The Home Improvement Sale Is Here

Save big on every window, premium siding, and ProVia doors with Tri-Cities' most trustedhome improvement team. Quality installations backed by Certified Master Installers.

Transform Your Home and Save with Our Biggest Sale of the Season

The Window Source of the Tri-Cities is making it easier than ever for local homeowners to upgrade with our exclusive Home Improvement Sale. Whether you're ready to replace a single window or transform your entire home's exterior, now is the time to invest in comfort, beauty, and long-term savings.

Our Certified Master Installers are ready to deliver the quality craftsmanship Johnson City, Kingsport, and Bristol homeowners have trusted for years—all at exceptional savings you won't find anywhere else.

Exclusive Home Improvement Sale Savings

$50 OFF Every Window Purchased

The more windows you replace, the more you save. Whether you need one window or twenty, you'll enjoy $50 off each energy-efficient replacement window that reduces drafts and lowers your utility bills.

$150 OFF Per Square of Premium Siding

Protect and beautify your home with durable composite or vinyl siding designed to withstand Tri-Cities weather. Save $150 per square on the premium siding that will keep your home looking stunning for decades.

$100 OFF ProVia Doors

Make a grand entrance with industry-leading ProVia entry and patio doors. Enjoy $100 off these premium doors that combine security, energy efficiency, and timeless style.

Custom windows on the a manicured home

Why The Window Source of the Tri-Cities

Local Expertise You Can Trust

As your Tri-Cities neighbors serving Johnson City, Kingsport, and Bristol, we understand our region's unique climate challenges and deliver solutions built for long-lasting performance.

Certified Master Installers

Experience matters. Our team brings decades of combined expertise to every installation, ensuring your windows, siding, and doors perform flawlessly from day one.

Premium Products, Proven Results

We only install products that meet the highest standards for durability and energy efficiency—including top-rated ProVia doors and Energy Star certified windows.

Lifetime Guarantee

Your investment is protected with our comprehensive lifetime guarantee, so you can enjoy total peace of mind knowing your upgrades are built to last.

Easy Financing Available

Take advantage of flexible financing options that make it easy to start your home improvement project today.

Featured Products

Energy-Efficient Replacement Windows

Choose from double-hung, sliding, casement, bay, bow, garden, and custom shapes. Every window is engineered to reduce energy costs while enhancing your home's beauty and comfort.

Premium Composite & Vinyl Siding

Low-maintenance, weather-resistant siding available in multiple colors and styles. Protect your home's structure while boosting curb appeal with siding that lasts for decades.

ProVia Entry
& Patio Doors

Industry-leading doors that deliver superior security, energy efficiency, and stunningaesthetics. From elegant entry doors to smooth-operating patio doors, ProVia sets the standard for quality.

How It Works

1. Free Consultation

Schedule your complimentary in-home consultation. We'll assess your needs, discuss your style preferences, and provide a detailed estimate showing your Home Improvement Sale savings.

2. Professional Installation

Our Certified Master Installers treat your home like their own—from careful preparation to meticulous cleanup. We deliver a smooth, worry-free experience that exceeds your expectations.

3. Enjoy & Save

Start enjoying lower energy bills, increased comfort, and a home that reflects your style—all while knowing your investment is protected by our lifetime guarantee.

Sale Details & Benefits:

  • $50 off every replacement window
  • $150 off per square of premium siding
  • $100 off every ProVia door
  • Free in-home consultation and estimate
  • Flexible financing options available
  • Lifetime guarantee on installation
  • Energy Star certified products
  • Certified Master Installers

Don't miss these exceptional savings. This Home Improvement Sale is for a limited time only.

[ Reviews ]

What Our Tri-Cities Neighbors Say

Cory H.
One of the best home improvement projects I've had done. Communicative, On time, Professional, Polite, Cleanly, Attentive.
Karen G.
The entire team from The Window Source of Tri Cities was amazing to work with. From start to finish communication, pricing, product & installation processes were explained thoroughly.
Heidi R.
Dan & Blake finished the installation faster than scheduled & made sure everything was clean & tidy at the end of the day. What a great team!
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!

Ready to Save on Your Home Improvement Project?

Take advantage of our Home Improvement Sale and transform your Tri-Cities home with quality windows, premium siding, and ProVia doors installed by experts you can trust.The more you upgrade, the more you save.

Enter your information below to Schedule Your FREE Consultation!

Serving: Johnson City | Kingsport | Bristol | Elizabethton | Jonesborough | Greeneville | and surrounding areas