31 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Winslow: Portland Glass of Augusta, CR Score 59/100; 4.8★ from 132 Google reviews; open Saturdays until 12 PM.
Best for emergencies (open 24/7): One Source Construction, posts 24/7 hours; ranked #14 of 31.
Most-reviewed: James & Whitney Co. - Chelsea, 337 Google reviews at 4.8★, the most of 31 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
31 Winslow window installers are ranked here by CR Score, from ten published factors. 1 is open 24/7, 9 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.8★ across 31 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Portland Glass of Augusta | 59 | 4.8★ (132) | Augusta, 19 mi away | Sat | Overall |
| 2 | Portland Glass of Waterville | 58 | 4.6★ (68) | Waterville, 3 mi away | — | — |
| 3 | American Glass Co. | 56 | 4.3★ (60) | Waterville, 2 mi away | — | — |
| 4 | James & Whitney Co. - Chelsea | 55 | 4.8★ (337) | Auburn, 19 mi away | Sat · Evenings | Most reviews |
| 5 | American Glass Co. | 54 | 4.3★ (57) | Skowhegan, 17 mi away | — | — |
| 6 | Dirigo Glass Inc | 53 | 4.7★ (67) | Belfast, 31 mi away | — | — |
| 7 | Dirigo Glass | 52 | 4.8★ (53) | Rockland, 39 mi away | — | — |
| 8 | Fowler Roofing & Construction | 52 | 4.7★ (274) | Auburn, 22 mi away | — | — |
| 9 | Mainely LLC | 51 | 3.6★ (57) | Waterville, 2 mi away | Sat · Sun · Evenings | — |
| 10 | Mcguire Brothers Carpentry | 51 | 5.0★ (13) | Orono, 40 mi away | Sat | — |
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 trade focus: 4.8★ from 132 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waterville, 3 mi away
Ranked #2 because of its Google rating and trade focus: 4.6★ from 68 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waterville, 2 mi away
Ranked #3 because of its Google rating and trade focus: 4.3★ from 60 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 19 mi away
Ranked #4 because of its Google rating and review volume: 4.8★ from 337 Google reviews, the most in Winslow.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Skowhegan, 17 mi away
Ranked #5 because of its Google rating and trade focus: 4.3★ 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 Belfast, 31 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 67 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockland, 39 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 53 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 22 mi away
Ranked #8 because of its Google rating and review volume: 4.7★ from 274 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waterville, 2 mi away
Ranked #9 because of its Google rating and review volume: 3.6★ from 57 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Orono, 40 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockland, 39 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waterville, 4 mi away
Ranked #12 because of its Google rating and trade focus: 3.9★ from 9 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Winslow
Ranked #13 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 29 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 9 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Turner, 36 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belfast, 27 mi away
Ranked #16 because of its Google rating and review volume: 5.0★ from 20 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bedford, 32 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Winslow
Ranked #18 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chester, 32 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 13 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rockland, 38 mi away
Ranked #20 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Winslow
Ranked #21 because of its Google rating and trade focus: 3.0★ from 6 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Waterville, 24 mi away
Ranked #22 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 Skowhegan, 14 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 26 mi away
Ranked #24 because of its Google rating and trade focus: 4.4★ from 8 Google reviews, listed on Google as “Construction company”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Skowhegan, 11 mi away
Ranked #25 because of its Google rating and trade focus: 3.0★ from 4 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #31, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Beckwith Home Improvement | 43 | 5.0★ (4) | 22 mi |
| 27 | Maine Metal Roofing | 43 | 5.0★ (5) | 37 mi |
| 28 | Central Maine Exteriors Inc. | 43 | 5.0★ (10) | 37 mi |
| 29 | Williams Construction and Roofing Co. | 43 | 4.5★ (4) | 23 mi |
| 30 | Tallwood Design | 42 | 5.0★ (8) | 37 mi |
| 31 | Mansir's Roofing & Siding LLC | 41 | 3.5★ (8) | 37 mi |
11 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 |
|---|---|---|
| A&L Home Solutions | 23 mi | |
| Build Rite Construction | 1 mi | |
| Company: Newman Homes | 5.0★ (1) | In Winslow |
| Everlast General Services | 5.0★ (1) | 32 mi |
| Home Performance Plus | 2 mi | |
| McDonnell Remodeling LLC | 37 mi | |
| Mr. Window & Gutters | 40 mi | |
| NE Roofing Siding Windows | 32 mi | |
| Pisgah Window Solutions, LLC | 1.0★ (1) | 32 mi |
| Roderick Contracting | 4.3★ (11) | In Winslow |
| Windows Plus | 1.0★ (1) | In Winslow |
Typical prices in USD, adjusted for Maine 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 31 Winslow 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 Winslow 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 |