Window Replacement in Charleston, SC

Replacing a window means opening up part of your home’s exterior. The window matters, but so do the flashing, seal, framing, and everything around the opening.

At Charleston Roofing and Exteriors, our project managers have hands-on experience with roofing and exterior work, so they understand how windows fit into the bigger picture. Our own crews handle the installation, and your project manager stays involved from start to finish.

Licensed & Insured Local Charleston Team 15 Years of Experience 5-Star Homeowner Reviews We Do the Work Ourselves

Signs It's Time for Window Replacement
in Charleston

Revealing worn window frames and glass that may need replacement

Common signs that it may be time for replacement include:

  • Drafts around closed windowsAir coming through a closed window can make rooms harder to keep comfortable.
  • Fogged or cloudy glassMoisture between panes usually means the insulated glass seal has failed.
  • Windows that stick or won’t stay openOperation problems tend to get worse with age.
  • Rot or soft woodDeteriorated frames, sills, or surrounding trim can allow water to reach areas that need attention and compromise curb appeal.
  • Water around the windowStaining or moisture after heavy rain can point to a problem with the window, flashing, or surrounding installation.
  • Rooms that stay hot or coldOlder or inefficient windows can make certain parts of the house noticeably less comfortable.
  • Outside noiseNew windows with modern insulated glass can also make a difference in how much exterior noise makes its way inside.
Energy performance

Low-E coatings and insulated glass reduce solar heat gain, which is the main battle in a Charleston summer. It's the difference between a room your air conditioning can keep up with and one it cannot.

Water and wind detailing

Charleston gets plenty of wind-driven rain, so the area around a window needs to be sealed and detailed properly. We pay close attention to flashing and sealing around the opening to help keep water where it belongs — outside your home.

Frame material

Vinyl frames are the common choice around here — they withstand humidity and salt air without the maintenance a wood frame demands. We'll walk through the options against your house and your budget.

Impact and wind ratings

Impact rated windows are worth considering depending on your location and how much peace of mind you want going into storm season.

What Matters in a Coastal Climate

Focusing on window sealing for Charleston's coastal wind and rain

Your Window Replacement, From Measurement to Cleanup

01We measure the openings.

Every window is measured individually so the replacement units are ordered for the actual openings.

02We remove the old windows.

Our crews carefully remove the existing units and protect the surrounding areas during the work.

03We look at what's around the window.

The surrounding frame, sill, trim, and wall area are checked for conditions that need to be addressed before installation.

04We address the opening.

We address damaged framing or other issues that need attention.

05We install and seal the new window.

Professional installation ensures the window is properly set, secured, flashed, and sealed.

06We finish the job.

We complete the necessary interior and exterior finishing, check that the windows operate correctly, clean up the work area, and haul away the old units.

Awning Windows

Hinged at the top and opening outward from the bottom, awning windows are a good option when you want ventilation while keeping the window protected from rain.

Bay or Bow Windows

Bay and bow windows extend beyond the exterior wall, bringing in more natural light while adding depth to the room.

Casement Windows

Casement windows are hinged on the side and open outward with a crank. They provide good ventilation and create a tight seal when closed.

Single-Hung Windows

With a single operating sash, single-hung windows are a straightforward choice for many rooms. They provide ventilation without adding unnecessary complexity.

Double-Hung Windows

Both sashes operate on a double-hung window, giving you more control over airflow. Many also tilt inward, making exterior glass easier to clean.

Garden Windows

Garden windows project outward from the wall, creating a small space for plants, herbs, or simply more light. They're especially popular in kitchens and other rooms where a little extra space is useful.

Geometric Windows

Geometric windows can be made in shapes and configurations beyond the standard rectangle. They're useful for unusual openings or architectural features where a standard window won't fit.

Picture Windows

Picture windows are fixed and designed to give you a wide, unobstructed view. They're a good choice when your priority is natural light and the view outside rather than ventilation.

Slider Windows

Slider windows open horizontally, making them practical when you want ventilation without a window that swings outward. Available in different configurations to fit the opening and how you use the room.

Skylights

Skylights bring natural light into areas where a traditional window isn't practical. Because they're installed in the roof, proper flashing and installation are especially important for keeping water out.

Window Styles for Charleston Homes

The right window depends on the room, the opening, and how you want the space to work. We install a range of window styles, from practical everyday options to larger windows designed to bring in more light and give you a better view.

Presenting an awning window hinged at top and opening outward below
Awning Windows
Highlighting bay and bow windows extending outward for natural light
Bay or Bow Windows
Featuring a casement window opening outward with a side hinge
Casement Windows
Illustrating a single-hung window with one operating lower sash view
Single-Hung Windows
Displaying a double-hung window with two operating sashes for airflow
Double-Hung Windows
Presenting a garden window projecting outward for plants and light
Garden Windows
Highlighting geometric windows for unique architectural home openings
Geometric Windows
Featuring a fixed picture window with wide unobstructed exterior views
Picture Windows
View of illustrating a slider window with a sash opening horizontally
Slider Windows
Displaying a fixed picture window with a wide unobstructed view
Skylights

Ready to Replace Your Windows?

Whether you’re replacing a few problem windows in West Ashley or planning a larger exterior project in Mount Pleasant, our team can help you figure out what needs to be done and handle the installation from start to finish.

Call (854) 222-7118 or request your free inspection online.

Frequently Asked Questions

It depends on the number of openings, sizes, frame and glass package, and any framing repairs behind the old units. You get a written, itemized estimate after we measure.

Most whole-house replacements are completed in one to three days on site once the windows arrive. The manufacturing lead time before that is usually the longer part.

Yes. Plenty of Charleston-area homeowners start with the worst rooms and do the rest later.

Replacing failed or single-pane windows with modern insulated glass generally improves comfort and efficiency, though how much depends on the rest of the house, including insulation, ductwork, and roofing.

Yes, old units and debris go with us.

Yes. Modern replacement windows can improve comfort and energy efficiency, particularly in rooms affected by heat, sun, and drafts. The right glass, frame, and installation also help the window perform better through Charleston’s heat, humidity, and heavy rain.

No one window style is right for every home. We look at the existing opening, how the room is used, ventilation, sun exposure, and your budget before recommending an option.

It depends on the condition of the window and the surrounding opening. Some issues can be addressed without replacing the entire window, while failed seals, deteriorated frames, recurring water problems, or older, inefficient units may make replacement the better long-term option.

They can. Insulated glass and Low-E coatings can reduce the solar heat coming through the windows, which can make rooms more comfortable during Charleston’s hot summers. Your home’s insulation, roofing, ductwork, and other factors also affect overall cooling.

Most quality replacement windows are built to last for decades. Their lifespan depends on the window material, glass, installation, and maintenance over time.

(854) 222-7118 Request an Estimate