210 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Red Lion: Window Nation, CR Score 87/100; 4.7★ from 1,163 Google reviews; open 24/7.
Best for emergencies (open 24/7): Zen Windows Central PA, posts 24/7 hours; ranked #2 of 210.
Most-reviewed: Renewal by Andersen, 5,771 Google reviews at 4.8★, the most of 210 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
210 Red Lion window installers are ranked here by CR Score, from 8 published factors. 28 are open 24/7, 109 open Saturdays and 49 open Sundays, based on posted hours. The median Google rating is 4.8★ across 210 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Window Nation | 87 | 4.7★ (1,163) | Mechanicsburg, 29 mi away | 24/7 | Overall |
| 2 | Zen Windows Central PA | 87 | 4.9★ (127) | Lancaster, 19 mi away | 24/7 | Emergencies |
| 3 | West Shore Home | 86 | 4.8★ (2,846) | Mechanicsburg, 28 mi away | Sat · Sun · Evenings | — |
| 4 | Grimes Glass LLC | 84 | 5.0★ (101) | Aberdeen, 38 mi away | 24/7 | — |
| 5 | New Door Service LLC - Quality and fast installation of doors and windows | 83 | 5.0★ (54) | Richboro, 34 mi away | 24/7 | — |
| 6 | Reiff Design | Build | 83 | 5.0★ (64) | Carlisle, 38 mi away | 24/7 | — |
| 7 | Joyland Windows & Doors | 83 | 4.8★ (107) | Elizabethtown, 17 mi away | Sat · Sun · Evenings | — |
| 8 | Renewal by Andersen | 83 | 4.8★ (5,771) | Mechanicsburg, 30 mi away | Sat | Most reviews |
| 9 | Aspen Home Improvements | 83 | 4.7★ (1,824) | Lancaster, 21 mi away | 24/7 | — |
| 10 | AMEREX American Exteriors | 83 | 4.9★ (28) | York, 7 mi away | — | — |
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 availability: 4.7★ from 1,163 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lancaster, 19 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 127 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mechanicsburg, 28 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 2,846 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Aberdeen, 38 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 101 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Richboro, 34 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 54 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Carlisle, 38 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 64 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Elizabethtown, 17 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 107 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mechanicsburg, 30 mi away
Ranked #8 because of its Google rating and review volume: 4.8★ from 5,771 Google reviews, the most Google reviews on this list (5,771).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lancaster, 21 mi away
Ranked #9 because of its Google rating and availability: 4.7★ from 1,824 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in York, 7 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 28 Google reviews, listed on Google as “Window installation service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Hanover, 21 mi away
Ranked #11 because of its Google rating and availability: 4.8★ from 660 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hampstead, 24 mi away
Ranked #12 because of its Google rating and availability: 4.8★ from 607 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Weigelstown, 21 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 52 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in York, 4 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 617 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in New Holland, 30 mi away
Ranked #15 because of its Google rating and availability: 4.9★ from 556 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in York, 12 mi away
Ranked #16 because of its Google rating and availability: 4.9★ from 80 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in York, 4 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mechanicsburg, 28 mi away
Ranked #18 because of its Google rating and trade focus: 4.7★ from 837 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Bel Air South, 34 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 9 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Timonium, 33 mi away
Ranked #20 because of its Google rating and availability: 4.7★ from 1,074 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in York, 8 mi away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 262 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hunt Valley, 28 mi away
Ranked #22 because of its Google rating and availability: 4.9★ from 185 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mechanicsburg, 30 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Fallston, 28 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 83 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Towson, 35 mi away
Ranked #25 because of its Google rating and availability: 5.0★ from 140 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Typical prices in USD, adjusted for Pennsylvania with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Window replacement | $3,730 | $7,980 | $12,860 | Per project (several windows): typical range of customer-reported projects. US national range × 1.09 Middle Atlantic factor (2025 Cost vs. Value Report) | October 2026 |
We scored 210 Red Lion 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 Red Lion 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 |