We proudly serve Harrisburg, PA including Adams, Berks, Cumberland, Dauphin, Franklin, Juniata, Lancaster, Lebanon, Northumberland, Mifflin, Snyder, Union and York County as well as parts of Fulton, Huntingdon, Schuylkill and Columbia County. Contact us for your next home improvement project or simply fill out our online form to schedule your free in-home estimate.
Great Day Improvements
8176 Presidents Drive STE H
Hummelstown, PA 17036
Toll free: 800-230-8301
Hours of Operation
By appointment only!
Harrisburg Location Overview
Our knowledgeable staff has over 100 years of combined experience in sunroom design, manufacturing and installation – providing superior service to Pennsylvania residents. Owned and operated by Cleveland-based Great Day Improvements, LLC, we're proud to bring quality, custom-designed and custom-manufactured Patio Enclosures® brand sunrooms and Stanek Windows® to your home. If you’re ready to take the next step towards the porch, patio or deck enclosure you’ve been thinking about, give us a call to schedule your free, no-obligation in-home appointment.
Certifications & Associations
- Remodeling 550 (#17)
- Qualified Remodeler’s Top 500 of 2017 (#24)
- HIP 200 of 2017 (#21)
- Qualified Remodeler's Top 500 of 2016 (#21)
- HIP 200 of 2016 (#18)
- Qualified Remodeler's Top 500 of 2015 (#22)
- HIP 200 of 2015 (#19)
- EPA Lead-Safe Certified Firm
- Licensed, Bonded, Insured
Products & Services
Great Day Improvements is proud to exclusively manufacture great brands like Patio Enclosures sunrooms, screen rooms and solariums as well as Stanek Windows and patio doors.
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.
Expand 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.
Increase the energy efficiency of your home and reduce energy bills with the highest quality replacement windows and doors.
Improve 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.