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A storm door made of wood with a glass panel in Knoxville, TN
Logo of Provia, The Professional Way
An entryway featuring glass windows on wood doors, showcasing energy-efficient door solutions in Knoxville, TN

Energy-Efficient, Durable, and Beautiful Doors for Your Home

Regarding high-quality, energy-efficient doors in Knoxville, TN, Keith Window is your trusted local partner. Since 1979, we've been helping Knoxville homeowners transform their spaces with expertly crafted doors designed for style, functionality, and durability. Whether you're looking for entry, storm, or patio doors, we’ve got everything you need to make a lasting first impression.
 

Upgrade your home’s exterior with doors that combine Energy Star-rated efficiency, customization options, and professional-grade materials. From front door replacements to sliding patio doors, Keith Window has the perfect solution for your style and needs.

 

Entry Doors

Make a strong first impression with our durable entry doors in Knoxville, TN. Crafted by ProVia and built with 20-gauge galvanized steel, our entry doors are as secure as they are stylish. This premium material provides superior strength and longevity, ensuring your door stands the test of time.

 

Our ProVia entry doors are Energy Star-rated, helping reduce energy costs while boosting your home’s value. With customizable options for size, color, glass, and hardware, you can create a front door replacement that reflects your personal style.

 

Benefits of ProVia Entry Doors:

  • Energy-efficient and environmentally friendly

  • Exceptional durability with reinforced steel

  • Lifetime limited transferable warranty

  • Save money on cooling and heating costs

  • Customization options to suit your home

 

Whether you’re replacing an old door or upgrading for efficiency, our entry door installation is designed to meet your needs.

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Storm Doors
Keith Window has been providing storm doors in Knoxville, TN since 1979. Our custom-built storm doors are designed for energy savings and enhanced curb appeal. With the largest selection of styles and colors in the market, you can choose a door that complements your entryway perfectly.

A quality storm door is more than just an aesthetic upgrade—it helps protect your entryway, improve insulation, and provide added security. With options from trusted brands like ProVia and Polaris, our storm doors combine style and functionality.
 

Why Choose Our Storm Doors?

  • Fully customizable for your home

  • Excellent insulation to reduce energy bills

  • Durable construction for long-term use

Patio Doors

Our patio doors in Knoxville, TN bring the outdoors closer with sleek designs and energy efficiency. Choose from swinging or sliding patio door styles, all crafted with high-quality materials like 20-gauge galvanized steel for superior durability.

Featuring Energy Star-rated construction, our ProVia sliding patio doors are designed to eliminate air and sound infiltration, ensuring a comfortable and quiet home. For added security, they include features like triple weatherstripping, reinforced lock areas, and heavy-duty extruded sills.

 

Key Features of Our Patio Doors:

  • Available in fiberglass, smooth steel, or textured steel

  • Triple weatherstripping for superior insulation

  • Reinforced galvanized steel panels for long-term strength

  • Easy-to-use patented sliding system

 

Upgrade your outdoor space with doors that blend beauty with performance.

Why Choose Keith Window for Your Door Needs?

Keith Window stands out for our commitment to excellence. Here's what makes us different:

  • Expertise Since 1979: Over four decades of experience in installing and manufacturing doors for Knoxville, TN homeowners.

  • Energy Star-Rated ProVia Doors: Improve your home’s energy efficiency while reducing heating and cooling costs.

  • 20-Gauge Galvanized Steel: Our professional-grade doors offer 49% more steel than consumer-grade options for unmatched durability.

  • Custom Storm Doors: Designed and manufactured to fit your unique preferences and needs.

  • Comprehensive Services: From entry door installation to storm door replacement, we handle it all.

  • Local Expertise: We understand the specific preferences and needs of Knoxville residents.

 

For high-quality doors in Knoxville, TN, trust the experts at Keith Window to deliver energy-efficient, expert solutions.

Experience the Keith Window Difference

From exterior doors to custom-built storm doors, Keith Window brings energy-efficient, durable, and expertly crafted solutions to your doorstep. Knoxville homeowners trust us because we go beyond just selling doors—we offer tailored solutions that align with your home’s style, functionality, and energy efficiency goals.

 

Enhance your home with doors designed to last. Explore our options for front door replacement, storm doors, or patio doors in Knoxville, TN, today.

Start Your Project Today

Your search for the best door companies in Knoxville, TN ends here. If you’re ready to upgrade your home with premium energy-efficient doors, Keith Window is here to help. Contact us to get started with your entry door installation, or schedule a consultation to learn more about our services.

 

Learn About Energy Star-Rated Doors

 

Transform your home with Keith Window—your trusted source for doors in Knoxville, TN!

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