Expand Your Chicago Home with a Stylish Addition
Need more space at home? Let us add a custom sunroom addition that the whole family will love!
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Sunrooms Chicago IL

Certified Quality

Certified Quality

Our American-made, AAMA-approved windows and doors meet the International Building Code and are Energy Star-rated.

Superior Features

Superior Features

Our frames, cladding, glass panes, and other features are engineered for strength and efficiency in any climate.

Custom Designs

Custom Designs

Every component of your new sunroom will be designed just for you: the foundation, walls, roof, windows, and doors!

Wouldn’t you love to have a dedicated space that stays beautifully lit and comfortable all year long? You don’t have to look far to find this at-home oasis—just contact your local sunroom addition experts at C-Thru Sunrooms! Since 1947, we’ve been manufacturing and installing customized Chicago sunrooms that help local families get more functionality and enjoyment out of their homes. Whether you’re interested in our premium four season rooms or our shaded and stylish patio covers, our family-owned-and-operated company will help you create a one-of-a-kind structure that the whole family can enjoy.

Design the Perfect Chicago Sunroom Installation for You

Sunroom additions are the perfect way to boost the value and comfort of your Chicago home, and no one understands how to deliver a high-quality sunroom installation better than C-Thru Sunrooms! We believe that our customers deserve quality products at prices they can actually afford—which is why we’ve pioneered several innovative product lines. With us, you won’t get some second-rate, bare-bones sunroom installation; you’ll enjoy a completely tailor-made design that’s fitted to your budget and fully engineered to your specific property. Best of all, your Chicago sunroom installation will be backed by a transferrable lifetime warranty!

Just a few of our most popular sunroom additions and other enclosures include:

  • All Season Rooms: If you want to be able to use your sunroom on even the coldest winter night, our all season rooms in Chicago are the ideal choice. With insulated glass and reinforced framing, these high-end sunrooms maintain a comfortable interior temperature all-year long.
  • Conservatories: A unique style of sunroom, a conservatory can add a touch of classic European charm to your home. With vaulted glass ceilings and Old World architectural details, our conservatories take a boring outdoor space and make it breathtaking.
  • Patio/Porch Enclosures: Already have a porch or patio? Then let us enhance it by adding one of our patio covers, glass enclosures, or screened rooms! You can choose your level of style and convenience by selecting your preferred glass package, frame style, doors and windows, and more.

Grab a Free Quote for Our Custom-Designed Chicago Sunrooms Today

With more than 70 years of experience and hundreds of thousands of happy customers, C-Thru Sunrooms offers Chicago leading sunroom installation in your area. Call us today to learn more, or use our simple online form to request a free, no-pressure cost estimate from your local C-Thru dealer!