The First Choice for San Diego All-Season Rooms
Enjoy year-round outdoor living with an all-season sunroom customized to your home!
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All Season Rooms San Diego CA

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!

The city of San Diego has been recognized as having one of the “Top-Ten Best Climates” by Farmer’s Almanac, and residents throughout the area spend the majority of their time outdoors all year long. Although the seasons are mild in Southern California, inclement weather and cool winter nights can affect the enjoyment you get from your outdoor living space, and C-Thru Sunrooms is here to help you get San Diego all-season rooms that let you enjoy the great outdoors year-round.

Since 1947, we’ve been one of the most-trusted names for the design and installation of San Diego four-season rooms, and we offer a wide range of styles and designs to suit your needs. From modern, all-glass options to fully customized, highly efficient styles, we go above and beyond to help you bring your vision for a home addition to life—quickly and affordably.

Enjoy the Outdoors with San Diego Four-Season Rooms

At C-Thru Sunrooms, our San Diego all-season room installers understand the unique needs of homeowners throughout the region. We know that you want your new sunroom to provide superior comfort, style, and efficiency—while still having the strength and durability to hold up to extreme weather and hot summer temperatures.

That’s exactly what you’ll receive with the installation of one of our San Diego four-season rooms, and our innovative products come with:

  • Ultra-Efficient Glass: The SmartGlass used in our sunrooms provides multi-pane efficiency that reduces your utility costs and keeps your new room comfortable in any season.
  • Customized Designs: There are countless ways to customize your new sunroom, from choosing the walls and ceiling style to adding high-end accessories, options, and hardware.
  • Full-Service Installation: With over 70 years of professional experience, we can handle all aspects of your installation, including the windows, doors, lighting, and electrical work.
  • Long-Term Warranties: We stand behind the quality of every four-season room we install by providing lifetime manufacturer warranties and a 20-year warranty on insulated glass.

Get a Free Price Quote Today for All-Season Room Installation in San Diego!

Whether you want to make a dramatic statement with curb appeal or you’re interested in an integrated all-season room that offers seamless views and unmatched style, C-Thru Sunrooms is the company you can trust to handle everything from design to timely installations. Learn more about why we are the trusted choice for San Diego leading all-season room installation in your area by calling us today, or request a free, no-obligation price quote now by filling out our simple, online form!