C-Thru Sunrooms

The Original Sunroom Manufacturer

Founded in 1947, C-Thru Sunrooms is one of the oldest sunroom manufacturers in the country. We’ve achieved success over the last seven decades by constantly improving our products and services, delivering cutting-edge technology backed by the industry’s best warranties and the caring touch of a family-owned business. Wherever you call home, our custom-built home additions are here to make it as spacious, energy-efficient, and beautiful as you’ve always wanted.

C-Thru Sunrooms and Additions:
A Valuable Home Investment

Our products are more than just beautifully expanded living areas.
They’re also incredibly energy-efficient and guaranteed for life.

Three & Four Season Rooms

All of our sunrooms are fully customized to your lifestyle, budget, and home design.

Three & Four Season Rooms

Shaded Patio Covers

Protect yourself and your guests from harsh UV rays by adding a stylish patio cover.

Shaded Patio Covers

Outdoor Enclosures

From the patio to the deck to the pool, our enclosures boost your outdoor comfort.

Durable Screen Rooms

Keep bugs, dirt, and bad weather at bay by having us screen in your patio or porch.

What Makes C-Thru Sunrooms Stand Out?