mountains | 61 | 4.7★ (172) | South Burlington, 5 mi away | — | Most reviews |
| 5 | Able Paint Glass & Flooring | 60 | 4.8★ (61) | Burlington, 7 mi away | Sat | — |
| 6 | Marvin Design Gallery by Windows & Doors By Brownell | 58 | 4.7★ (39) | Williston | — | — |
| 7 | Exteriors & Renovation | 58 | 4.9★ (77) | Burlington, 7 mi away | 24/7 | Emergencies |
| 8 | Portland Glass of Barre | 56 | 4.7★ (145) | Barre, 30 mi away | — | — |
| 9 | Overhead Door Co. of Burlington | 55 | 3.7★ (57) | Williston | — | — |
| 10 | Roy's Windows, Siding & Patio Rooms | 53 | 5.0★ (16) | Colchester, 9 mi away | — | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.9★ from 209 Google reviews, the most in Williston.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlington, 8 mi away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 128 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlington, 4 mi away
Ranked #3 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Burlington, 5 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 172 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlington, 7 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 61 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williston
Ranked #6 because of its Google rating and trade focus: 4.7★ from 39 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlington, 7 mi away
Ranked #7 because of its Google rating and review volume: 4.9★ from 77 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Barre, 30 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 145 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Williston
Ranked #9 because of its Google rating and trade focus: 3.7★ from 57 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colchester, 9 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Roofing contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Middlebury (village), 14 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Gutter cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Montpelier, 28 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colchester, 11 mi away
Ranked #13 because of its Google rating and review volume: 5.0★ from 51 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Essex Junction, 4 mi away
Ranked #14 because of its Google rating and review volume: 4.4★ from 28 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Winooski, 7 mi away
Ranked #15 because of its Google rating and trade focus: 3.6★ from 11 Google reviews, listed on Google as “Gutter cleaning service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Burlington, 5 mi away
Ranked #16 because of its Google rating and review volume: 5.0★ from 22 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Colchester, 15 mi away
Ranked #17 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rutland, 32 mi away
Ranked #18 because of its Google rating and availability: 4.7★ from 13 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Plattsburgh, 27 mi away
Ranked #19 because of its Google rating and trade focus: 4.3★ from 4 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Burlington, 4 mi away
Ranked #20 because of its Google rating and review volume: 3.6★ from 54 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Middlebury (village), 31 mi away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Tile store”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Barre, 32 mi away
Ranked #22 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Roofing contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Colchester, 21 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
12 more window installers within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| B K Siding & Windows | 26 mi | |
| Bruce Building, LLC | 5.0★ (2) | 30 mi |
| Cellular Window Shades | In Williston | |
| Champagne Siding, Windows & Doors | 2.0★ (1) | 26 mi |
| Home Window & Maintenance Co | 5.0★ (1) | 9 mi |
| Louie's Siding & Windows | 27 mi | |
| Open Sash | 4.5★ (2) | 30 mi |
| R & R Siding & Windows | 5.0★ (1) | 31 mi |
| Ron Roy's New View Inc | 5.0★ (2) | 11 mi |
| RPC Builders | 30 mi | |
| Scott Beauvais construction | 5.0★ (2) | 39 mi |
| TimberRidge Renovations | 24 mi |
Typical prices in USD, adjusted for Vermont with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,410 | $7,300 | $11,760 | Per project (several windows): typical range of customer-reported projects. US national range × 0.99 New England factor (2025 Cost vs. Value Report) | October 2026 |
We scored 23 Williston 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 Williston 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 |