The Lowcountry's
Most Trusted
Window Replacement
Team
High-performance vinyl replacement windows designed for South Carolina's coastal climate and engineered to enhance comfort, cut energy costs, and elevate your home's style.
Want to learn more about us?
See what we're all about!
Your Go-To Window Experts
The Reliable Source For Windows & Doors In Charleston, SC
HOW DO YOU KNOW?
When is it time to replace your windows?
What We Do
Replacement Windows & Doors in Charleston & the Lowcountry
The Window Source of the Lowcountry delivers exceptional value to homeowners throughout Charleston, Mount Pleasant, Hilton Head, and neighboring coastal communities. Our goal is to make your window, door, or siding project smooth, affordable, and stress-free.
Replacement Windows
Enhance your home with energy-efficient windows that deliver strength, beauty, and long-term savings in our coastal environment.
Entry Doors
Transform your entryway with custom-built doors that combine style, security, and durability against coastal elements.
Patio Doors
Create a seamless connection to your outdoor space with expertly installed patio doors built to withstand Lowcountry conditions.
Why Choose Us
Locally Owned & Operated right here in the Lowcountry
When it comes to upgrading your home, you deserve the best value for your investment. That's why we offer top-quality products designed to handle South Carolina's coastal climate from humid summers and salt air to the occasional storms all while keeping your home looking beautiful and energy-efficient for years to come.
Based in Charleston and proudly serving the Lowcountry, our local team of home improvement experts specialize in affordable, high-performance replacement windows, durable vinyl siding, and beautiful patio doors, and entry doors. With a wide selection of styles, colors, and sizes, we're here to help you boost your home's curb appeal, comfort, and efficiency all throughout the Charleston, Hilton Head, Mount Pleasant, and Lowcountry region.
Our Service Area
Neighborhoods and Communities we Serve
From historic homes in Charleston and charming cottages on Sullivan's Island to modern builds in Mount Pleasant, Hilton Head, and Daniel Island, we're proud to serve homeowners across the entire Lowcountry.
Whether you're on James Island, Johns Island, Kiawah Island, or in Summerville, Bluffton, or Beaufort, you'll find completed projects nearby. With more than 20 years of hands-on experience, our expert installers are known for quality craftsmanship and friendly service.
Areas We Serve
If you're in the Lowcountry but don't see your community listed, give us a call, we probably service your area and would love to work with you!
Reviews
Hear From Our Charleston, Hilton Head & Lowcountry Customers
"I absolutely love our new windows and this company. The owner came out himself to do the consultation. My husband and I told him the price we were wanting to stay around and he made it work. They replaced all of our windows in one day! That was 10 windows!!!!"
Erin G.
"Their quote was the most reasonable and service was excellent. I plan to use them a 3rd time in the future."
Troy S.
"Lincoln was fantastic to work with. No pressure sales, and had great quality products. He was very involved in the entire process, and the result is perfect."
Pete W.
"Their customer service is amazing! Quick to respond to any questions and made sure the job was being completed properly and efficiently. Our windows are beautiful and functional!"
Karen T.
"Chris and his team were very thorough and efficient. The attention to detail was excellent. Assisted with all my needs. I would highly recommend them to anyone for windows!"
Dee D.
"This company was excellent and very professional. Job well done!"
John T.
"Took the extra steps to insure the quality of the installation was perfect."
William C.
"I had just installed 8 of the double hung StormBreaker windows only a few months before hurricane Matthew hit us hard. Three large trees hit our house and destroyed the roof, but not a scratch or any damage to the windows from the 150 mph winds. We now feel it was a very good decision to pay the extra for the StormBreaker Plus windows."
StormBreaker Customer
How Payments Work
Flexible Financing Options with Hearth
Making your window and door project more affordable - quick application, pre-approval in minutes.
Our partnership with Hearth gives you access to competitive rates and flexible terms, making your window and door project more affordable. With a quick online application and pre-approval in minutes, it's often easier, and can be more cost-effective to complete the entire project at one time opposed to doing it in phases.
Explore financing options that work for you and start enjoying energy-efficient, stylish windows and doors from The Window Source today.
Prefer to speak with a real person?
Our Hearth Concierge Service makes it easy. Just call to get connected and get started TODAY!
(512) 607-5977
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Our Service Area
Proudly Serving Charleston, Hilton Head, Mount Pleasant & All of the Lowcountry
The Window Source of the Lowcountry is based in Charleston and proudly serves homeowners throughout the Lowcountry and coastal South Carolina. If you're in the Lowcountry but don't see your community listed, give us a call, we probably service your area and would love to work with you!
Call Us
(843) 894-6369
Our Warehouse
1301 Charleston Regional Pkwy
Charleston, SC 29492
Request a Free Estimate
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