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The 10 Best Window Replacement Services in Charleston (2026)
These rankings are built from Google review data using a Bayesian-type weighting of average rating and review count, and updated for 2026 to reflect current feedback from local customers. We focused on businesses that appear under window- or glass-related Google categories across the Charleston area, and ranked them by a score that balances star rating with how many people reviewed each company. Charleston’s coastal climate, historic architecture, and year-round sun mean window work can be both practical and visible on a home’s curb appeal, so community reviews are a useful signal. This list highlights the highest-rated, most-reviewed local options so you can start researching contractors with a short list.
This ranking is computed from Google reviews (our method). Listings marked Partner are paid advertising spots: they sit alongside the ranking without changing its order.
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Charleston Auto Glass
Charleston Auto Glass earns the top spot by pairing a perfect 5.0 Google rating with a very large review total (1,114), giving it exceptional weight in a rating system that favors both score and volume. Listed as an Auto glass shop in Charleston, its high review count increases confidence that the 5-star rating reflects many customers. That combination of a flawless average and substantial review volume is why it emerges first in our 2026 ranking.
The full ranking
Screenmobile of Charleston
Screenmobile of Charleston appears as a Door supplier in Mt Pleasant (1000 Johnnie Dodds Blvd) and holds a 5.0 Google rating from 727 reviews.
727 reviews
Transform Charleston Roofing, Siding & Gutters
Transform Charleston Roofing, Siding & Gutters is categorized as a Window installation service in Mt Pleasant (1705 Beaucastle Rd) and has a 5.0 rating from 163 reviews.
163 reviews
Charleston Window Treatments
Charleston Window Treatments shows up as a Window treatment store in Charleston (1617 Timothy St), carrying a 5.0 score based on 125 Google reviews.
125 reviews
Window Hero Charleston
Window Hero Charleston is listed as a Window cleaning service in Mt Pleasant (222 W Coleman Blvd) and holds a 4.9 rating across 1,039 reviews.
1039 reviews
Charleston Roofs and Windows
Charleston Roofs and Windows appears as a Window installation service in Ladson (9565 William Aiken Ave) with a 4.9 Google rating from 680 reviews.
680 reviews
Window Ninjas Charleston
Window Ninjas Charleston is a Window cleaning service in North Charleston (4112 Meeting St) and has a 4.9 rating supported by 542 reviews.
542 reviews
New Beginnings Construction, Inc
New Beginnings Construction, Inc is listed as a Window installation service in Charleston (1064 Gardner Rd) with a 4.9 Google rating from 527 reviewers.
527 reviews
Top Tier Home Improvement
Top Tier Home Improvement appears as a Window installation service in North Charleston (3339 Business Cir) and carries a 4.9 rating based on 468 reviews.
468 reviews
Glass America – Auto Glass & Windshield Replacement
Glass America – Auto Glass & Windshield Replacement is categorized as an Auto glass shop in Charleston (65 Hasell St) with a 4.9 rating from 62 Google reviews.
62 reviews
Frequently asked questions
How should I choose a window replacement company in Charleston?
Compare verified customer reviews, contractor licensing, warranties, and clear written estimates. Also prioritize companies that explain materials and installation methods, and ask for local references so you can see recent work in Charleston’s climate.
What factors affect the cost of window replacement?
Cost depends on the number and size of windows, frame and glass type, energy-efficiency ratings, and the complexity of installation. Always get several itemized estimates and confirm whether removal, disposal, and any trim or repair work are included.
What should I check before hiring a window installer?
Verify license and insurance, read recent customer reviews, and ask about manufacturer warranties and installation guarantees. Request a written contract that specifies scope, timeline, payment schedule, and how unforeseen issues will be handled.
How is this ranking built and updated?
This list is generated from Google review data using a weighted method that balances average star rating with review counts (a Bayesian-style score), and was refreshed for 2026 to reflect current public ratings. It ranks businesses that appear in window- or glass-related Google categories across the Charleston area.