89/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 346 Google reviews, open 24/7.
- 5.0★ from 346 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best Window Installers in Kennett Square, PA (2026)
417 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Kennett Square: Smart Shield Windows, CR Score 89/100; 5.0★ from 346 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Window Nation, posts 24/7 hours; ranked #3 of 417.
- 12
Most-reviewed: PJ Fitzpatrick, 12,968 Google reviews at 4.8★, the most of 417 ranked; ranked #12.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
417 Kennett Square window installers are ranked here by CR Score, from 8 published factors. 53 are open 24/7, 243 open Saturdays and 110 open Sundays, based on posted hours. The median Google rating is 4.9★ across 417 rated businesses.
Top 10 window installers in Kennett Square at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Smart Shield Windows | 89 | 5.0★ (346) | Camden, 20 mi away | 24/7 | Overall |
| 2 | Renewal by Andersen Window Replacement | 88 | 4.9★ (5,896) | King of Prussia, 24 mi away | Sat · Sun · Evenings | — |
| 3 | Window Nation | 87 | 4.7★ (4,668) | Pennsauken, 38 mi away | 24/7 | Emergencies |
| 4 | Hargrave Contractors, LLC | 86 | 5.0★ (75) | Glassboro, 22 mi away | 24/7 | — |
| 5 | New Door Service LLC - Quality and fast installation of doors and windows | 85 | 5.0★ (54) | Richboro, 22 mi away | 24/7 | — |
| 6 | Renewal by Andersen Window Replacement | 85 | 4.9★ (193) | Newark, 14 mi away | Sat · Sun · Evenings | — |
| 7 | Standard Fence Company | 84 | 4.8★ (237) | Clifton Heights, 27 mi away | 24/7 | — |
| 8 | Zen Windows Central PA | 84 | 4.9★ (127) | Lancaster, 34 mi away | 24/7 | — |
| 9 | 1st Class Glass LLC | 84 | 4.7★ (18) | Wilmington, 11 mi away | 24/7 | — |
| 10 | Marathon Restorations Roofing, Windows and Siding | 84 | 4.9★ (56) | Hockessin, 3 mi away | 24/7 | — |
The 417 best window installers in Kennett Square, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in King of Prussia, 24 mi away
88/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 5,896 Google reviews, listed on Google as “Window installation service”.
- 4.9★ from 5,896 Google reviews
- Hours
- Mon–Thu 8 AM–11 PM · Fri 8 AM–10 PM · Sat–Sun 9 AM–10 PM
- Address
- 761 5th Ave #3, King of Prussia, PA 19406
Based in Pennsauken, 38 mi away
87/100CR ScoreRanked #3 because of its Google rating and availability: 4.7★ from 4,668 Google reviews, open 24/7.
- 4.7★ from 4,668 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9256 Commerce Hwy, Pennsauken, NJ 08110
Based in Glassboro, 22 mi away
86/100CR ScoreRanked #4 because of its Google rating and availability: 5.0★ from 75 Google reviews, open 24/7.
- 5.0★ from 75 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Richboro, 22 mi away
85/100CR ScoreRanked #5 because of its Google rating and availability: 5.0★ from 54 Google reviews, open 24/7.
- 5.0★ from 54 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Newark, 14 mi away
85/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 193 Google reviews, listed on Google as “Window installation service”.
- 4.9★ from 193 Google reviews
- Hours
- Mon–Thu 8 AM–11 PM · Fri 8 AM–10 PM · Sat–Sun 9 AM–10 PM
- Address
- 179 W Chestnut Hill Rd Suite 7, Newark, DE 19713
Based in Clifton Heights, 27 mi away
84/100CR ScoreRanked #7 because of its Google rating and availability: 4.8★ from 237 Google reviews, open 24/7.
- 4.8★ from 237 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Lancaster, 34 mi away
84/100CR ScoreRanked #8 because of its Google rating and availability: 4.9★ from 127 Google reviews, open 24/7.
- 4.9★ from 127 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 40 N Christian St Suite #202 Office 314, Lancaster, PA 17602
Based in Wilmington, 11 mi away
84/100CR ScoreRanked #9 because of its Google rating and availability: 4.7★ from 18 Google reviews, open 24/7.
- 4.7★ from 18 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 108 A St, Wilmington, DE 19801
Based in Hockessin, 3 mi away
84/100CR ScoreRanked #10 because of its Google rating and availability: 4.9★ from 56 Google reviews, open 24/7.
- 4.9★ from 56 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 315 Lower Snuff Mill Road, Hockessin, DE 19707
#11 Grimes Glass LLC
Based in Aberdeen, 37 mi away
84/100CR ScoreRanked #11 because of its Google rating and availability: 5.0★ from 101 Google reviews, open 24/7.
- 5.0★ from 101 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#12 PJ Fitzpatrick
Based in New Castle, 13 mi away
83/100CR ScoreRanked #12 because of its Google rating and review volume: 4.8★ from 12,968 Google reviews, the most Google reviews on this list (12,968).
- 4.8★ from 12,968 Google reviews
- Hours
- Mon–Fri 8 AM–9 PM · Sat–Sun 8 AM–6:30 PM
- Address
- 21 Industrial Blvd, New Castle, DE 19720
Based in Edgemoor, 22 mi away
83/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 21 Google reviews, open 24/7.
- 5.0★ from 21 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in New Castle, 11 mi away
83/100CR ScoreRanked #14 because of its Google rating and availability: 4.8★ from 718 Google reviews, open 24/7.
- 4.8★ from 718 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 101 S Mary St, Newport, DE 19804
Based in Wilmington, 11 mi away
83/100CR ScoreRanked #15 because of its Google rating and availability: 4.9★ from 349 Google reviews, open 24/7.
- 4.9★ from 349 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 412 Meco Dr, Wilmington, DE 19804
Based in West Chester, 10 mi away
82/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 316 Google reviews, listed on Google as “Window installation service”.
- 4.9★ from 316 Google reviews
- Hours
- Mon–Sat 9 AM–5 PM · Sun closed
- Address
- 882 S Matlack St STE G, West Chester, PA 19382
Based in Chester Springs, 17 mi away
81/100CR ScoreRanked #17 because of its Google rating and availability: 4.9★ from 285 Google reviews, open 24/7.
- 4.9★ from 285 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 18 E Lancaster Ave, Malvern, PA 19355
Based in King of Prussia, 20 mi away
81/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 73 Google reviews, listed on Google as “Window installation service”.
- 4.8★ from 73 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 8:30 AM–5:30 PM · Sun 9 AM–6 PM
Based in Bellmawr, 33 mi away
81/100CR ScoreRanked #19 because of its Google rating and availability: 4.9★ from 272 Google reviews, open 24/7.
- 4.9★ from 272 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 363 W Browning Rd Unit-B, Bellmawr, NJ 08031
Based in Claymont, 16 mi away
81/100CR ScoreRanked #20 because of its Google rating and availability: 5.0★ from 151 Google reviews, open 24/7.
- 5.0★ from 151 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Wayne, 19 mi away
81/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 200 Google reviews, listed on Google as “Window installation service”.
- 5.0★ from 200 Google reviews
- Hours
- Mon–Thu 8 AM–6:30 PM · Fri 8 AM–5:30 PM · Sat 8:30 AM–4:30 PM · Sun closed
- Address
- 3606 Winding Way, Newtown Square, PA 19073
Based in New Castle, 12 mi away
81/100CR ScoreRanked #22 because of its Google rating and availability: 4.9★ from 142 Google reviews, open 24/7.
- 4.9★ from 142 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 13 King Ct Suite 3, New Castle, DE 19720
Based in Oxford, 9 mi away
81/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 102 Google reviews, open 7 days a week.
- 5.0★ from 102 Google reviews
- Hours
- Mon–Fri 7 AM–11 PM · Sat 7 AM–8 PM · Sun 7 AM–6 PM
Based in Camden, 26 mi away
81/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.8★ from 94 Google reviews, listed on Google as “Window installation service”.
- 4.8★ from 94 Google reviews
- Hours
- Mon–Sun 9 AM–6 PM
Based in Carneys Point, 26 mi away
81/100CR ScoreRanked #25 because of its Google rating and availability: 4.9★ from 491 Google reviews, open 24/7.
- 4.9★ from 491 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1194 US-40, Pilesgrove, NJ 08098
Window installers ranked #26 to #50
#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 417 ranked window installers here; the rest are on their profiles.
Also serving Kennett Square
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 |
|---|---|---|
| Able Roofing and Siding | 1.5★ (2) | 19 mi |
| Accurate Window & Construction | 5.0★ (2) | 11 mi |
| AJ Construction CT LLC | 5.0★ (2) | 10 mi |
| Anthony Dambro General Contractor, Inc. | 5.0★ (2) | 13 mi |
| Appleby Systems West Chester | 1.5★ (2) | 11 mi |
| Architectural Window Restoration | 4.5★ (2) | 15 mi |
| BrentMore Construction, Inc. | 5.0★ (2) | 35 mi |
| Countryside Roofing & Exteriors | 5.0★ (2) | 25 mi |
| CRJ Construction | 5.0★ (2) | 24 mi |
| DMB Contracting | 5.0★ (35) | In Kennett Square |
| Everman Glass Service | 5.0★ (2) | 25 mi |
| Main Construction, LLC | 5.0★ (2) | 36 mi |
| Quality Standard Remodeling Inc. | 3.5★ (2) | 29 mi |
| R.C MARK LLC | 3.0★ (2) | 34 mi |
| Robert's Roofing, Inc. | 4.6★ (28) | In Kennett Square |
| Simply Great Windows | 5.0★ (2) | 31 mi |
| The Gutter Guys Chester County | 4.7★ (394) | In Kennett Square |
| Tycos General Contracting Inc. | In Kennett Square | |
| Vale FRP Doors | 4.5★ (2) | 24 mi |
| Wayne Siding, Windows and Roofing Installation Company | 5.0★ (2) | 22 mi |
How much do window installers cost in Kennett Square?
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 |
How we ranked Kennett Square window installers
We scored 417 Kennett Square 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 Kennett Square 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 |
Window installers in Kennett Square: frequently asked questions
Who is the best window installer in Kennett Square?
By CR Score, the highest-ranked window installer in Kennett Square, PA is Smart Shield Windows with a CR Score of 89/100. It has 5.0★ from 346 Google reviews. It is open 24/7. Renewal by Andersen Window Replacement (#2) and Window Nation (#3) follow. We ranked 417 window installers on 8 factors, last updated October 22, 2026.
How many window installers are there in Kennett Square?
ContractorsRanked ranks 417 window installers serving Kennett Square, PA. Another 20 within 40 mi are listed but not ranked yet. Counts are as of October 2026.
Which window installers in Kennett Square are open 24/7?
53 ranked window installers in Kennett Square post 24/7 hours. The highest-ranked are Smart Shield Windows (#1), Window Nation (#3) and Hargrave Contractors, LLC (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which window installers in Kennett Square work on weekends?
243 of 417 ranked window installers post Saturday hours and 110 post Sunday hours. The highest-ranked open Saturdays are Smart Shield Windows (#1), Renewal by Andersen Window Replacement (#2) and Window Nation (#3). Posted hours are office hours; crews may book weekend jobs separately.
How much does window replacement cost in Kennett Square?
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 Kennett Square window installers have?
The median Google rating among 417 rated window installers in Kennett Square is 4.9★, with a median of 35 reviews. PJ Fitzpatrick has the most, 12,968 reviews, and ranks #12. 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do window installers outside Kennett Square count in this ranking?
Yes, if they are within 40 mi of the Kennett Square 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 Kennett Square
- October 2026: CR Scores recalculated for 417 window installers serving Kennett Square.
- October 2026: 1 duplicate listing merged.
More window installers and Kennett Square pages
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