Window Installation · Knoxville, TN/Updated June 13, 2026
The 8 Best Window Installation Companies in Knoxville, TN
Choosing the right window installation company in Knoxville means balancing trust and cost. Here’s how to find the best fit for your project.
MHMaya Hendricks · Home Services Editor Updated June 13, 2026 · Next review July 2026
Editorially independent8 companies evaluated
cover story
★ Editor's ChoiceWindow Works
96Score
Latest update · June 13, 2026: Initial ranking published. 8 Knoxville-metro window installation businesses evaluated, top 8 ranked by Vetted Score.
Installing new windows can significantly enhance your home’s energy efficiency and curb appeal, making it a key investment for Knoxville homeowners. With eight companies evaluated in the area, the choices range from budget options to highly-rated providers with proven track records.
Our rankings reflect real customer experiences, with an emphasis on both the number of reviews and the overall ratings. Each business was assessed on its reputation in the community, ensuring that the listed providers are reliable and well-reviewed.
8window installation companies evaluated in Knoxville
4.85average rating across the field
1.8Kcustomer reviews analyzed
Cityvetted analysis of public Google review data, updated June 13, 2026.
How we evaluated all 8 window installation companies.
We analyzed eight window installation companies in Knoxville, TN, focusing on their customer ratings and the volume of reviews. This approach highlights the most trusted businesses while considering the feedback from those who've utilized their services.
No company paid for placement in our rankings, and we refresh our evaluations monthly to maintain the integrity of the information provided. This ensures you receive the latest insights into the best local options for window installation.
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.
Window Works holds an impressive rating of 4.9 stars from 471 reviews. Customers frequently commend their punctuality and attention to detail during installations. They excel in providing high-quality window solutions for residential properties. However, their premium service may come at a higher price point compared to some competitors. 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 homeowners looking for premium window installations. It serves Knoxville and surrounding areas, with $200 to $600 per window pricing, and the honest trade-offs are higher pricing and limited product range.
Pros
High-quality materials
Experienced staff
Excellent customer service
Cons
Higher pricing
Limited product range
Best forHomeowners looking for premium window installations
Magnolia Window & Door Company also boasts a 4.9-star rating, backed by 296 reviews. Customers appreciate their competitive pricing and quality craftsmanship. They are particularly well-suited for budget-conscious homeowners seeking reliable window installations. On the downside, some customers have noted longer wait times for installation appointments. 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 budget-conscious homeowners. It serves Knoxville and nearby regions, with $150 to $500 per window pricing, and the honest trade-offs are longer wait times and limited availability of certain styles.
Performance Windows Knoxville has a strong rating of 4.9 stars with 140 reviews. Customers often highlight their efficient service and knowledgeable staff. This company is ideal for those who prioritize quick installations without sacrificing quality. A notable drawback is their smaller review base compared to the top two competitors, which may raise questions about consistency.
Pros
Efficient service
Knowledgeable staff
Good quality windows
Cons
Smaller review base
Fewer product options
Best forHomeowners needing quick and efficient installations
Keith Window Company has a solid rating of 4.8 stars from 249 reviews. Many customers appreciate their customized solutions and friendly service. They are particularly good for clients looking for tailored window options. However, their pricing can be on the higher side, which may not suit every budget. 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 clients seeking custom window solutions. It serves Knoxville and surrounding areas, with $250 to $600 per window pricing, and the honest trade-offs are higher pricing and limited stock for some styles.
Window Depot Knoxville holds a 4.9-star rating, though with only 45 reviews. Customers often mention the affordability and decent quality of their windows. This company is a suitable option for those looking for budget-friendly installations. However, the limited review count raises concerns about their overall reliability. 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 homeowners on a tight budget. It serves Knoxville and surrounding areas, with $100 to $400 per window pricing, and the honest trade-offs are limited reviews and inconsistent service quality.
Window World of Knoxville has a 4.6-star rating from 510 reviews. Customers appreciate their wide range of window styles and competitive pricing. They are ideal for homeowners wanting variety in options. However, some reviews point to issues with customer service responsiveness, which could be a concern for some 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 homeowners wanting a wide selection of window styles. It serves Knoxville and nearby areas, with $150 to $500 per window pricing, and the honest trade-offs are customer service issues and longer installation times.
Pros
Wide variety of styles
Competitive pricing
Established reputation
Cons
Customer service issues
Longer installation times
Best forHomeowners wanting a wide selection of window styles
Ollin Home Solutions - Knoxville has a 4.9-star rating based on just 33 reviews. Customers appreciate their personalized service and attention to detail. They are well-suited for homeowners looking for a boutique experience. However, the limited number of reviews makes it hard to assess their overall performance reliably. 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 homeowners seeking personalized service. It serves Knoxville area, with $200 to $600 per window pricing, and the honest trade-offs are limited reviews and higher pricing.
Knoxville Window and Door has a 4.9-star rating with 32 reviews. Customers highlight their friendly staff and efficient service. They are a good choice for those looking for quick installations. However, with such a small review base, potential customers might feel uncertain about their long-term reliability. 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 homeowners needing fast service. It serves Knoxville and nearby areas, with $180 to $500 per window pricing, and the honest trade-offs are very limited reviews and potential inconsistencies.
How to choose a window installation company in Knoxville
When selecting a window installation company, it's essential to weigh both price and reputation. Here are key factors to consider:
Review Ratings
Prioritize companies with high ratings and a significant number of reviews. A business like Window Works, with 471 reviews at 4.9 stars, reflects consistent customer satisfaction.
Service Offerings
Look for companies that provide a variety of window types and installation services. This flexibility can meet different needs and budgets.
Warranty and Support
Check what warranties are offered. A solid warranty can protect your investment and indicate the company’s confidence in their work.
What it costs
What window installation costs in Knoxville
Pricing for window installation in Knoxville can vary widely based on the type of windows and the complexity of the installation. Here are typical price ranges:
Basic Vinyl Windows$200 to $400 per window, a cost-effective option for budget-conscious homeowners.
Mid-Range Windows$400 to $800 per window, offering better energy efficiency and aesthetics.
High-End Windows$800 to $1,500 per window, featuring premium materials and advanced energy-saving technology.
Custom Windows$1,500 and up per window, tailored to specific architectural needs and design preferences.
Frequently asked questions
How much does window installation cost in Knoxville?
Window installation costs in Knoxville typically range from $300 to $1,000 per window, depending on the type and size.
Which window installation company is the best value in Knoxville?
For best value, consider <strong>Performance Windows Knoxville</strong>, which offers a strong rating of 4.9 on 140 reviews.
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 homes: <strong>Window Works</strong>
For the best overall experience, choose Window Works, known for its high rating and substantial review base. If you're looking for great value, Performance Windows Knoxville is the way to go. For those willing to splurge, Magnolia Window & Door Company offers premium service backed by numerous positive reviews.