17 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Ellsworth: Portland Glass of Ellsworth, CR Score 83/100; 4.8★ from 175 Google reviews.
Best for emergencies (open 24/7): L. E. Nichols & Son LLC, posts 24/7 hours; ranked #5 of 17.
Most-reviewed: Renewal by Andersen of Greater Maine, 546 Google reviews at 4.8★, the most of 17 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
17 Ellsworth window installers are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 8 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.8★ across 17 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Portland Glass of Ellsworth | 83 | 4.8★ (175) | Ellsworth | — | Overall |
| 2 | Acadia Craftsman | 81 | 5.0★ (15) | Ellsworth | Sat | — |
| 3 | Renewal by Andersen of Greater Maine | 80 | 4.8★ (546) | Bangor, 26 mi away | — | Most reviews |
| 4 | Sunrise Glass Co | 80 | 4.6★ (108) | Ellsworth | — | — |
| 5 | L. E. Nichols & Son LLC | 79 | 4.3★ (6) | Ellsworth | 24/7 | Emergencies |
| 6 | Ardent Auto Glass | 79 | 5.0★ (9) | Brewer, 24 mi away | Sat · Sun | — |
| 7 | Sunrise Glass Co | 78 | 4.9★ (94) | Brewer, 23 mi away | — | — |
| 8 | Mcguire Brothers Carpentry | 77 | 5.0★ (13) | Orono, 24 mi away | Sat | — |
| 9 | Robertson Glass Co | 76 | 4.9★ (54) | Brewer, 23 mi away | — | — |
| 10 | Dirigo Glass Inc | 75 | 4.7★ (67) | Belfast, 31 mi away | — | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.8★ from 175 Google reviews, listed on Google as “Window installation service”.
Based in Ellsworth
Ranked #2 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Window installation service”.
Based in Bangor, 26 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 546 Google reviews, the most Google reviews on this list (546).
Based in Ellsworth
Ranked #4 because of its Google rating and trade focus: 4.6★ from 108 Google reviews, listed on Google as “Window installation service”.
Based in Ellsworth
Ranked #5 because of its Google rating and availability: 4.3★ from 6 Google reviews, open 24/7.
Based in Brewer, 24 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Window installation service”.
Based in Brewer, 23 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 94 Google reviews, listed on Google as “Window installation service”.
Based in Orono, 24 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Window installation service”.
Based in Brewer, 23 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 54 Google reviews, listed on Google as “Window installation service”.
Based in Belfast, 31 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 67 Google reviews, listed on Google as “Window installation service”.
Based in Brewer, 24 mi away
Ranked #11 because of its Google rating and trade focus: 4.6★ from 30 Google reviews, listed on Google as “Gutter cleaning service”.
Based in Ellsworth
Ranked #12 because of its Google rating and trade focus: 4.5★ from 19 Google reviews, listed on Google as “Roofing contractor”.
Based in Winslow, 34 mi away
Ranked #13 because of its Google rating and availability: 4.2★ from 5 Google reviews, open 7 days a week.
Based in Belfast, 35 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “General contractor”.
Based in Bangor, 26 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 4 Google reviews, open Saturdays until 6 PM.
Based in Bangor, 27 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Roofing contractor”.
Based in Brewer, 40 mi away
Ranked #17 because of its Google rating and trade focus: 4.5★ from 4 Google reviews, listed on Google as “Roofing contractor”.
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 17 Ellsworth window installers on 8 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. Unknown factors are left out of the score, 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 Ellsworth data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |