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Trusted Charleston window installers, free in-home quotes, licensed & insured pros, workmanship warranty.
Window installation in Charleston fights the coast every single day. You sit on a peninsula between two rivers, so salt air, heavy humidity, and direct hurricane exposure all work on your windows at once. Summers stay hot and sticky near 89 degrees, and old sashes let that damp heat pour straight into your rooms.
Charleston homes lean historic and one of a kind. Think antebellum mansions South of Broad, Charleston single houses turned sideways with a piazza, and Federal and colonial homes around Harleston Village and Wagener Terrace, plus ranches and bungalows out in West Ashley. Many still carry original wood sash. You feel it as drafts, high cooling bills, sticky windows swollen from the humidity, and street noise. Fresh windows solve all of that.
Licensed, vetted, background-checked crews do every install, so quality stays consistent from measure to cleanup.
You get a full line-item quote up front, with no surprise charges added later.
If your job needs Board of Architectural Review approval or a permit from the City of Charleston Permit Center, your installer files it and handles code compliance.
If anything ever goes wrong with our work, your installer comes back and fix it, backed by the manufacturer's warranty too.
Every style, built for Charleston's climate.
Two sashes that slide up and down, a classic match for Charleston single houses and easy to clean.
Cranks open on a side hinge for strong airflow and a tight seal against salt air and rain.
Glides on a track, a good fit for wide openings and open river or marsh views.
One large fixed pane that pulls in coastal light without any drafts.
Projecting multi-panel windows that add interior space and real curb appeal to a historic facade.
Top-hinged awnings vent during a summer downpour; garden windows add a shelf for plants and herbs.
For Charleston's hot, humid coastal climate we most often install vinyl or fiberglass frames with Low-E 366 spectrally-selective glass.
Get a free, no-pressure recommendation for your Charleston home, any style, any material.
From one drafty sash to an entire building, we serve homeowners and property owners across Greater Charleston.
We work on single-family homes, Charleston single houses, historic homes, townhomes, and condos. That covers measurement, any Board of Architectural Review and Permit Center approvals, install, and cleanup.
We also handle offices, retail storefronts, multi-family buildings, and HOAs. You get code-compliant coastal glazing, low-disruption scheduling, and bulk pricing.
Residential or commercial, most Charleston property types qualify. No deposit, no pressure.
Licensed & insured · Lifetime workmanship warranty · Reply in 1 business hour
Charleston sits in climate zone 3A, a hot and humid coastal zone. That means your windows have to block solar heat and hold up to salt and storms more than they need to trap warmth. Here is the setup we suggest for a Charleston home:
| Spec | Recommended for Charleston | Why |
|---|---|---|
| Glass coating | Low-E 366 spectrally-selective | blocks solar heat, keeps interiors cool |
| Frame material | Vinyl or fiberglass | humid, salty coastal air, corrosion-resistant, no rot |
| Gas fill | Argon | better insulation; pairs with impact-rated laminated glass |
| U-factor target | ≤ 0.30 | exceeds the South Carolina energy code requirement for zone 3A |
| SHGC target | 0.22 | beats the code cap, and it is what blocks the sun |
In Charleston, the solar heat gain number does the heavy lifting. A low SHGC keeps the strong coastal sun from turning your rooms into an oven and eases the load on your air conditioner. Local power runs about 17.5 cents per kilowatt-hour, so tighter, better-shaded glass trims a cooling bill that runs hard for most of the year.
Charleston sits in hurricane country, and windows are the most vulnerable part of your building envelope. Once a window fails mid-storm, wind pressure gets inside the house and pushes up on the roof, which is why impact-rated laminated glass is the highest-value upgrade you can make on a coastal home.
Is it actually required? That depends on your exact address, not your city. Impact-resistant or shuttered glazing is mandated only inside designated wind-borne debris regions, and the boundary is drawn by design wind speed, so two Charleston homes a few miles apart can have completely different requirements. We check your address against the current South Carolina maps before we quote, and handle the certification paperwork if your job falls inside the line.
Window installation in Charleston usually runs $470 to $860 per installed window, or $9,000 to $18,000 for a full home. Historic-district homes can land at the higher end because the Board of Architectural Review often requires custom wood units built to match the originals, and tight peninsula lots make access slower. Coastal impact-rated glazing also adds cost where the wind zone calls for it. With local home values near $560,000, quality windows protect both your comfort and your resale.
Get a free, no-pressure in-home quote today, licensed, insured, and backed by the installer's lifetime workmanship warranty.
On-site measurement of each opening, then a written estimate you can hold us to.
Your windows are built to the exact size of each Charleston opening, historic shapes included.
Most homes are finished in a single day, and your installer pulls the Permit Center paperwork for you.
We clean up, haul off the old sash, and register your warranty before we leave.
Charleston is one of the strictest cities in the country for exterior changes. If your home falls inside the Old and Historic District, any window change visible from the street needs Board of Architectural Review approval before a building permit can be issued, and vinyl or aluminum-clad units are often not allowed. Even a like-for-like swap outside the historic district is pulled through the City of Charleston Permit Center, which works under the 2021 South Carolina building codes based on the IECC. In coastal wind-borne-debris areas, replacements must meet current wind-load rules with no historic grandfathering once a permit is open. Your installer handles the BAR submittal, the permit, and code compliance for you.
"From quote to install in South of Broad, everything was exactly what they said it would be."
"Two of our Harleston Village windows had been painted shut for years. They open like new now."
"Got three quotes in Charleston. Theirs was the only one that explained the glass choice."
Recent project: Full-home replacement in South of Broad, 18 Low-E 366 spectrally-selective windows.
See what your project would cost, free, no-obligation in-home quote.
ZIP codes served: 29401, 29403, 29407, 29412, 29414
Almost always yes. Outside the historic district, replacements are permitted through the City of Charleston Permit Center. Inside the Old and Historic District, you also need Board of Architectural Review approval before the permit is issued. We handle both.
For Charleston's hot, humid zone 3A coast, we recommend Low-E 366 spectrally-selective glass in vinyl or fiberglass frames, targeting a U-factor near 0.30 and a low SHGC around 0.22. Where your address sits in a wind-borne-debris zone, we spec impact-rated glazing.
Most Charleston jobs run $470 to $860 per installed window, or $9,000 to $18,000 for a full home. Custom historic wood units and coastal impact glazing sit at the higher end.
Local power runs about 17.5 cents per kilowatt-hour. On a typical home, energy-efficient windows save about $546 a year on the ENERGY STAR published figure for this climate zone, or about $336 if you are replacing older double pane by cutting the long cooling season's load.
Yes, but the Board of Architectural Review controls it tightly. New windows usually must match the originals in material, size, and design, and custom wood is often required. Your installer prepares the BAR application and coordinates the whole approval.
Yes. Every installer we match you with is licensed, bonded and insured in South Carolina, and their work carries a lifetime workmanship warranty from your installer alongside the manufacturer's warranty on the windows. We arrange your quote and the introduction; your installation contract is with the installer who does the work.
Free, no-pressure in-home estimate. No deposit to book. Satisfaction guaranteed.
