Josh was great ! Very informative and friendly ! Great quality product as well ! Josh explained the entire process and made it very convenient !
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Great experience with Window Nation from start to finish. We did an entire house of 30+ windows so our initial meeting lasted quite a while. They were very thorough, but pricing came in high. Don’t le... See more
Company replied
Installers never had training with Window Nation, had only worked for them less than 2 years - not over 20 years, were not US citizens - on green card, initial order incorrect, no paperwork on transfe... See more
Company replied
We had an excellent installation crew at our home to install 18 windows. Sergio Vega Cruz and his crew did a excellent job of removing old windows and installing new (much better than original). The... See more
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Company details
Why Window Nation is the best choice
Written by the company
- Energy Efficiency
- Tired of high utility bills? Replacing your old windows with our energy-efficient ones could lower your utility bills month after month. Our windows are made with top-quality insulated frames and seals, so you’ll get windows other companies can’t match. You’ll start saving money every month year-round.
- Expert Installation
- New windows are useless without proper installation. When you choose Window Nation, your new windows are expertly installed for a perfect fit and years of worry-free protection – and installed in 1 day. Our teams are local, so they understand what it takes to ensure your windows can handle the weather in your area.
- Styles and Colors
- Available styles and colors Whether you have standard-looking windows or a full-custom home, we can replace them. Each of our windows is expertly measured and custom-made for your home – even odd sizes. With over 1,500 styles and colors to choose, you’ll get the windows you want – even if you have an HOA or historic district.
- Lifetime Warranty
- Your current windows haven’t lasted – how can you be sure new ones will? At Window Nation, we stand behind our windows and doors with a lifetime warranty. That’s because we know we sell the best windows you can buy – and we’re confident they’ll perform and protect your home for decades.
Our Mission
Solve problems by installing solutions.
At Window Nation, we help homeowners reimagine their spaces with premium, energy-efficient windows built for beauty, comfort, and long-term performance. With over one million windows installed and more than 30 markets served nationwide, we’ve earned a reputation for expert craftsmanship and customer-first service. Our story began with a simple goal: to offer homeowners high-quality window solutions tailored to their unique needs. Today, that mission still drives us. We offer one of the largest selections of styles, colors, and materials, all customizable to fit your vision and your budget. Our Exterior Design Consultants work closely with every customer, ensuring a seamless experience from consultation to installation. Backed by industry-leading warranties and thousands of five-star reviews, Window Nation is proud to be a trusted partner for home improvement. We’re also committed to giving back, supporting the communities we serve through local partnerships and initiatives. Whether you’re upgrading for energy efficiency, curb appeal, or peace of mind, Window Nation delivers products you can trust and results you’ll love. Come discover why so many families continue to choose Window Nation, the company where quality, value, and service meet.
Contact info
381 Independence Ave, Suite 104, 17055, Mechanicsburg, PA, United States
- 717-230-1080
Window Nation
4.5
Excellent
102 reviews
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Josh was great
Josh was great ! Very informative and friendly ! Great quality product as well ! Josh explained the entire process and made it very convenient !
14 August 2026
Unprompted review
Reply from Window Nation - Harrisburg, York and Lancaster
We're so glad to hear that our team member was informative and friendly! It's wonderful that the quality of our product met your expectations and that the entire process was convenient for you.
Angela provided a wonderful…
Angela provided a wonderful presentation which was very informative and helpful. Looking forward to working with them in the future.
14 August 2026
Unprompted review
Reply from Window Nation - Harrisburg, York and Lancaster
We are so glad to hear that the presentation was informative and helpful for you! We truly appreciate your positive feedback and look forward to the opportunity to work with you again.
Great experience with Window Nation…
Great experience with Window Nation from start to finish. We did an entire house of 30+ windows so our initial meeting lasted quite a while. They were very thorough, but pricing came in high. Don’t let that scare you. You can negotiate pricing even if you are financing. The sales tactic is to start high. We were told 6-8 weeks for window installation, and that was pretty accurate. You will get text message updates. Mario’s installation crew was fantastic, but there were only 3 of them. We were told we had a 2 day job, but it turned out to be 4 days. The guys worked over the weekend. In the end, couldn’t be happier with windows and the installation.
10 July 2026
Reply from Window Nation - Harrisburg, York and Lancaster
We truly appreciate you sharing your detailed experience with us. We are so glad to hear that you are happy with your new windows and the installation. We understand your initial concerns regarding the pricing and the extended installation timeline, and we value your feedback on these aspects. We are always working to refine our processes and ensure clear communication. Thank you for choosing us for such a significant home improvement project.
We had an excellent installation crew…
We had an excellent installation crew at our home to install 18 windows. Sergio Vega Cruz and his crew did a excellent job of removing old windows and installing new (much better than original). They cleaned up everything as they worked and left it in tiptop shape. We are very pleased with the windows and the installation. From the first call for appointment and throughout the job the staff at the office and on the job was first class.
22 April 2026
Unprompted review
Reply from Window Nation - Harrisburg, York and Lancaster
We're happy to hear that the installation team provided such excellent service! It's great to know that the new windows and the installation process exceeded your expectations. We appreciate your kind words about our team's professionalism and thoroughness. Thank you for sharing your positive experience!
Sales guy unethical - installers were horrible
Sales guy unethical - Installers were horrible
Installers were horrible. Sales guy was just a sales guy, found that out later he makes it sound good and then does not follow through. He said we would get money back on a problem that he created and then when we went to settle up they had someone else in charge and we didn't get the money we were promised. This is a shady organization.
We even had to have them back out twice to fix problems and we have not had them 6 months yet. They are nice to your face yet and the windows look good but installation problems and sales guy who is out to make a buck. I won't say his name, but he should be fired for being unethical.
22 October 2025
Reply from Window Nation - Harrisburg, York and Lancaster
We appreciate your feedback and regret that your experience did not meet expectations. We're sorry to hear about the issues with the installation and the concerns about the sales process. We're taking your comments seriously and will review these areas to improve our service.
I called because my new window were…
I called because my new window were drafty, this was fixed quickly.
4 February 2026
Reply from Window Nation - Harrisburg, York and Lancaster
We're happy to hear that we fixed the draft issue with your new windows quickly. Thank you for your positive feedback!
Both teams of employees did a great…
Both teams of employees did a great job. We had a problem with the door that was damaged in shipping. But they made it work until the new one came in. It was pretty cold when the put the new one in but the sent 4 guys that got it done as quick and it looks great.
21 January 2026
Reply from Window Nation - Harrisburg, York and Lancaster
We're happy to hear that both teams performed well! We appreciate your patience with the damaged door and are glad our team was able to resolve the issue quickly despite the cold. Thank you for your feedback.
The job was done well and fast.
The job was done well and fast. Clean up was great. There was a clutch with one window but resolved quickly.
20 January 2026
Reply from Window Nation - Harrisburg, York and Lancaster
We appreciate you sharing your positive experience! We're glad the job was done well and quickly, and that the window issue was resolved promptly.
The team was very respectful
The team was very respectful, knowledgeable and efficient. They did an absolute perfect job throughout. Definitely recommend them!!!
3 January 2026
Reply from Window Nation - Harrisburg, York and Lancaster
We are happy to hear that our team's knowledge and efficiency resulted in a perfect job for you. We appreciate your recommendation very much!
I was 1000% satisfied with Emily
I was 1000% satisfied with Emily! She was very detailed oriented and answered all my questions. The installers were so pleasant and personable. They were very respectful of my home when installing the windows.
I would definitely recommend Window Nation, and do with everyone I talk to.
11 December 2025
Reply from Window Nation - Harrisburg, York and Lancaster
We're happy to hear that you were satisfied with the detailed service and the team's respectful installation. We appreciate you recommending us!
The installation crew was outstanding…
The installation crew was outstanding and the company worked to get things right for our front door when it came to the color.
30 December 2025
Reply from Window Nation - Harrisburg, York and Lancaster
We're glad you enjoyed your experience with our installation crew and that we could ensure the front door color met your expectations. Thank you for your feedback!
Installers were quick
Installers were quick, respectful and cleaned up after the install was complete.
29 December 2025
Reply from Window Nation - Harrisburg, York and Lancaster
We're happy to hear that our installers were quick, respectful, and thorough. Thank you for your positive feedback; we appreciate it.
Great Windows
The windows looks great in the house. The installation was great,even though the measurements for my front bedroom windows were incorrect. The wait for the windows was a spell lengthy. The communication on the delivery and installation was great. Price for the windows are on the high side. The widow are good quality and give the home a different look.i love the windows.
24 December 2025
Reply from Window Nation - Harrisburg, York and Lancaster
We appreciate you sharing your experience. We're glad the installation and communication were excellent, and that you love the new look of the windows. We regret the measurement error and the inconvenience of the lengthy wait. We'll review our processes to improve moving forward.
From the sales call to the install team…
From the sales call to the install team our experience was top notch. We received a good product for a fair price in our opinion.A small issue with the wrong screens being sent was handled painfully slow however but this did not lower our overall satisfaction. We would definitely use them again.
7 November 2025
Reply from Window Nation - Harrisburg, York and Lancaster
We're happy to hear that your experience, from the sales call to the installation, was top-notch. We appreciate your feedback and are sorry to hear about the delay with the screens. We value your business!
salesman lies
Installers never had training with Window Nation, had only worked for them less than 2 years - not over 20 years, were not US citizens - on green card, initial order incorrect, no paperwork on transfer of warranty as initially told by salesman. Weather strip at bottom of door is deformed. it was 7 degrees when they arrived - window cleaner was frozen.
10 December 2025
Reply from Window Nation - Harrisburg, York and Lancaster
We appreciate you bringing these concerns to our attention. We're sorry to hear about the issues with the installation team, the order's accuracy, warranty paperwork, and the deformed weather strip. We'll investigate these issues.
Made windows air tight
Made windows air tight
Finished job looks wonderful
Installer’s were great to work with
Cleaned up after job was done
11 December 2025
Reply from Window Nation - Harrisburg, York and Lancaster
We're happy to hear that your windows are now airtight and the finished job looks wonderful! We're also glad that our installers were great to work with and cleaned up.
Sergio and team did a good job
Sergio and team did a good job. Constantly stayed working.
12 December 2025
Reply from Window Nation - Harrisburg, York and Lancaster
We're happy to hear that the team worked diligently. Thank you for your positive feedback; we appreciate it very much.
Reply from Window Nation - Harrisburg, York and Lancaster
We're happy the approval and installation were quick! We appreciate you noting the quality product and wonderful crew.
Reply from Window Nation - Harrisburg, York and Lancaster
We're glad you had a great experience. Thank you for your positive feedback; we appreciate it greatly.
They make everything so easy!
They make everything so easy!
Their customer service is top notch and their products are superior.
I've used them twice now and will use them in the future.
8 December 2025
Reply from Window Nation - Harrisburg, York and Lancaster
We're happy to hear that our products and customer service made everything easy for you. We appreciate your continued trust and look forward to serving you again.
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