34 window installers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Sumter: West Shore Home, CR Score 84/100; 4.6★ from 868 Google reviews; open 7 days a week.
Best for emergencies (open 24/7): Three J Property Maintenance LLC, posts 24/7 hours; ranked #2 of 34.
Most-reviewed: Glass Doctor of Columbia, SC, 386 Google reviews at 4.7★, the most of 34 ranked after West Shore Home; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
34 Sumter window installers are ranked here by CR Score, from 8 published factors. 5 are open 24/7, 21 open Saturdays and 11 open Sundays, based on posted hours. The median Google rating is 4.8★ across 34 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | West Shore Home | 84 | 4.6★ (868) | Columbia, 37 mi away | Sat · Sun · Evenings | Overall |
| 2 | Three J Property Maintenance LLC | 81 | 4.4★ (42) | Florence, 37 mi away | 24/7 | Emergencies |
| 3 | Sumter Window Replacement | 81 | 4.7★ (6) | Lexington, 3 mi away | — | — |
| 4 | Glass Doctor Home + Business of Sumter | 78 | 4.4★ (142) | Sumter | — | — |
| 5 | Shelley Custom Roofing & Construction | 78 | 4.9★ (49) | Columbia, 34 mi away | 24/7 | — |
| 6 | Renewal by Andersen Window Replacement | 77 | 4.0★ (79) | Columbia, 37 mi away | Sat · Sun · Evenings | — |
| 7 | Glass Doctor of Columbia, SC | 76 | 4.7★ (386) | Columbia, 35 mi away | — | Most reviews |
| 8 | Lyons Excellence LLC | 76 | 4.7★ (6) | Lugoff, 33 mi away | Sat · Sun | — |
| 9 | Window Hero Columbia | 76 | 5.0★ (36) | Cayce, 39 mi away | Sat · Sun · Evenings | — |
| 10 | The Glass Guru | 76 | 4.9★ (173) | Columbia, 38 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 review volume: 4.6★ from 868 Google reviews, the most Google reviews on this list (868).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Florence, 37 mi away
Ranked #2 because of its Google rating and availability: 4.4★ from 42 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lexington, 3 mi away
Ranked #3 because of its Google rating and trade focus: 4.7★ from 6 Google reviews, listed on Google as “Window installation service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Sumter
Ranked #4 because of its Google rating and trade focus: 4.4★ from 142 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 34 mi away
Ranked #5 because of its Google rating and availability: 4.9★ from 49 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 37 mi away
Ranked #6 because of its Google rating and trade focus: 4.0★ from 79 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 35 mi away
Ranked #7 because of its Google rating and trade focus: 4.7★ from 386 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lugoff, 33 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 6 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Cayce, 39 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 36 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 38 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 173 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 40 mi away
Ranked #11 because of its Google rating and trade focus: 4.5★ from 94 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Concord, 38 mi away
Ranked #12 because of its Google rating and availability: 4.8★ from 21 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Monroe, 38 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Lincolnton, 38 mi away
Ranked #14 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Charleston, 38 mi away
Ranked #15 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 Mooresville, 38 mi away
Ranked #16 because of its Google rating and availability: 4.8★ from 9 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 28 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 83 Google reviews, listed on Google as “Gutter cleaning service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Florence, 37 mi away
Ranked #18 because of its Google rating and trade focus: 3.8★ from 6 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Florence, 38 mi away
Ranked #19 because of its Google rating and trade focus: 4.5★ from 25 Google reviews, listed on Google as “Window installation service”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 36 mi away
Ranked #20 because of its Google rating and review volume: 5.0★ from 51 Google reviews, 51 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sumter
Ranked #21 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Interior designer”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbia, 38 mi away
Ranked #22 because of its Google rating and availability: 3.7★ from 6 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Concord, 38 mi away
Ranked #23 because of its Google rating and availability: 2.5★ from 16 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Hartsville, 34 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sumter
Ranked #25 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #34, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Dennis Home Improvement, LLC | 67 | 4.8★ (125) | 39 mi |
| 27 | RedBird Windows & Doors | 67 | 3.7★ (6) | 35 mi |
| 28 | Valley Roofing and Siding Company, LLC | 67 | 5.0★ (5) | 30 mi |
| 29 | L & M Glass Co | 67 | 3.3★ (12) | 38 mi |
| 30 | Bigger Glass Company | 66 | 5.0★ (3) | 34 mi |
| 31 | Modern Touch | 65 | 4.3★ (6) | 38 mi |
| 32 | Exterior Gutters and Home Improvement | 65 | 5.0★ (16) | 28 mi |
| 33 | Roughneck Renovations | 63 | 5.0★ (3) | 38 mi |
| 34 | Christenbury Construction and Remodel | 59 | 5.0★ (4) | 38 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 |
|---|---|---|
| Advanced Spray Foam and Coatings, LLC | 5.0★ (11) | In Sumter |
| Air Plus Services | 2.0★ (63) | In Sumter |
| Air Solutions Heating and Cooling | 4.9★ (1,344) | In Sumter |
| Aire Serv of Sumter | 4.9★ (959) | In Sumter |
| Arnette Siding Windows & Roofing Co. | 1.0★ (1) | 38 mi |
| Blue Heeler Roofing | 5.0★ (1) | 38 mi |
| Cape Fear Exteriors | 5.0★ (1) | 38 mi |
| Clean Cut Lawn Care & Landscaping | 4.8★ (80) | In Sumter |
| Dream Team Construction | 4.3★ (6) | In Sumter |
| DreamBath | 5.0★ (19) | In Sumter |
| Green Exterior Remodeling of Columbia | 5.0★ (1) | 37 mi |
| JR Window Installation Company | 3.0★ (2) | 35 mi |
| K and D Glass | 5.0★ (2) | 32 mi |
| Leak Seekers Plumbing, LLC | 4.7★ (673) | In Sumter |
| LG Dirtbusters LLC | 5.0★ (9) | In Sumter |
| R & J Home Improvements | 1.0★ (2) | In Sumter |
| Southern Roofing Services Inc | 4.6★ (12) | In Sumter |
| SSI Siding Installers | 1.0★ (1) | In Sumter |
| Vinyl Siding By Chuck Brown | 4.5★ (2) | In Sumter |
| Williams Home Improvement | 3.0★ (2) | 31 mi |
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 34 Sumter 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 Sumter 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 |