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CWS Windows & Doors

Custom Windows & Doors Systems

sliding window

STH Windows & Doors has partnered with CWS to offer impact-resistant and non-impact-resistant windows, doors and sunroom products for virtually every performance need.

Exceptional Hurricane Protection

With 450,000+ sq. ft. of modern manufacturing facilities, our CWS products achieve exceptional levels of impact resistance, safety, security and energy efficiency. CWS was also the first manufacturer to obtain an ENERGY STAR® rating from the National Fenestration Rating Council (NFRC) for High Velocity Hurricane Zone (HVHZ) windows. STH Windows & Doors is proud to meet or exceed some of the highest standards for hurricane protection.



Vinyl Non-Impact Windows & Doors

High-quality vinyl windows for excellent energy efficiency.
  • Energy Efficiency: Multi-chambered vinyl frame construction and glass options provide energy efficiency.
  • High Quality: Low-maintenance, reinforced vinyl frames with DP +/-50 rating.
  • Design Flexibility: Available in multiple and flexible sizes and configurations.


Aluminum Non-Impact Windows & Doors

Strong, durable and maintenance-free aluminum windows.
  • High Quality: Low-maintenance, reinforced vinyl frames with DP +/-50 rating.
  • Energy Efficient: Non-impact Low-E glass options for enhanced energy efficiency.
  • Design Flexibility: Available in multiple and flexible sizes and configurations.


Aluminum Impact-Resistant Windows

Our highest rated aluminum windows tested to meet or exceed the strictest requirements of the Florida Building Code.
  • Extruded Aluminum Frames: Strong, durable and corrosion-resistant aluminum frames.
  • Energy Efficiency: Monolithic or insulated Low-E glass options for energy efficiency.
  • Hurricane Impact Rated: Tested to meet or exceed the strictest requirements of the Florida Building Code and rated to be installed in all coastal areas, including the High Velocity Hurricane Zone (HVHZ).


window replacements

Vinyl Non-Impact Windows & Doors

High-performance windows for convenient, everyday protection and comfort.
  • High-Performance Designs: Get comfort day-in and day-out with energy-efficient windows. Featuring a multichambered design and exclusive weather-repel system, CWS Comfort Shield vinyl windows outperform the industry requirement for air infiltration by 53%. Optional foam insulated frames further improve energy efficiency and sound control.
  • Strong, Low-Maintenance Vinyl: Never paint or refinish your windows again. CWS Comfort Shield windows are made with a fade-resistant vinyl formula and a strong and sturdy frame design. Our multichambered frame design is 52% stronger than ordinary vinyl.2 Available in a variety of color options to complement your project’s style, our solid-color vinyl frames keep minor scratches and dings virtually invisible.
  • Enhanced Safety & Security: Gain peace of mind with enhanced security and privacy features available on CWS Comfort Shield windows and patio doors. Select CWS Comfort Shield windows feature a tamper prevention design with an interlocking checkrail, steel hardware reinforcement and a unique anti-jar sill.


window types

Vinyl Impact-Resistant Windows & Doors

Designed to weather the storm and protect what matters.
  • Hurricane Impact-Resistant Windows: Feel safe with simplified storm protection. Designed to weather the storm, StormStrong windows have a maximum design pressure of +/-50 and can be used anywhere outside of the High Velocity Hurricane Zone (HVHZ).
  • Excellent Energy Efficiency & Performance: Don’t sacrifice comfort for storm protection. Our multichambered vinyl frame and glass options provide excellent energy efficiency and reduced sound transmission. Optional laminated, insulating glass helps protect your home from intruders and blocks nearly 100% of UV rays, helping protect your carpet and window treatments from fading.
  • Precise Installation: Proper installation is the key to exceptional performance. Installation holes are pre-drilled into the frame of every StormStrong window to make it easier and quicker to install and secure your home.


Vinyl Impact-Resistant Windows & Doors

Our highest rated vinyl impact product for Florida’s most stringent requirements with exceptional everyday performance.

  • Easy Hurricane Protection: Put to the test to withstand Florida hurricanes and the most stringent building codes and performance requirements, CWS WindPact impact-resistant windows provide effortless protection for a home and everything inside. When the next storm threatens to strike, simply close and lock the windows, no additional storm preparation is required for our products. Options tested and rated to be installed in all coastal areas, including the High Velocity Hurricane Zone.
  • Effortless Everyday Performance: CWS WindPact windows protect your home from everyday threats and nuisances while offering exceptional energy performance. Our windows with laminated glass reduce unwanted outside noises, block nearly 100% of UV rays and deter potential intruders with a strong polymer interlayer.
  • Quick, Simple and Accurate Installation: Installation is key to performance and that’s why CWS WindPact products feature pre-drilled fastener locations to fit virtually any opening in Florida. Our windows are designed and built to make the installation process quick, simple and accurate. Choose from a complete product line with several product styles and over 15 shapes to meet your project needs.

CWS Windows & Doors Inspiration

Client Testimonials

I recently had my windows upgraded and after multiple estimates I chose this company and was very happy that I did. Great windows at a fair price .

paul juhl Avatar paul juhl
March 10, 2023

Great service and quality product!

Kimberly Allen Avatar Kimberly Allen
April 10, 2023

Great service and would definitely use again. Highly Recommend!

Alex Rodas Avatar Alex Rodas
March 10, 2020