Cost-Effective Exterior Home Improvement Solutions

If you’re looking for budget-friendly ways to improve your home's appearance and efficiency, turn to Thermax Windows. We specialize in windows, but we also offer siding, roofing, and doors. Our commitment is to provide customers in Sumner County, TN and surrounding areas with the highest quality products and services at the lowest possible cost.

What Sets Us Apart

Since we are a factory direct dealer, we can offer our products and services at the lowest possible price. On top of that, our windows come with a lifetime warranty that even covers glass breakage. We offer double-pane and triple-pane ENERGY STAR-rated windows that are available in various colors and styles, so our customers can find an option that suits their needs best.

About Us

Thermax Windows is a family-owned-and-operated business established by Mike Ryan. We have more than 40 years of experience in the home improvement industry.

Our windows are of the highest quality and backed by the best warranties. All our products are installed by qualified craftsmen who take pride in what they do. You can count on us to always be polite and courteous as well as to never use high-pressure sales tactics. We consider it an honor and a privilege to be able to assist you with your home remodeling project.

Memberships

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BBB A+ rating

Testimonials

Sharon Dortch

Goodlettsville, TN

“I want to say a big thank-you to Mike Ryan of Thermax Windows who helped me get a problem solved that I have been working on for 3 yrs. Every once in a while you come in contact with special people and Mike is definitely one. I would highly recommend him if you need any kind of window work he is the best!”

Jim Williams

White House, TN

“Thanks so much for the beautiful job you did on our windows Mike! They look awesome! We are really proud of the product and the installation. Folks…. if you want it done right and for a fair price call Thermax Windows!”

Bill Bleckley

Hendersonville, TN

“We love the new windows we purchased from Mike at Thermax Windows and we really appreciate the great job the installers did. They were very professional and courteous. They were very careful around our landscaping and took very good care of our home. Thanks for the great job Thermax. I highly recommend you to anyone looking for new windows.”

Service Areas

  • Sumner County, TN
    All of Middle and Southern Tennessee
    Now Serving Northern Florida, Panama City and Surrounding Areas

Hours of Operation

Monday to Friday: 9:00 AM – 6:00 PM
Saturday: 9:00 AM – 2:00 PM

Get in Touch With Us

Let’s help improve your residential property today! Call us today for your free in-home no-pressure quote.