501 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Derby: Window Nation, CR Score 62/100; 4.8★ from 1,100 Google reviews; open 24/7.
Best for emergencies (open 24/7): Revive Remodeling & Restoring Inc., posts 24/7 hours; ranked #4 of 501.
Most-reviewed: Renewal by Andersen Window Replacement, 3,951 Google reviews at 4.9★, the most of 501 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
501 Derby window installers are ranked here by CR Score, from ten published factors. 72 are open 24/7, 355 open Saturdays and 170 open Sundays, based on posted hours. The median Google rating is 4.9★ across 501 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Window Nation | 62 | 4.8★ (1,100) | Wallingford, 20 mi away | 24/7 | Overall |
| 2 | Renewal by Andersen Window Replacement | 62 | 4.9★ (3,951) | Middletown, 28 mi away | Sat · Sun · Evenings | Most reviews |
| 3 | Home Comfort Practice, Inc. | 61 | 4.9★ (1,222) | Stratford, 11 mi away | Sat | — |
| 4 | Revive Remodeling & Restoring Inc. | 60 | 5.0★ (83) | Greenburgh, 14 mi away | 24/7 | Emergencies |
| 5 | Window Solutions Plus | 60 | 5.0★ (224) | Ridgefield, 19 mi away | Sat · Sun · Evenings | — |
| 6 | Rest Tech Painting | 59 | 4.8★ (68) | Branford Center, 6 mi away | Sat · Sun · Evenings | — |
| 7 | Renewal by Andersen | 59 | 4.8★ (890) | Stamford, 31 mi away | Sat · Sun · Evenings | — |
| 8 | Renewal by Andersen - Branford | 59 | 4.9★ (256) | Branford, 14 mi away | Sat · Evenings | — |
| 9 | Malpica Home Improvement | 58 | 4.6★ (39) | New Haven, 11 mi away | 24/7 | — |
| 10 | Ezefix & Renovations | 58 | 5.0★ (20) | Bridgeport, 2 mi away | Sat · Sun | — |
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.
Ranked #1 because of its Google rating and trade focus: 4.8★ from 1,100 Google reviews, listed on Google as “Window installation service”.
Based in Middletown, 28 mi away
Ranked #2 because of its Google rating and review volume: 4.9★ from 3,951 Google reviews, the most in Derby.
Based in Stratford, 11 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 1,222 Google reviews, listed on Google as “Window installation service”.
Based in Greenburgh, 14 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 83 Google reviews, listed on Google as “Window installation service”.
Based in Ridgefield, 19 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 224 Google reviews, listed on Google as “Window installation service”.
Based in Branford Center, 6 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 68 Google reviews, listed on Google as “Window installation service”.
Based in Stamford, 31 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 890 Google reviews, listed on Google as “Window installation service”.
Based in Branford, 14 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 256 Google reviews, listed on Google as “Window installation service”.
Based in New Haven, 11 mi away
Ranked #9 because of its Google rating and trade focus: 4.6★ from 39 Google reviews, listed on Google as “Window installation service”.
Based in Bridgeport, 2 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Window installation service”.
Based in Bethel, 8 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “Window installation service”.
Based in Stratford, 11 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 140 Google reviews, listed on Google as “Window installation service”.
Based in Woodbury, 18 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 45 Google reviews, listed on Google as “Window installation service”.
Based in Fairfield, 13 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 437 Google reviews, listed on Google as “Window installation service”.
Based in New Britain, 30 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 324 Google reviews, listed on Google as “Window installation service”.
Based in Fairfield, 13 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 234 Google reviews, listed on Google as “Gutter cleaning service”.
Based in Bethel, 14 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Window installation service”.
Based in West Hartford, 36 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 95 Google reviews, listed on Google as “Window installation service”.
Based in Newington, 34 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 400 Google reviews, listed on Google as “Window installation service”.
Based in Hauppauge, 37 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 175 Google reviews, listed on Google as “Window installation service”.
Based in Cheshire Village, 15 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 72 Google reviews, listed on Google as “Window installation service”.
Based in Hauppauge, 35 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “Window installation service”.
Based in Stamford, 30 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Window installation service”.
Based in Bethel, 21 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Window installation service”.
Based in Branford, 18 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 128 Google reviews, listed on Google as “Window installation service”.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 501 ranked window installers here; the rest are on their profiles.
20 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 & K Restoration Of CT LLC | 4.9★ (14) | In Derby |
| B & D Home Improvement | 4.5★ (2) | 13 mi |
| Bateman Construction | 5.0★ (2) | 13 mi |
| Brothers Remodeling Group LLC | 4.9★ (25) | In Derby |
| Calvary Remodeling | 3.0★ (2) | 1 mi |
| Cirillo Construction Company | 4.5★ (2) | 6 mi |
| Flintlocke Construction | 5.0★ (2) | 11 mi |
| Happy Washed Window & Power Washing | 5.0★ (2) | 13 mi |
| Hopkins Unlimited | 5.0★ (2) | 2 mi |
| Jeld-Wen Windows & Doors | 1.5★ (2) | 14 mi |
| Prospect Flooring LLC | 5.0★ (2) | 14 mi |
| Renjay Remodeling Commercial Residential LLC | 5.0★ (2) | 12 mi |
| Rooftop Construction LLC | 5.0★ (10) | In Derby |
| Screen Ex | 1.0★ (2) | 11 mi |
| SERVPRO of Shelton, Naugatuck | 5.0★ (37) | In Derby |
| Southern New England Home Works, LLC | 3.0★ (2) | 14 mi |
| Storm Shield Roofing | 5.0★ (71) | In Derby |
| The Window Source of New Haven and Fairfield Counties | 5.0★ (2) | 8 mi |
| TomKim's Home Improvement | In Derby | |
| Viks Exteriors LLC | 5.0★ (2) | 5 mi |
Typical prices in USD, adjusted for Connecticut 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 501 Derby 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 Derby 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 |