Average cost to install replacement windows

Looking for average cost to install replacement windows in Knoxville, TN? Call ReplacementWindows Services for a contact a provider — no obligation. Licensed window pros serve Knoxville and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

What affects the price

Replacing windows is a custom project, so the final total depends on a few specific variables. The size and style of the frames you choose—like double-hung versus casement—will change the materials cost. We also look at the glass packages, such as double or triple-pane options, and any energy-efficient coatings that help with insulation. The number of windows being replaced and the current condition of your home’s exterior framing play a role in the labor needed. Exact pricing confirmed free on the call.

About this service

The investment for window installation includes the cost of the unit and the labor for a weather-tight fit. If your current windows are no longer energy-efficient or are causing structural damage, replacement is necessary. Exact pricing confirmed free on the call.

Frequently asked in Knoxville

What is the average cost of replacement windows in Knoxville?

What are the best replacement windows for the money in Knoxville?

The 'best' windows for the money in Knoxville often balance energy efficiency with durability. Consider how much sun your windows get on different sides of your home. We can discuss options that work well with Knoxville's climate.

What is the most affordable way to replace windows in Knoxville?

Is it worth replacing 30-year-old windows in Knoxville?

Absolutely. Windows from 30 years ago likely aren't meeting current energy efficiency standards. Replacing them can significantly lower your energy bills and improve your home's comfort, especially during hot Alabama summers and chilly winters. You'll notice the difference.

How much does it usually cost to replace a window in Knoxville?

The cost per window in Knoxville can range depending on its size and type. Factors like custom sizes or special features will influence the final price. Getting a quote specific to your home is the best way to know.

Who is Andersen Windows' biggest competitor in Knoxville?

While Andersen is a well-known brand, many other reputable manufacturers offer quality windows available in Knoxville. We work with pros who can install a variety of brands, focusing on what's best for your needs and budget. Let's discuss your preferences.

Also serving nearby: Asheville · Chattanooga · Murfreesboro · Roswell · Sandy Springs

All cities in Tennessee →

More on this: ENERGY STAR windows — efficiency ratings.

Service area details

198,162residents

2,007per sq mile

8ZIP codes served

Serving all of Knoxville — population 198,162; about 2,007 residents per square mile across 98.7 sq mi. ZIP codes covered include 37901, 37902, 37909, 37912, 37914, 37915, 37916, 37917.

Neighborhoods served in Knoxville: Downtown Knoxville, Fort Sanders, Bearden, West Knoxville, Old City — and every surrounding area.