New doors, hung right and sealed for the weather
A new door only works as well as its install. Hung even a little off, a door sticks, drafts, or will not latch right.
TN Window Works installs entry, patio, sliding glass, and French doors across Knoxville and East Tennessee. We hang each door level and plumb, seal it, and make sure it opens smooth and locks tight.
- Doors hung level, plumb, and square
- Tight weather seals
- Smooth operation and solid locks
- Clean job site
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Doors we install
We install every kind of exterior door for new builds, additions, and remodels.
Entry doors
Steel, fiberglass, or wood front doors that boost curb appeal and lock up tight.
Patio doors
Let in light and open to your deck or yard. Built to seal and glide.
Sliding glass doors
Smooth-rolling doors that save space and frame the view.
French doors
A classic look that opens wide and adds style to any room.
Storm doors
Add a layer against weather and let in a breeze when you want it.
Secure & efficient
Quality locks and tight seals for safety and lower bills.
How door installation works
We measure the opening, order the right door, and hang and seal it so it works for years. You get a clear timeline up front.

What to expect
1. Free estimate and measure
We measure the opening, review your plans, and give you a written price.
2. Order your door
We order the door, glass, and hardware that fit your project and schedule the work.
3. Hang and seal
We set the door level and plumb, then seal it against air and water.
4. Walk-through
We test the door with you and make sure it opens, closes, seals, and locks right.
Why East Tennessee homeowners choose TN Window Works
Local team
We live and work in East Tennessee. When you call, you reach people who know our homes and weather.
Lower energy bills
Tight, energy-rated products help with hot summers and cold, damp winters.
Honest pricing
You get a clear written quote up front. No pressure and no surprise add-ons.
Done right
We show up on time, protect your home, clean up, and finish the job the first time.
What our customers say
“They replaced every window in our house and it feels like a different home. Quiet, warm, and our power bill dropped.”
“Fair price, on time, and they cleaned up everything. Our new front door looks fantastic.”
“Honest, easy to work with, and no pressure. The new windows look great and seal tight.”
Door installation questions
Do you install doors in new construction?
Yes. We install doors for new builds, additions, and remodels.
What doors can you install?
Entry, patio, sliding glass, French, and storm doors in many styles and materials.
How long does it take?
Most single doors are done in a day. We give you a clear timeline up front.
Will the door seal against drafts?
Yes. We set proper weatherstripping and a solid threshold so the door seals tight.
Do you offer free estimates?
Yes, every estimate is free.
Building or remodeling?
Get a free estimate on door installation from a local team that gets the fit and seal right.
