
We’re your home renovation partner, for life
Great Day Improvements is the company behind trusted home improvement brands like Champion, Leafguard, Patio Enclosures, and more. Together, we offer specialized expertise in windows, gutters, sunrooms, and other home improvement solutions—all backed by one accountable team.
122,000+
5-star reviews
High quality products
Made in USA
Best in class
Lifetime Warranties
A Simplified Home Improvement Process
Fill Out a Quick Form
Answer a few questions about the work you want completed—it only takes 2 minutes!
We’ll Schedule a Visit
One of our design experts will stop by for a free, no obligation, in-home consultation.
Get Your Free Quote
We’ll evaluate the project area and walk through your options to provide you with a detailed project quote.
Get StartedProfessional Home Remodeling & Renovation Services
Refresh your home with professionally installed energy-efficient replacement windows that are custom-fit to add long-term value to your home.
Enjoy more relaxing and entertaining in your outdoor living space with our custom patio enclosures that blend style, functionality, privacy, and durability.
Protect your home against the elements, elevate its exterior, and increase its energy efficiency with our reliable, weather-tested materials.
Our gutter systems are unlike any other—providing superior design and performance to eliminate clogs and protect your home from water damage.
Our trusted team of pros can install custom entry, sliding, patio, storm, and screen doors designed for security, energy efficiency, and personalization.
A Simplified Home Improvement Process
Fill Out a Quick Form
Answer a few questions about the work you want completed—it only takes 2 minutes!
We’ll Schedule a Visit
One of our design experts will stop by for a free, no obligation, in-home consultation.
Get Your Free Quote
We’ll evaluate the project area and walk through your options to provide you with a detailed project quote.
Get StartedOur Team of Specialized Experts
We’re a team of united brands doing things differently: we’re designing the renovation process around the homeowner. You’re not just hiring a contractor—you’re getting a specialized team of local experts backed by Great Day’s start-to-finish process.
Explore Your Options, Risk Free
Have questions? Still deciding who to work with? No problem. You can schedule a free, no obligation, in-home consultation. Our team will walk you through all your options and provide you with a detailed project quote so you can choose your remodeler with confidence.

A Better Remodeling Experience with Great Day

Accountability
We stand by what we do because we own every step—no handoffs and no wasted time. High quality comes standard with our skilled employees carefully handcrafting our products in the USA.

Expertise
Our specialized experts live where you live and understand local factors that affect your home. We design and manufacture what we install to ensure a perfect fit every time.

Value
Your next project is possible with a variety of plan options to fit your budget. We build and install our products to last—for you and the next homeowner.
Get Started with Great Day

Homeowners Love Working with Great Day
The windows and doors were installed. Very poor work. Put wrong hardware on doors, screen came in damaged, have been trying months to get it replaced, doors were finally replaced, was lied to about 1 window, have been fighting to get that replace, after installer put screws in windows, voiding the warranty, trim was damaged, drywall was cut and not repaired, screws are missing from storm door, screws on window lock isn’t screwed in, and just hanging, Champion is refusing to fix, after $46,000, it was the worst mistake I have ever made. After all is said and done, they disappear when you have problems, dont want to fix, and offer to take pennies on the dollar as a reasonable resolution. My advice, DO NOT choose Champion to do the work. Wished I could give them negative stars
John got here on time and helped with all our important issues to enable us to make the purchase of all 3 of our exterior doors.
Trevor Hatch did great at explaining the benefits of new windows and why Champion windows were the best option. Very reasonable pricing
Mike was an absolute please to work with. Very upfront and honest. Answered all out questions. Not a high pressure sale. Definitely recommend!
Cliff did an amazing job explaining the different options! Very nice and no pressure sales!! Can’t wait for the new windows!
We chose this window company largely because of Trevor! He was great to work with, knew his stuff, and answered all our questions. His knowledge and friendly personality made the decision easy. Thanks, Trevor!
I chose champion strictly on thier salesperson communication and knowledge. It’s refreshing to be sold something on value vs pressure. If you’re looking for the cheapest option look elsewhere. They are not going to give you big box store prices but they will give you top notch service and the best warranty that can be offered. If it wasn’t for the amazing customer service and the wealth of knowledge from Trevor our sales guy i would of probably made this mistake of going with home depot or lowes. He thoroughly explained why they aren’t the cheap option and it just makes sense. I strongly recommend calling directly and requesting Trevor. You will not be disappointed.
We are overall very pleased with everyone who was involved with this windows process. Between the guy who quoted us our price (Andrew), the operations manager (Katie), the customer experience rep. (Myles), the installer (Jesse)…it couldn’t have gone any smoother. We would definitely recommend!!!
Trevor made the process easier than anticipated. Knowledgeable and friendly, love the windows, thank you!
Trevor at Champion Windows in Chattanooga went above and beyond to make the experience a positive one! He was courteous, professional, and took the time to make sure everything was explained thoroughly. His friendly attitude and attention to detail really stood out. It’s nice to work with someone who makes you feel valued as a customer. Definitely a great experience!
If you’re considering Champion Windows in Chattanooga, Trevor is great to work with! He was courteous, informative, and attentive to the details. I appreciated how he took the time to walk me through the process and make sure I understood everything. A great experience and excellent service!
Trevor was a pleasure to work with at Champion Windows in Chattanooga! He was personable, helpful, and very professional. He made me feel comfortable asking questions and never made the experience feel overwhelming. Excellent customer service and a great impression overall.
Homeowners Love Working with Great Day
The windows and doors were installed. Very poor work. Put wrong hardware on doors, screen came in damaged, have been trying months to get it replaced, doors were finally replaced, was lied to about 1 window, have been fighting to get that replace, after installer put screws in windows, voiding the warranty, trim was damaged, drywall was cut and not repaired, screws are missing from storm door, screws on window lock isn’t screwed in, and just hanging, Champion is refusing to fix, after $46,000, it was the worst mistake I have ever made. After all is said and done, they disappear when you have problems, dont want to fix, and offer to take pennies on the dollar as a reasonable resolution. My advice, DO NOT choose Champion to do the work. Wished I could give them negative stars
John got here on time and helped with all our important issues to enable us to make the purchase of all 3 of our exterior doors.
Trevor Hatch did great at explaining the benefits of new windows and why Champion windows were the best option. Very reasonable pricing
Mike was an absolute please to work with. Very upfront and honest. Answered all out questions. Not a high pressure sale. Definitely recommend!
Cliff did an amazing job explaining the different options! Very nice and no pressure sales!! Can’t wait for the new windows!
We chose this window company largely because of Trevor! He was great to work with, knew his stuff, and answered all our questions. His knowledge and friendly personality made the decision easy. Thanks, Trevor!
I chose champion strictly on thier salesperson communication and knowledge. It’s refreshing to be sold something on value vs pressure. If you’re looking for the cheapest option look elsewhere. They are not going to give you big box store prices but they will give you top notch service and the best warranty that can be offered. If it wasn’t for the amazing customer service and the wealth of knowledge from Trevor our sales guy i would of probably made this mistake of going with home depot or lowes. He thoroughly explained why they aren’t the cheap option and it just makes sense. I strongly recommend calling directly and requesting Trevor. You will not be disappointed.
We are overall very pleased with everyone who was involved with this windows process. Between the guy who quoted us our price (Andrew), the operations manager (Katie), the customer experience rep. (Myles), the installer (Jesse)…it couldn’t have gone any smoother. We would definitely recommend!!!
Trevor made the process easier than anticipated. Knowledgeable and friendly, love the windows, thank you!
Trevor at Champion Windows in Chattanooga went above and beyond to make the experience a positive one! He was courteous, professional, and took the time to make sure everything was explained thoroughly. His friendly attitude and attention to detail really stood out. It’s nice to work with someone who makes you feel valued as a customer. Definitely a great experience!
If you’re considering Champion Windows in Chattanooga, Trevor is great to work with! He was courteous, informative, and attentive to the details. I appreciated how he took the time to walk me through the process and make sure I understood everything. A great experience and excellent service!
Trevor was a pleasure to work with at Champion Windows in Chattanooga! He was personable, helpful, and very professional. He made me feel comfortable asking questions and never made the experience feel overwhelming. Excellent customer service and a great impression overall.
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