Duncan's Window & Door

10/23/2026

While I was serving the world’s best customers, their dog was busy chewing up my shoes. 🤦‍♂️😂

The homeowner made it right and officially bought me a new pair! Now that’s taking care of your window guy. 👟🙌

10/22/2026

Man, I love getting to serve the world’s best customers!

We’re here in Appleton for a houseful of windows, an entry door and a patio door, and our in house Duncan’s team is absolutely crushing this one!

These guys are the backbone of our success. They work hard, take pride in their craftsmanship and care about the homes and families we serve.

Thank you, guys. Your hard work doesn’t go unnoticed, and we sincerely appreciate everything you do!

10/19/2026

Help us wish Luke a happy birthday! 🎉🎂 Thank you for your hard work, dedication, and the care you put into serving our customers. We’re thankful to have you on the Duncan’s team. Enjoy that Duncan’s paid birthday off, Luke! You’ve earned it! 🙌

10/13/2026

We’re grateful to work in a community that continues to support our crew. Being able to give some of that support back means a lot to us.

Whether it’s youth sports, a demo derby sponsorship or helping a neighbor through Windows for Widows, we’re thankful we can play a small part.

The heart behind Duncan’s is to serve people and serve them well. Thank you to our customers for trusting us with your homes and helping make these opportunities possible.

10/09/2026

This homeowner in Kaukauna called three different companies in the Fox Valley, including Duncan’s, hoping someone could help bring her vision to life.
She shared that all three came out for an appointment. One decided not to quote it. Another came out twice, but never provided a quote or responded to her texts and phone calls
This project took a little extra love. We sent the specifications to the engineering team at our door manufacturer and worked through the details together.

There’s something special about seeing a homeowner’s vision become a reality and knowing our entire crew had a hand in making it happen. We’re grateful she trusted us with her home, and proud of the care our team put into it.

If you have a window or door project in mind, we’d love to hear what you’re hoping to accomplish. Send Duncan’s Window & Door a message to schedule a no pressure consultation. Let’s talk through it together.

10/06/2026

10/01/2026

Calling the World’s Best Customers!

Help us wish Jeremy, our Sales and Marketing Manager, a HAPPY BIRTHDAY!

He brings the laughs, loves serving our neighbors, and always has time to talk windows… or cheese curds.

At Duncan’s, we give our employees a paid day off for their birthday to celebrate however they want. We hope Jeremy enjoys every minute of his!
Drop a birthday wish below and help us make him feel appreciated!

09/28/2026

Check out what the Adams family in Waupaca, WI had to say about working with Duncan’s. We really do have the World’s Best Customers!

09/23/2026

A little wisdom from our owner, Micah: If plants are growing out of your windows, you might be due for new ones. 😂🪴

Give us a call before you have to start mowing the windowsills.

09/16/2026

Our hearts are full of gratitude! Thank you to Studio708 for choosing Duncan’s Window & Door and for the high praise and recommendation. We truly appreciate your trust and support!

We are also happy to return the recommendation. Studio 708 does incredible portrait photography, including seniors, families, newborns, pets, weddings, and professional headshots. If you are looking for a talented local photographer who creates beautiful, lasting memories, be sure to visit

https://www.studio708oshkosh.com