52 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Winchester: Glass Doctor of Winchester, CR Score 85/100; 4.6★ from 240 Google reviews; open Saturdays until 5 PM.
Best for emergencies (open 24/7): Constellation Home, posts 24/7 hours; ranked #2 of 52.
Most-reviewed: Peak Roofing Contractors Inc., 585 Google reviews at 4.9★, the most of 52 ranked; ranked #23.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
52 Winchester window installers are ranked here by CR Score, from 8 published factors. 7 are open 24/7, 26 open Saturdays and 15 open Sundays, based on posted hours. The median Google rating is 4.9★ across 52 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Glass Doctor of Winchester | 85 | 4.6★ (240) | Winchester | Sat | Overall |
| 2 | Constellation Home | 79 | 4.8★ (93) | Ballenger Creek, 37 mi away | 24/7 | Emergencies |
| 3 | Argueta Roofing Construction, Inc | 78 | 5.0★ (38) | Dale City, 33 mi away | 24/7 | — |
| 4 | JDS Home Improvement | 78 | 4.9★ (62) | Clarksburg, 39 mi away | Sat · Evenings | — |
| 5 | Rumble Exteriors | 78 | 5.0★ (118) | Leesburg, 35 mi away | Sat · Sun · Evenings | — |
| 6 | Mighty Dog Roofing of Martinsburg | 77 | 4.9★ (10) | Martinsburg, 22 mi away | 24/7 | — |
| 7 | Global Glass Pro | 77 | 4.6★ (11) | South Riding, 40 mi away | Sat · Sun | — |
| 8 | EZ Window Cleaning LLC | 76 | 5.0★ (15) | Winchester | Sat | — |
| 9 | Aspen Home Improvements | Maryland & West Virginia | 76 | 4.7★ (39) | Hagerstown, 40 mi away | 24/7 | — |
| 10 | Precision Home Remodeling | 76 | 5.0★ (20) | Ashburn, 38 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 4.6★ from 240 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ballenger Creek, 37 mi away
Ranked #2 because of its Google rating and availability: 4.8★ from 93 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Dale City, 33 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 38 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Clarksburg, 39 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Leesburg, 35 mi away
Ranked #5 because of its Google rating and review volume: 5.0★ from 118 Google reviews, 118 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Martinsburg, 22 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 10 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in South Riding, 40 mi away
Ranked #7 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Winchester
Ranked #8 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Window cleaning service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hagerstown, 40 mi away
Ranked #9 because of its Google rating and availability: 4.7★ from 39 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ashburn, 38 mi away
Ranked #10 because of its Google rating and availability: 5.0★ from 20 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Camp Springs, 17 mi away
Ranked #11 because of its Google rating and availability: 4.8★ from 39 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ashburn, 39 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 23 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sterling, 40 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 15 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Winchester
Ranked #14 because of its Google rating and review volume: 4.9★ from 124 Google reviews, 124 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ashburn, 36 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Front Royal, 18 mi away
Ranked #16 because of its Google rating and review volume: 4.8★ from 522 Google reviews, 522 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ashburn, 36 mi away
Ranked #17 because of its Google rating and trade focus: 4.4★ from 404 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Leesburg, 33 mi away
Ranked #18 because of its Google rating and availability: 5.0★ from 24 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Chantilly, 39 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Window installation service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Sterling, 39 mi away
Ranked #20 because of its Google rating and review volume: 4.9★ from 348 Google reviews, 348 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ashburn, 39 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Purcellville, 21 mi away
Ranked #22 because of its Google rating and review volume: 5.0★ from 160 Google reviews, 160 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Warrenton, 38 mi away
Ranked #23 because of its Google rating and review volume: 4.9★ from 585 Google reviews, the most Google reviews on this list (585).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Winchester
Ranked #24 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Frederick, 38 mi away
Ranked #25 because of its Google rating and review volume: 4.9★ from 91 Google reviews, 91 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
#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 52 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.
Typical prices in USD, adjusted for Virginia with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,370 | $7,200 | $11,600 | Per project (several windows): typical range of customer-reported projects. US national range × 0.98 South Atlantic factor (2025 Cost vs. Value Report) | October 2026 |
We scored 52 Winchester 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 Winchester 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 |