Replacement Windows Company in Charleston, SC

Looking for replacement windows company in Charleston, SC? Call ReplacementWindows Direct for a contact a provider — no obligation. Licensed window pros serve Charleston and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

What affects the price

Replacing windows involves several variables that change the final bill. The size and style of the window are big factors; fixed glass usually costs less than units that open, like double-hung or casement styles. Your choice of frame material—vinyl, wood, or fiberglass—also shifts the number significantly, as does the glass package you choose for energy efficiency. The complexity of the installation matters too, especially if there is existing rot or if the home needs structural work to fit new frames. Exact pricing confirmed free on the call.

Frequently asked in Charleston

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Also serving nearby: Mount Pleasant · North Charleston · Savannah · Columbia · Wilmington

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More on this: ENERGY STAR windows — efficiency ratings.

Service area details

155,369residents

1,350per sq mile

8ZIP codes served

Serving all of Charleston — population 155,369; about 1,350 residents per square mile across 115.1 sq mi. ZIP codes covered include 29401, 29402, 29403, 29406, 29407, 29409, 29412, 29413.

Neighborhoods served in Charleston: Historic District, South of Broad, Harleston Village, Cannonborough/Elliotborough, French Quarter — and every surrounding area.