Premium Windows • Lifetime Warranty • Locally Owned
Premium Windows • Lifetime Warranty • Locally Owned
At the Window Source of the Lowcountry we provide premium vinyl replacement windows that improve comfort, reduce energy costs, and elevate your home’s style. We’re the smart choice for Charleston homeowners.
5
Stars on Google
1,000+
Windows Installed
300+
Satisfied Customers
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.
The Window Source of the Lowcountry delivers exceptional value to homeowners throughout Charleston, Mount Pleasant, Hilton Head, and neighboring coastal communities. We specialize in replacement windows, patio doors, and entry doors—always using high-quality products and professional installation. Our goal is to make your home upgrade smooth, affordable, and stress-free.
Enhance your home with energy-efficient windows that deliver strength, beauty, and long-term savings in our coastal environment.
Transform your entryway with custom-built doors that combine style, security, and durability against coastal elements.
Create a seamless connection to your outdoor space with expertly installed patio doors built to withstand Lowcountry conditions.
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 to inspire your own transformation.
With more than 20 years of hands-on experience, our expert installers are known for quality craftsmanship and friendly service. Homeowners throughout the Charleston area, Hilton Head, and coastal communities trust us to deliver excellent results with precision and care. Check out our work and see how we’re helping your neighbors upgrade their homes with beautiful new windows and doors.
I absolutely love our new windows and this company. The owner came out himself to do the consolation. 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!!!! I would...
Mike 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!
This company was excellent and very professional. Job well done!
Took the extra steps to insure the quality of the installation was perfect
Their quote was the most reasonable and service was excellent. I plan to use them a 3rd time in the future.
Mike 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.
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!
The Window Source of the Lowcountry is based in Charleston and proudly serves homeowners throughout the Lowcountry and coastal South Carolina. Our service area includes Charleston, Hilton Head, Mount Pleasant, Daniel Island, Sullivan’s Island, James Island, Johns Island, Folly Beach, Kiawah Island, Seabrook Island, Edisto Beach, North Charleston, Summerville, Goose Creek, Hanahan, Ladson, Moncks Corner, Bluffton, Beaufort, and Isle of Palms. If you’re nearby but don’t see your community listed, give us a call—we’re always expanding our service area and would love to work with you!
Copyright The Window Source of the Lowcountry 2026 – All Rights Reserved | Sitemap