Window Installation · Knoxville, TN/Updated June 13, 2026
The Best Window Installation Companies in Knoxville, TN
Transform your home with the best window installation services in Knoxville, offering quality and reliability.
MHMaya Hendricks · Home Services Editor Updated June 13, 2026 · Next review July 2026
Editorially independent9 companies evaluated
cover story
★ Editor's ChoiceWindow Works
96Score
Latest update · June 13, 2026: Initial ranking published. 9 Knoxville-metro window installation businesses evaluated, top 9 ranked by Vetted Score.
Choosing the right window installation company can significantly enhance your home's energy efficiency and aesthetic appeal. In Knoxville, where climate and architectural styles vary, having quality windows is essential for comfort and value.
We evaluated nine local companies based on customer reviews, satisfaction ratings, and service offerings. Each business is ranked by their Vetted Score, ensuring you get the best options available.
9window installation companies evaluated in Knoxville
4.78average rating across the field
3.9Kcustomer reviews analyzed
Cityvetted analysis of public Google review data, updated June 13, 2026.
How we evaluated all 9 window installation companies.
Our evaluation process involved analyzing customer feedback and ratings from various sources, focusing on real experiences. We do not accept payment for placement, ensuring our rankings are unbiased and transparent.
This list is updated monthly to reflect the latest reviews and service changes, so you can trust that you are getting current information about Knoxville's window installation companies.
The Vetted Score: six weighted factors
Customer sentiment25%
Rating quality20%
Review volume & velocity20%
Website trust signals15%
Service breadth10%
Business longevity10%
Sentiment is measured by AI analysis of review text, recency-weighted, with verified-pattern checks to discount suspicious review bursts.
With an impressive rating of 4.9 from 433 reviews, Window Works stands out for its exceptional customer service and attention to detail. Reviewers frequently commend their professionalism and quality of installations, making them ideal for homeowners seeking reliable window solutions. However, their high demand may lead to longer wait times for scheduling.
Pros
High customer satisfaction
Expert installation team
Wide range of window options
Cons
Potentially longer scheduling times
Limited availability during peak seasons
Best forHomeowners seeking top-tier service and quality
Magnolia Window & Door Company also boasts a stellar 4.9 rating from 290 reviews. Customers appreciate their competitive pricing and the quality of their products, making them a great choice for budget-conscious homeowners. They excel in providing a variety of styles and finishes. However, their smaller team may limit the number of projects they can take on simultaneously.
Renewal by Andersen of Knoxville has an impressive 4.8 rating with a staggering 1,913 reviews. Known for their energy-efficient window solutions, they are praised for their extensive warranty and professional installation services. Customers love the quality and durability of their products. However, their premium pricing may not fit every budget, so be prepared for a higher investment.
Pros
Extensive warranty options
Energy-efficient products
Highly rated installation team
Cons
Higher price point
Limited range of styles compared to competitors
Best forEnergy efficiency and long-term investment
Keith Window Company holds a solid rating of 4.8 from 204 reviews, recognized for their personalized service and quality installations. Customers appreciate the attention to detail and the craftsmanship involved in their work. While they are known for great service, their availability can be limited, particularly during peak seasons. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is custom installations and personal service. It serves Knoxville area, with $300 to $700 per window pricing, and the honest trade-offs are limited availability and fewer product options.
Performance Windows Knoxville has a commendable rating of 4.9 from 59 reviews. Customers highlight their quick response times and efficient installations, making them a reliable choice for urgent projects. However, the smaller number of reviews suggests they are still building their reputation in the market. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is urgent window installation needs. It serves Knoxville and nearby areas, with $250 to $600 per window pricing, and the honest trade-offs are limited review base and fewer options available.
Window World of Knoxville receives a solid 4.6 rating from 484 reviews. They are praised for their affordability and wide selection of windows. Customers appreciate the balance of quality and price, making them a popular choice. However, some reviews mention inconsistencies in installation quality, so be sure to communicate your expectations clearly.
Window Depot Knoxville has a promising rating of 4.9 from 38 reviews. Customers appreciate their straightforward pricing and knowledgeable staff. They are a good option for those seeking basic window installation services. However, their thin review base makes their overall reliability unproven. The sample is modest but steady, with reviewers describing the same strengths instead of one-off praise. Most of what reviewers hire it for is basic window installations. It serves Knoxville area, with $250 to $500 per window pricing, and the honest trade-offs are thin review base and limited product variety.
Ollin Home Solutions - Knoxville has a solid rating of 4.8 from 23 reviews. Customers praise their attentive service and commitment to quality. They focus on providing a personalized experience for each homeowner. However, their limited number of reviews indicates a need for further customer feedback. The review base is still thin, so we read the rating as promising rather than proven and weighted it accordingly. Most of what reviewers hire it for is personalized service and quality. It serves Knoxville and nearby areas, with $300 to $600 per window pricing, and the honest trade-offs are limited review base and fewer service offerings.
Champion Replacement Windows of Knoxville holds a rating of 4.4 from 406 reviews. They are recognized for their extensive product range and competitive pricing. While many customers appreciate the value, some report issues with customer service responsiveness, which could be a concern for potential clients. A review base that deep is hard to game, and the score barely moves across it, which is the clearest consistency signal we track. Most of what reviewers hire it for is variety and value. It serves Knoxville and surrounding areas, with $300 to $700 per window pricing, and the honest trade-offs are customer service responsiveness issues and mixed installation reviews.
How to choose a window installation company in Knoxville
Finding the right window installation company involves considering several key factors to ensure you receive quality service and products.
Check Reviews and Ratings
Look for companies with high ratings and a solid number of reviews to gauge reliability.
Evaluate Experience
Consider how long the company has been in business and their expertise in window installation.
Get Multiple Quotes
Obtain estimates from several companies to compare pricing and service offerings.
Ask About Warranties
Inquire about warranties on both the windows and the installation work for added peace of mind.
What it costs
What window installation costs in Knoxville
The cost of window installation in Knoxville can vary based on several factors, including the type of windows and the complexity of the installation.
Basic Vinyl Windows$300 to $600 per window, including installation.
Wood Windows$500 to $1,000 per window, depending on design and materials.
Energy-Efficient Windows$600 to $1,200 per window, which can save on energy bills.
Custom Windows$800 to $1,500 per window, tailored to your home's specifications.
Frequently asked questions
How much does window installation cost in Knoxville?
The cost typically ranges from $200 to $1,500 per window, depending on the type and complexity of the installation.
What should I look for in a window installation company?
Look for companies with good reviews, experience, and clear pricing. It's also beneficial to check their warranty options.
How often is this ranking updated?
We re-run the full analysis monthly with fresh review data. Last updated June 13, 2026.
Our verdict
For most Knoxville homeowners: Window Works
For those seeking the best in window installation, Window Works offers outstanding service and quality. Following closely are Magnolia Window & Door Company for best value and Renewal by Andersen of Knoxville for extensive options and energy efficiency.