Replacement Windows in Knoxville, TN
When it’s time for replacement windows in Knoxville, most homeowners expect two things: pushy sales tactics and surprise costs. At Zen Windows, we’ve removed both. Whether you’re replacing a few drafty windows or upgrading your entire home, we make the process clear, pressure-free, and built around your schedule. It’s window replacement, redefined.
Replacement Windows in Knoxville, TN
When it’s time for replacement windows in Knoxville, most homeowners expect two things: pushy sales tactics and surprise costs. At Zen Windows, we’ve removed both. Whether you’re replacing a few drafty windows or upgrading your entire home, we make the process clear, pressure-free, and built around your schedule. It’s window replacement, redefined.
Stress-Free Window Replacement in Knoxville
What Makes Zen Windows Different
We’re not a typical Knoxville window company. Instead of sending someone to your home with a clipboard and a sales quota, we handle everything remotely. That means you can get a fast, accurate quote without anyone setting foot in your home.
Once you decide to move forward, the experience only gets easier. You’ll work directly with the owner, not a sales rep or middleman. And our pricing is always upfront and transparent, with no “limited time” gimmicks or hidden fees.
Trusted by Knoxville Homeowners
We’re proud to serve the Knoxville community, from downtown to the foothills. Local customers consistently leave us 5-star reviews, and not just for the highest quality windows. It’s the way we handle every project like it’s for our own home.


Our Window Replacement Process
Quick Quotes, No Home Visit Needed
Forget the two-hour appointment, all we need to give you a quote is a few basic details about your windows. You can text, email, or call us. We’ll review your info and send you a clear, custom quote that doesn’t change later.
Installation Without the Headaches
When it’s time for window installation, we send a crew of experienced subcontractors we’ve worked with for years. They’ll show up on time, treat your home with care, and leave no mess behind. Most projects are completed in a day or two, depending on size.
Lifetime Warranty for Peace of Mind
Every window we install comes with a Double Limited Lifetime Warranty. That’s coverage on materials, workmanship, and even glass breakage, because life happens, and you shouldn’t have to worry about it years down the road.
Types of Replacement Windows We Offer in Knoxville
Energy-Efficient Windows Built for Tennessee Weather
Knoxville’s summers get hot and humid. And its winters are colder than you think. That’s why we offer energy-efficient replacement windows with Low-E glass and double or triple-pane options. Better insulation means less heat transfer, more comfort, and lower utility bills all year.
Popular Styles for Knoxville Homes
No two homes are the same. That’s why we carry a full range of window styles, all customizable to match your home’s look:
- Double-hung: Classic, clean, and versatile
- Casement: Great airflow and tight seals
- Sliding: Simple to use, ideal for wider openings
- Picture windows: Uninterrupted views and natural light
- Bay and bow: Add dimension and curb appeal
Whether you live in a craftsman near Old North Knoxville or a ranch home in Cedar Bluff, we’ll help you find the right fit.


How Much Do Replacement Windows Cost in Knoxville?
Factors That Affect Your Quote
Window replacement costs can vary, but the biggest factors include:
- The number of windows you’re replacing
- Window size and shape
- Your chosen material and glass options
- Whether existing frames need repair or replacement
You don’t have to guess. We’ll walk you through every decision and send you a custom quote that actually reflects your home, not someone else’s.
Get a Ballpark Price Today
Most Knoxville homeowners who contact us get their full window installation quote within 24 hours. There’s no fee, no commitment, and definitely no in-home appointment required.
Frequently Asked Questions
Can I really get a quote without someone coming to my house?
Yes! You send us a few window details, and we handle the rest. It’s fast, easy, and doesn’t involve any uncomfortable sales pitch.
Do I need a permit for window replacement in Knoxville?
Not usually. For one-for-one window swaps, permits aren’t required. If major structural changes are needed, we’ll guide you through it.
What if I have wood rot or custom window sizes?
No problem. Just let us know early, and we’ll adjust your quote accordingly. Our installers are experienced with all types of repairs and custom fits.
Is financing available?
Yes. We offer flexible payment options to help you manage your investment without stress.


Ready for New Windows in Knoxville?
If you’re searching for replacement windows and want a process that’s fast, fair, and completely hassle-free, Zen Windows Nashville is the answer. Request a free quote online, or call us today at (615) 424-8102.