Serving Greater Indianapolis

Contact our Indianapolis location for your next sunroom, window or door project or simply fill out our online form to schedule your free in-home design consultation. A design consultant will provide you with ideas, help make recommendations and quote you an accurate price for your specific project. We proudly serve a 75-mile radius of Indianapolis including Anderson, Bloomington, Kokomo, Columbus, Muncie and Lafayette.

Great Day Improvements
10080 East 121st Street, Suite #139
Fishers, IN 46037

Contact Information
Local: 317-813-5659
Toll free: 800-230-8301

For Service or Warranty
Call: 317-579-2255

License Information
IN# GL110049

Hours of Operation


7 AM - 4 PM
7 AM - 4 PM
7 AM - 4 PM
7 AM - 4 PM
7 AM - 4 PM
By appointment only
By appointment only

Indianapolis Great Day Improvements Manager

Managed by
Justin Hennessey

Payment Options
  • Visa
  • MasterCard
  • Amex
  • Discover
  • Cash
  • Check
  • Financing Available

Greater Indianapolis Location Overview
Great Day Improvements offers custom manufactured windows, patio doors, and sunrooms. The Indianapolis location has been at its location in Fishers, IN since 1990. Its employees have a combined industry experience in excess of 100 years.

We offer a complete line of quality home improvement solutions for your home, patio and backyard. Let one of our experienced design consultants help you with your next improvement project. Our in-home estimate is free and there is no obligation.

Certifications & Associations
  • Qualified Remodeler’s Top 500 of 2021 (#11)
  • Remodeling 550 of 2020 (#10)
  • Qualified Remodeler’s Top 500 of 2020 (#18)
  • HIP 200 of 2020 (#16)
  • Remodeling 550 of 2019 (#14)
  • Qualified Remodeler’s Top 500 of 2019 (#21)
  • HIP 200 of 2019 (#18)
  • EPA Lead-Safe Certified Firm
  • Licensed, Bonded, Insured

Products & Services

Great Day Improvements is proud to manufacture great brands like Patio Enclosures sunrooms, screen rooms and solariums as well as Stanek Windows.

But we're so much more than just a manufacturer. We custom design, make and install our products to improve not only your home, but your life as well. Trust Great Day Improvements for your next window, door or enclosure project.

Patio Enclosures
Patio EnclosuresExpand your living space with one of the products in the Patio Enclosures line. Protect yourself from the elements while taking full advantage of the outdoor views.

Stanek Windows
Stanek WindowsIncrease the energy efficiency of your home and reduce energy bills with the highest quality replacement windows and doors.

Backyard Solutions
Backyard SolutionsImprove and expand your outdoor space. Add shade, beauty and practical solutions that enhance the beauty of your backyard.

Specials & Financing

Great Day Improvements is dedicated to providing our customers with affordable products and services. Our offers and specials vary throughout the year, so be sure to check back often!

Local Project Photos

A photograph is worth a thousand words! Check out some of our local projects in your area. Or view hundreds of gorgeous photos from our main photo gallery.

Indianapolis bathroom remodeling Indianapolis hardscapes

View Photo GalleryBook your FREE, No-Obligation, In-Home Consultation - Schedule Now