Ted's Aluminum Siding and Windows - Logo

Serving Ottawa and the surrounding communities.

Ted's Aluminum Siding and Windows of Ottawa, IL is a family owned and operated siding and window business that has been serving the Illinois Valley for over 40 years.



Icon siding
Window replacement Window Window installation

Guaranteed Quality in Every Window Installed

You'll get spectacular windows and installations from Ted's Aluminum Siding and Windows of Ottawa, IL. Whether you're looking for brand new windows or looking to replace your old windows, our experienced team can get the job done quickly and correctly.

  • Energy Star Compliant Windows

  • Single or Double Hung Windows

  • Picture Windows

  • Awning or Hopper Windows

  • Slider Windows

  • Casement Windows

Extraordinary window services

Replacing windows will dramatically improve the appearance and beauty of your home. Your new windows will be energy efficient, add value to your home, and reduce the cost of heating and cooling, not to mention, give your home the appeal you are looking for.


All of our windows are Energy Star certified and have some of the lowest air infiltration ratings of any replacement windows in the industry. In addition, you will always know the cost of a window up front. No tricks, games, or hidden fees are involved.


What's more is that the cost we publish will always include basic, standard features, such as argon gas fill and low-E coating, as well as a full professional installation by our factory direct and Installation-Masters-certified installation crews.

What can new windows do for you?

Call us for the best selection of windows in the area.


We offer a variety of window styles to suit your preference. Each of these window styles is available with numerous color options, from interior woodgrains to foil laminates, to an unlimited variety of exterior color choices.


You will not find a better value anywhere else! Call us for FREE estimates.