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[ Trusted by the Tri-Cities area ]

Your Trusted Source For tri-city Windows, Doors, & Siding Replacement

5
Star Reviews
40
Years Of Experience
1,000+
Homes Served
Family
Owned & Operated
[ Our Replacement Services ]

Our Tri-Cities Home Services

We want the exterior of your home to be a beautiful reflection of your style and tastes. Whether you want to upgrade your home’s entrance with a beautiful wood door with a surround or you want to replace your aging sliding glass door to the deck, we have all your home replacement needs covered.

Windows

Upgrade your home with our energy-efficient windows, designed for beauty, durability, and savings.

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Siding

Protect your home with siding designed for strength, style, and long-term performance.

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Sliding Patio Doors

Upgrade your home with our sliding patio doors, crafted for effortless style, lasting durability, and energy efficiency.

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Entry Doors

Discover stylish, secure doors that enhance your home's curb appeal and provide lasting protection.

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Get a $600 Tax Credit For Replacement Windows in the Tri-Cities

The Window Source is your go-to provider of new and replacement windows in the Tri-Cities. From sliding glass doors to windows and siding, our expert team can help you choose the right option for your home and get them installed in Bristol, VA; Johnson City, TN; and Kingsport, TN.

About the Window Source of the Tri-Cities
[ Why choose us ]

Why People Choose The Window Source of the Tri-Cities

Personal Touch

At The Window Source of the Tri-Cities, we believe every home project deserves personal attention. Our team takes the time to understand your goals and deliver a hands-on, customer-focused experience, treating every home as if it were our own.

Experience

With decades of combined expertise, our team brings skill, professionalism, and reliability to every project. We walk you through the process step by step, so you feel confident and informed as your new windows, doors, or siding are carefully installed.

Quality

We only use products that meet the highest standards for durability and performance. Backed by precise installation, our solutions ensure lasting protection, keeping out wind, rain, and drafts while enhancing the comfort and beauty of your home.

[ how we work ]

Your Tri-Cities Neighbors in Home Replacement Services

At The Window Source of the Tri-Cities, we’re more than just contractors, we’re your neighbors. Proudly serving Johnson City, Kingsport, and Bristol, we’re here to help local families protect, enhance, and enjoy their homes with windows, doors, and siding built for life in our region.

step 1
Consultation

We start by listening. Our free, no-pressure consultation gives you the chance to share your needs and style preferences while we walk you through options that fit your home and your budget.

step 2
Installation

Our installation team treats every home like it’s their own. From careful prep to spotless cleanup, we deliver a smooth, worry-free process that ends with energy-efficient, long-lasting results.

step 3
Relax & Enjoy

With our lifetime guarantee, you’ll enjoy total peace of mind knowing your home upgrades are built to last, so you can focus on making memories inside your home instead of worrying about the outside.

[ Locally Trusted By The Tri-City Area ]

As Seen on TV

The Window Source of the Tri-Cities has been featured on local news stations, sharing expert insights on home improvement and highlighting our commitment to quality service and energy-efficient solutions. Watch some of our recent TV appearances below to see how we’re helping homeowners across Johnson City, Kingsport, and Bristol upgrade their homes with confidence.

contact us today
[ Reviews ]

HEAR FROM OUR TRI-CITY CLIENTS

Karin H.
We found The Window Source via a radio advertisement for a home show, and are thrilled that we did. They do actual window conversions in mobile homes so we no longer have old ugly windows with cheesy frames; instead they are now beautiful windows with real frames and sills. The Window Source gave us the best quote…
Randall F.
I recently had replacement windows and Alside Ascend siding put on my house by The Window Source and they look fantastic. The large arch window they installed is nothing short of stunning. Daniel and Blake Mullin, a father & son team, installed the windows. Their work ethics and craftsmanship are something you just don't see much of nowadays...
Cory H.
One of the best home improvement projects I've had done. Communicative, On time, Professional, Polite, Cleanly, Attentive.Answered all questions and informed me of proper use of windows and features. This is coming from a guy who has done similar service/home improvement work and I'd be ecstatic to know I'm getting Shawn and Trent...
Heidi R.
The Window Source did such a beautiful job! From scheduling the appointment with Julie, to meeting with David the salesman and Dan & Blake the installers, it was nothing but excellence & professionalism! Dan & Blake finished the installation faster than scheduled & made sure everything was clean & tidy at the end of the day. What a great team they...
Karen G.
The entire team from The Window Source of Tri Cities was amazing to work with. Gina & Sheila in the office, Justin Fender ( design consultant) , Joe & Justin ( installers)! From start to finish communication, pricing, product & installation processes were explained thoroughly. The windows are wonderful! I love the screens...
Louise N.
We had a great experience with The Window Source of the Tri-Cities. They replaced a double-hung window with a picture window and wrapped 7 windows altogether. Justin did a great job walking us through our options, and Gina was super-helpful setting up appointments and keeping us updated on our order. Sean and Trenton arrived...
Judy A.
We have window 2 times now & will use again next year! Our experience has been great especially with the men who install! They are genuinely good people, Does excellent work! Shawn has been here 2 times for install & this last time Trenton was here , also a great guy! Shawn pays attention to detail & doesn't rush through a project. Our salesman David has...
Stephen L.
Shawn and Trenton came out today and installed my storm door. They did an awesome job. They were very professional and got the job done in a timely manner. They cleaned up before they left and I couldn’t be happier. I would 100% recommend Shaw, Trenton and of course, The Window Source!

Andrea H.
Shawn & Trenton W. installed sliding glass doors on my balcony & I couldn't be more pleased with the outcome! They were a professional, courteous team that greeted me with smiles & even informed me of what to expect during the process. I am so happy with the install, the doors & thankful my sister chose The Window Source for this job!
[ OUR SERVICE AREA ]

Serving Southwest Virginia and Northeast Tennessee including the Tri-Cities

As homeowners, it can be difficult to find the right company for patio doors, double-hung windows, siding and more. The Window Source has been a trusted supplier around America. Our experts will help you pick the right option to meet your needs and ensure that your home improvements will make the neighbors stop to take a look.

We help homeowners with new and replacement windows, patio doors, siding, entry doors and more. We offer a variety of styles, colors and options to meet your needs.The best way to get the process started is through our free estimate. Let’s schedule a time for an in-home demonstration and free estimate.

One of our estimators will look at the proposed project and talk to you about your wants and needs. It’s important for us to meet your expectations and the first step to success is an estimate.

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Ready to take on your next home project?
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The Best Tri-Cities Window, Door, & Siding Company