68 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Charleston: Coastal Siding & Windows, CR Score 88/100; 4.5★ from 41 Google reviews; open 24/7.
Best for emergencies (open 24/7): Ketchum Roofing & Windows, posts 24/7 hours; ranked #3 of 68.
Most-reviewed: West Shore Home, 1,162 Google reviews at 4.8★, the most of 68 ranked; ranked #14.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
68 Charleston window installers are ranked here by CR Score, from 8 published factors. 10 are open 24/7, 33 open Saturdays and 14 open Sundays, based on posted hours. The median Google rating is 4.9★ across 68 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Coastal Siding & Windows | 88 | 4.5★ (41) | Charleston | 24/7 | Overall |
| 2 | KJM Glass | 87 | 5.0★ (58) | Goose Creek, 5 mi away | — | — |
| 3 | Ketchum Roofing & Windows | 87 | 5.0★ (235) | Charleston | 24/7 | Emergencies |
| 4 | Window Ninjas Charleston | 86 | 4.9★ (517) | North Charleston, 7 mi away | Sat · Sun | — |
| 5 | Transform Charleston Roofing, Siding & Gutters | 86 | 5.0★ (112) | Charleston | 24/7 | — |
| 6 | Southern Industries Home Improvements | 85 | 4.7★ (698) | North Charleston, 12 mi away | 24/7 | — |
| 7 | Top Tier Gutters & Windows | 85 | 4.9★ (413) | North Charleston, 13 mi away | Sat | — |
| 8 | Window Genie of Charleston Coastal | 84 | 5.0★ (79) | Mount Pleasant, 2 mi away | Sat · Sun · Evenings | — |
| 9 | Zeigler Metal Roofing and Shingles | 84 | 5.0★ (42) | Charleston | 24/7 | — |
| 10 | Charleston Handyman | 83 | 4.0★ (4) | Charleston | 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 availability: 4.5★ from 41 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Goose Creek, 5 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 58 Google reviews, listed on Google as “Window installation service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Charleston
Ranked #3 because of its Google rating and review volume: 5.0★ from 235 Google reviews, 235 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Charleston, 7 mi away
Ranked #4 because of its Google rating and review volume: 4.9★ from 517 Google reviews, 517 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston
Ranked #5 because of its Google rating and availability: 5.0★ from 112 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Charleston, 12 mi away
Ranked #6 because of its Google rating and availability: 4.7★ from 698 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Charleston, 13 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 413 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mount Pleasant, 2 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 79 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston
Ranked #9 because of its Google rating and availability: 5.0★ from 42 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston
Ranked #10 because of its Google rating and availability: 4.0★ from 4 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston
Ranked #11 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston
Ranked #12 because of its Google rating and trade focus: 4.6★ from 157 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston
Ranked #13 because of its Google rating and availability: 5.0★ from 32 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Ladson, 16 mi away
Ranked #14 because of its Google rating and review volume: 4.8★ from 1,162 Google reviews, the most Google reviews on this list (1,162).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston
Ranked #15 because of its Google rating and review volume: 4.7★ from 282 Google reviews, 282 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Summerville, 22 mi away
Ranked #16 because of its Google rating and availability: 5.0★ from 83 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston
Ranked #17 because of its Google rating and trade focus: 5.0★ 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 Summerville, 21 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 559 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston
Ranked #19 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Charleston, 8 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 12 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Mount Pleasant, 3 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Gutter cleaning service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston
Ranked #22 because of its Google rating and availability: 4.8★ from 10 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Charleston, 10 mi away
Ranked #23 because of its Google rating and review volume: 4.9★ from 605 Google reviews, 605 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in North Charleston, 8 mi away
Ranked #24 because of its Google rating and review volume: 5.0★ from 142 Google reviews, 142 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston
Ranked #25 because of its Google rating and review volume: 5.0★ from 80 Google reviews, 80 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 68 ranked window installers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | CMS Roofing | 78 | 4.8★ (128) | 21 mi |
| 27 | New Beginnings Construction, Inc | 78 | 4.9★ (444) | In Charleston |
| 28 | Icon Window and Door | 77 | 4.9★ (38) | 6 mi |
| 29 | Division 1 Roofing - Charleston, SC | 77 | 5.0★ (44) | 13 mi |
| 30 | Pioneer Roofing | 77 | 4.9★ (57) | In Charleston |
| 31 | KTB Home Services, LLC | 76 | 4.8★ (48) | In Charleston |
| 32 | Century Commercial Glass Systems | 76 | 4.5★ (99) | 13 mi |
| 33 | Window Gang Charleston | 76 | 4.9★ (244) | 14 mi |
| 34 | Charleston Glass LLC | 75 | 4.2★ (123) | 7 mi |
| 35 | Glass Doctor Auto of Charleston | 75 | 4.5★ (48) | 13 mi |
| 36 | Window World of the Lowcountry | 75 | 4.3★ (280) | 20 mi |
| 37 | Holmes Glass | 75 | 4.5★ (74) | 17 mi |
| 38 | RbA of Charleston-Hilton Head, SC (446) | 75 | 4.9★ (38) | 21 mi |
| 39 | Muhler | 74 | 4.2★ (71) | 11 mi |
| 40 | Powell Roofing LLC | 73 | 4.9★ (350) | 19 mi |
| 41 | Window Replacement Sumter | 73 | 4.8★ (6) | 25 mi |
| 42 | EcoView Windows & Doors of Charleston | 73 | 5.0★ (4) | 8 mi |
| 43 | Luke's Porch and Window Screening | 73 | 5.0★ (19) | In Charleston |
| 44 | Windward Shutters, LLC | 73 | 4.3★ (4) | 3 mi |
| 45 | Contract Exteriors | 73 | 4.7★ (115) | In Charleston |
| 46 | Martin’s Tile and Wood | 72 | 5.0★ (5) | In Charleston |
| 47 | Valley Roofing and Siding Company, LLC | 72 | 5.0★ (5) | In Charleston |
| 48 | Charleston Exteriors, LLC | 72 | 4.7★ (79) | In Charleston |
| 49 | A Morgan Glass | 72 | 4.2★ (44) | 20 mi |
| 50 | Window King | 72 | 4.9★ (16) | 5 mi |
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 |
|---|---|---|
| Air Duct Charleston | 5.0★ (29) | In Charleston |
| Atlantic Architectural Windows & Doors | 5.0★ (2) | In Charleston |
| BOSSCAT | 3.6★ (109) | In Charleston |
| Carolina Construction of Charleston | 5.0★ (19) | In Charleston |
| Chameleon Resurfacing | 3.0★ (2) | In Charleston |
| Charleston Roofing Experts | 4.7★ (59) | In Charleston |
| Enhanced Exteriors | 5.0★ (23) | In Charleston |
| Holy City Heating & Air, LLC | 4.9★ (1,019) | In Charleston |
| Homevade Contracting, LLC | 4.9★ (33) | In Charleston |
| Ideal Siding Charleston | 5.0★ (21) | In Charleston |
| Kohr Construction | 5.0★ (14) | In Charleston |
| O'Connor Homes | 5.0★ (57) | In Charleston |
| One Stop Contracting | 4.9★ (82) | In Charleston |
| Reflections of Charleston | 5.0★ (84) | In Charleston |
| Screenmobile of Charleston | 5.0★ (687) | In Charleston |
| Sears Heating and Air Conditioning | 1.0★ (2) | In Charleston |
| Summer Breeze Home Renovations | 5.0★ (22) | In Charleston |
| T-Flow Inc. of Charleston, SC | 4.9★ (155) | In Charleston |
| Tri-County Paint Masters, LLC | 4.6★ (25) | In Charleston |
| Windows America | 3.0★ (2) | In Charleston |
Typical prices in USD, adjusted for South Carolina 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 68 Charleston 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 Charleston 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 |