161 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Carnot-Moon: Window Nation, CR Score 63/100; 4.7★ from 2,307 Google reviews; open 24/7.
Best for emergencies (open 24/7): Zen Windows Pittsburgh, posts 24/7 hours; ranked #8 of 161.
Most-reviewed: West Shore Home, 2,447 Google reviews at 4.7★, the most of 161 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
161 Carnot-Moon window installers are ranked here by CR Score, from ten published factors. 18 are open 24/7, 93 open Saturdays and 41 open Sundays, based on posted hours. The median Google rating is 4.8★ across 161 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Window Nation | 63 | 4.7★ (2,307) | Monroeville, 25 mi away | 24/7 | Overall |
| 2 | Renewal by Andersen of Greater Pittsburgh | 63 | 4.9★ (1,369) | Canonsburg, 17 mi away | Sat · Sun | — |
| 3 | West Shore Home | 62 | 4.7★ (2,447) | Monroeville, 21 mi away | Sat · Sun · Evenings | Most reviews |
| 4 | Renewal by Andersen of Pittsburgh | 62 | 4.9★ (2,144) | Monroeville, 27 mi away | Sat · Sun | — |
| 5 | Mad City Windows & Baths of Pittsburgh | 62 | 4.8★ (177) | Carnot-Moon | Sat · Sun · Evenings | — |
| 6 | Joyce Windows, Sunrooms & Baths - Pittsburgh | 61 | 4.7★ (388) | Pittsburgh, 8 mi away | Sat · Sun · Evenings | — |
| 7 | Universal Windows Direct of Pittsburgh | 61 | 4.5★ (646) | Pittsburgh, 7 mi away | Sat · Sun · Evenings | — |
| 8 | Zen Windows Pittsburgh | 60 | 4.8★ (54) | Pittsburgh, 11 mi away | 24/7 | Emergencies |
| 9 | Legacy Remodeling | 59 | 4.9★ (280) | Pittsburgh, 13 mi away | Sat | — |
| 10 | Window World of Pittsburgh | 59 | 4.6★ (459) | Pittsburgh, 8 mi away | Sat | — |
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: 4.7★ from 2,307 Google reviews, listed on Google as “Window installation service”.
Based in Canonsburg, 17 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,369 Google reviews, listed on Google as “Window installation service”.
Based in Monroeville, 21 mi away
Ranked #3 because of its Google rating and review volume: 4.7★ from 2,447 Google reviews, the most in Carnot-Moon.
Based in Monroeville, 27 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 2,144 Google reviews, listed on Google as “Window installation service”.
Based in Carnot-Moon
Ranked #5 because of its Google rating and trade focus: 4.8★ from 177 Google reviews, listed on Google as “Window installation service”.
Based in Pittsburgh, 8 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 388 Google reviews, listed on Google as “Window installation service”.
Based in Pittsburgh, 7 mi away
Ranked #7 because of its Google rating and trade focus: 4.5★ from 646 Google reviews, listed on Google as “Window installation service”.
Based in Pittsburgh, 11 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 54 Google reviews, listed on Google as “Window installation service”.
Based in Pittsburgh, 13 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 280 Google reviews, listed on Google as “Window installation service”.
Based in Pittsburgh, 8 mi away
Ranked #10 because of its Google rating and trade focus: 4.6★ from 459 Google reviews, listed on Google as “Window installation service”.
Based in Pittsburgh, 17 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 181 Google reviews, listed on Google as “Window installation service”.
Based in Ambridge, 7 mi away
Ranked #12 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Window installation service”.
Based in Bellevue, 11 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Window installation service”.
Based in Pittsburgh, 15 mi away
Ranked #14 because of its Google rating and trade focus: 4.7★ from 125 Google reviews, listed on Google as “Window installation service”.
Based in Pittsburgh, 18 mi away
Ranked #15 because of its Google rating and review volume: 4.8★ from 1,933 Google reviews.
Based in Coraopolis, 2 mi away
Ranked #16 because of its Google rating and review volume: 4.7★ from 1,493 Google reviews.
Based in Butler, 31 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 321 Google reviews, listed on Google as “Window installation service”.
Based in Pittsburgh, 11 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 45 Google reviews, listed on Google as “Window installation service”.
Based in Weirton, 20 mi away
Ranked #19 because of its Google rating and trade focus: 4.7★ from 198 Google reviews, listed on Google as “Window installation service”.
Based in Baldwin, 19 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 131 Google reviews, listed on Google as “Window installation service”.
Based in Plum, 33 mi away
Ranked #21 because of its Google rating and trade focus: 4.8★ from 372 Google reviews, listed on Google as “Window installation service”.
Based in Canonsburg, 19 mi away
Ranked #22 because of its Google rating and review volume: 5.0★ from 223 Google reviews.
Based in McKees Rocks, 9 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “Gutter cleaning service”.
Based in Fox Chapel, 18 mi away
Ranked #24 because of its Google rating and review volume: 4.7★ from 1,360 Google reviews.
Based in Carnegie, 10 mi away
Ranked #25 because of its Google rating and review volume: 4.9★ from 129 Google reviews.
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 161 Carnot-Moon 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 Carnot-Moon 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 |