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Best Window Installers in Mount Lebanon, PA (2026)

160 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Mount Lebanon: Renewal by Andersen of Greater Pittsburgh, CR Score 65/100; 4.9★ from 1,369 Google reviews; open 7 days a week.

  2. 2

    Best for emergencies (open 24/7): Window Nation, posts 24/7 hours; ranked #2 of 160.

  3. 4

    Most-reviewed: West Shore Home, 2,447 Google reviews at 4.7★, the most of 160 ranked; ranked #4.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

160 Mount Lebanon window installers are ranked here by CR Score, from ten published factors. 19 are open 24/7, 92 open Saturdays and 43 open Sundays, based on posted hours. The median Google rating is 4.8★ across 160 rated businesses.

Most of this list also appears on the Window installers in Pittsburgh ranking. See Window installers in Pittsburgh

Top 10 window installers in Mount Lebanon at a glance

Top 10 window installers in Mount Lebanon at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Renewal by Andersen of Greater Pittsburgh654.9★ (1,369)Canonsburg, 6 mi awaySat · SunOverall
2Window Nation644.7★ (2,307)Monroeville, 17 mi away24/7Emergencies
3Renewal by Andersen of Pittsburgh634.9★ (2,144)Monroeville, 19 mi awaySat · Sun—
4West Shore Home634.7★ (2,447)Monroeville, 14 mi awaySat · Sun · EveningsMost reviews
5Joyce Windows, Sunrooms & Baths - Pittsburgh614.7★ (388)Pittsburgh, 7 mi awaySat · Sun · Evenings—
6Universal Windows Direct of Pittsburgh614.5★ (646)Pittsburgh, 7 mi awaySat · Sun · Evenings—
7Legacy Remodeling614.9★ (280)Pittsburgh, 3 mi awaySat—
8Mad City Windows & Baths of Pittsburgh604.8★ (177)Carnot-Moon, 13 mi awaySat · Sun · Evenings—
9Metropolitan Window Company604.9★ (181)Pittsburgh, 4 mi awaySat—
10Zen Windows Pittsburgh594.8★ (54)Pittsburgh, 14 mi away24/7—

The 160 best window installers in Mount Lebanon, ranked

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.

  2. #2 Window Nation

    Based in Monroeville, 17 mi away

    64/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.7★ from 2,307 Google reviews, listed on Google as “Window installation service”.

    • 4.7★ from 2,307 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9001 Rico Dr Ste 210, Monroeville, PA 15146
    View profile for Window Nation(412) 357-2760

  4. #4 West Shore Home

    Based in Monroeville, 14 mi away

    63/100CR Score

    Ranked #4 because of its Google rating and review volume: 4.7★ from 2,447 Google reviews, the most in Mount Lebanon.

    • 4.7★ from 2,447 Google reviews
    Hours
    Mon–Sat 8 AM–8 PM · Sun 9 AM–5:30 PM
    Address
    460 Rodi Rd, Penn Hills Township, PA 15235
    View profile for West Shore Home(412) 530-0729

  7. #7 Legacy Remodeling

    Based in Pittsburgh, 3 mi away

    61/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 280 Google reviews, listed on Google as “Window installation service”.

    • 4.9★ from 280 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 10 AM–2 PM · Sun closed
    Address
    3090 W Liberty Ave, Pittsburgh, PA 15216
    View profile for Legacy Remodeling(412) 274-7396

  10. #10 Zen Windows Pittsburgh

    Based in Pittsburgh, 14 mi away

    59/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.8★ from 54 Google reviews, listed on Google as “Window installation service”.

    • 4.8★ from 54 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5800 Corporate Dr 3rd floor, Pittsburgh, PA 15237
    View profile for Zen Windows Pittsburgh(412) 345-8220

  11. #11 Window World of Pittsburgh

    Based in Pittsburgh, 7 mi away

    59/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.6★ from 459 Google reviews, listed on Google as “Window installation service”.

    • 4.6★ from 459 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat 9 AM–1 PM · Sun closed
    Address
    4700 Campbells Run Rd, Pittsburgh, PA 15205
    View profile for Window World of Pittsburgh(412) 787-6000

  13. #13 Windows Pittsburgh

    Based in Pittsburgh, 4 mi away

    57/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.9★ from 45 Google reviews, listed on Google as “Window installation service”.

    • 4.9★ from 45 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat 10 AM–1 PM · Sun closed
    Address
    220 Shady Knoll Dr, Pittsburgh, PA 15220
    View profile for Windows Pittsburgh(412) 279-1112

  14. #14 Specialty Window & Door

    Based in Baldwin, 8 mi away

    57/100CR Score

    Ranked #14 because of its Google rating and trade focus: 5.0★ from 131 Google reviews, listed on Google as “Window installation service”.

    • 5.0★ from 131 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1206 Breezewood Dr, West Homestead, PA 15120
    View profile for Specialty Window & Door(412) 462-7375

  15. #15 PJ Fitzpatrick

    Based in Pittsburgh, 14 mi away

    57/100CR Score

    Ranked #15 because of its Google rating and review volume: 4.8★ from 1,933 Google reviews.

    • 4.8★ from 1,933 Google reviews
    Hours
    Mon–Fri 8 AM–9 PM · Sat–Sun 8 AM–6:30 PM
    Address
    141 Delta Dr Suite D, Pittsburgh, PA 15238
    View profile for PJ Fitzpatrick(866) 928-3299

  16. #16 R and C Glass

    Based in Plum, 23 mi away

    57/100CR Score

    Ranked #16 because of its Google rating and trade focus: 4.8★ from 372 Google reviews, listed on Google as “Window installation service”.

    • 4.8★ from 372 Google reviews
    Hours
    Mon–Fri 8:30 AM–4:30 PM · Sat 8:30 AM–11 AM · Sun closed
    Address
    1301 Pontiac Ct #102, Export, PA 15632
    View profile for R and C Glass(724) 302-3347

  25. #25 CD Window Cleaning

    Based in McKees Rocks, 8 mi away

    56/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 56 Google reviews, listed on Google as “Gutter cleaning service”.

    • 5.0★ from 56 Google reviews
    Hours
    Mon–Fri 6 AM–9 PM · Sat 9 AM–7 PM · Sun 9 AM–5 PM
    Address
    Chartiers Ave, McKees Rocks, PA 15136
    View profile for CD Window Cleaning(412) 498-3168

How much do window installers cost in Mount Lebanon?

Typical prices in USD, adjusted for Pennsylvania with a published regional index. Each row names its basis and month.

How much do window installers cost in Mount Lebanon?
JobLowTypicalHighBasisChecked
Window replacement$3,730$7,980$12,860Per project (several windows): typical range of customer-reported projects. US national range × 1.09 Middle Atlantic factor (2025 Cost vs. Value Report)October 2026

How we ranked Mount Lebanon window installers

We scored 160 Mount Lebanon 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Mount Lebanon data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Window installers in Mount Lebanon: frequently asked questions

Who is the best window installer in Mount Lebanon?

By CR Score, the highest-ranked window installer in Mount Lebanon, PA is Renewal by Andersen of Greater Pittsburgh with a CR Score of 65/100. It has 4.9★ from 1,369 Google reviews. It is open 7 days a week. Window Nation (#2) and Renewal by Andersen of Pittsburgh (#3) follow. We ranked 160 window installers on ten factors, last updated October 22, 2026.

How many window installers are there in Mount Lebanon?

ContractorsRanked ranks 160 window installers serving Mount Lebanon, PA. Counts are as of October 2026.

Which window installers in Mount Lebanon are open 24/7?

19 ranked window installers in Mount Lebanon post 24/7 hours. The highest-ranked are Window Nation (#2), Zen Windows Pittsburgh (#10) and Peak Precision Contracting (#19). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which window installers in Mount Lebanon work on weekends?

92 of 160 ranked window installers post Saturday hours and 43 post Sunday hours. The highest-ranked open Saturdays are Renewal by Andersen of Greater Pittsburgh (#1), Window Nation (#2) and Renewal by Andersen of Pittsburgh (#3). Posted hours are office hours; crews may book weekend jobs separately.

How much does window replacement cost in Mount Lebanon?

Window replacement typically costs $3,730 to $12,860, with $7,980 typical (Per project (several windows): typical range of customer-reported projects. US national range × 1.09 Middle Atlantic factor (2025 Cost vs. Value Report)). The range is adjusted for Pennsylvania. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Mount Lebanon window installers have?

The median Google rating among 160 rated window installers in Mount Lebanon is 4.8★, with a median of 20 reviews. West Shore Home has the most, 2,447 reviews, and ranks #4. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank window installers?

Each window installer gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do window installers outside Mount Lebanon count in this ranking?

Yes, if they are within 40 mi of the Mount Lebanon city center, our service radius for window installers. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Update log for Mount Lebanon

  1. October 2026: CR Scores recalculated for 160 window installers serving Mount Lebanon.
  2. October 2026: 2 duplicate listings merged.

More window installers and Mount Lebanon pages

Other trades in Mount Lebanon