Milwaukee's choice for sunrooms, porch conversions and home improvements from remodeling to room additions!

Please call Sales and Service at 262-364-7655

Our installation crews are available for communities throughout Southeastern Wisconsin,
including Milwaukee, West Allis, Racine, Hartford, Kenosha and our lakeside communities.

image shows Four Season Sunroom built by Millennium Windows & Sunrooms in Milwaukee, WIWe can build your sunroom, convert your screened porch into a sunroom, enclose your patio, replace your windows or build a complete, custom addition to your home. And more! Just ask us.


For your free estimate, use our online form, or call Millennium Windows & Sunrooms at 262-364-7655

Grafton is a community of families, bike and pedestrian trails and the Milwaukee River flowing through downtown. . Why sit inside when you can enjoy the outdoors free from pests?

Yes we can convert your screened porch into a 3 Season Sunroom! Let Millennium Windows & Sunrooms take a look at your screened porch and we will work with you to replace the screens with 4Track Vinyl Windows and doors.

We will inspect your wood or aluminum frame, concrete base and current roofing structure and inform you of the work and costs associated with the porch conversion. Our goal is to take that screened porch and turn it into a sunroom that will keep out the wind and rain, and unwanted pests!

Grafton, WI, located along the Milwaukee River, grew from its hard-working heritage to the tradition-centered community it is today.

Millennium Windows & Sunrooms offers complete home improvement services to Grafton homeowners, including:

  • 3 Season or All Season Sunrooms with glass or 4Track Vinyl Sliding Windows and Doors
  • New screened porches, or convert your existing screened porch into a 3 Season Sunroom.
  • Patio enclosures, or convert your existing patio enclosure into a 3 Season Sunroon
  • Replacement windows. Remove those leaking, aging windows with more energy-efficient, attractive windows. See for yourself the difference.
  • ¬†Custom additions to your home, including design and construction to help finally get that new room or rooms you have been waiting for!
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Take advantage of our 12-months No Payments, No Interest Plan for qualified buyers. Start enjoying your sunroom lifestyle now. 

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