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Experience Unparalleled Quality and Lasting Results with OKNA Windows installed by Contract Exteriors

Unlock the ultimate window solution for your home with OKNA Windows installed by Contract Exteriors, where unparalleled quality and lasting results come together to elevate your living experience.

Get Superior Windows Now!

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Different Shapes and Styles of OKNA Windows Available

OKNA Windows installed or Replaced in The South Carolina Area

Years Serving the Myrtle Beach and Charleston Areas

What We Do

Window Consultation

Window Installation

Window Replacement

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Get the Best Window for your South Carolina Home!

As the leading window experts in the area, we recognize that OKNA may be unfamiliar to some, but rest assured, its exceptional benefits are unmatched. With a strong focus on performance and durability, OKNA windows are engineered to surpass expectations, providing you with unparalleled quality and peace of mind.

Window Types

Double Hung Windows

Double Hung Windows

Slider Windows

Slider Windows

Casement and Awning Window

Casement and Awning Windows

Bay and Bow Windows

Bay and Bow Windows

OKNA Windows combines superb craftsmanship with a classic feel. Our windows offer many glass and hardware options to seamlessly blend with any interior design while providing superior energy efficiency. Since all OKNA products are custom-made, you can be sure of a perfect fit every time.

Click here to download and view the various features, colors, and options in our catalog.

Top Rated in Energy Efficiency, Durability & Performance

  • OKNA windows surpass competitors with a DP60 rating, capable of withstanding winds up to 180 mph – Most competitors will settle for the minimum DP50 rating.
  • OKNA windows have baked-in low e glass for unmatched thermal performance and reduced strain on HVAC systems.
  • The advanced glass technology ensures crystal-clear views and no more streaky windows.
  • OKNA windows are approximately 300% more energy-efficient than average competitor windows.
OKNA Windows Structural Performance
OKNA Windows Structural Performance

Top Rated in Energy Efficiency, Durability & Performance

  • OKNA windows surpass competitors with a DP60 rating, capable of withstanding winds up to 180 mph – Most competitors will settle for the minimum DP50 rating. 
  • OKNA windows have baked-in low e glass for unmatched thermal performance and reduced strain on HVAC systems.
  • The advanced glass technology ensures crystal-clear views and no more streaky windows. 
  • OKNA windows are approximately 300% more energy-efficient than average competitor windows.
OKNA Window Technology

Advanced Window Technology

– OKNA windows utilize heat seal spacers made of space shuttle material, a superior alternative to the traditional metal spacers that is designed to prevent seal failure.

– The HeatSeal Spacer found in OKNA window spacers ensures excellent thermal performance and reduces the risk of condensation or moisture buildup between window panes which is especially beneficial in hot summers experienced in Coastal Carolina.

Collaborative Design Consultation & Stress-Free Installation

Experience a stress-free and collaborative window installation process with Contract Exteriors. As the leading window installer in the area, we proudly offer a wide range of OKNA windows, including the 800 and 600 series in double hung, casement, horizontal slider, and special-shaped styles. Our experts provide free consultations, working closely with you to understand your needs and budget. We’ll guide you through the selection process, explaining the features, benefits, and warranties of each window type. With our unwavering commitment to exceptional service, you can trust us to make your window installation journey hassle-free and enjoyable.

Sales-consultation-Contract-Exteriors-Okna-Windows
Sales-consultation-Contract-Exteriors-Okna-Windows

Collaborative Design Consultation & Stress-Free Installation

Experience a stress-free and collaborative window installation process with Contract Exteriors. As the leading window installer in the area, we proudly offer a wide range of OKNA windows, including the 800 and 600 series in double hung, casement, horizontal slider, and special-shaped styles. Our experts provide free consultations, working closely with you to understand your needs and budget. We’ll guide you through the selection process, explaining the features, benefits, and warranties of each window type. With our unwavering commitment to exceptional service, you can trust us to make your window installation journey hassle-free and enjoyable.

Get the Best Window for South Carolina Homes!

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What People Are Saying About Their Experience

“Contract Exteriors in Charleston did an outstanding job with my window replacement. The team was professional, knowledgeable, and efficient. The quality of the windows and the attention to detail during installation were exceptional. Highly recommended.”

Sarah Thompson

“Contract Exteriors in Myrtle Beach provided a smooth and hassle-free window installation. The team was professional and responsive, and the windows have significantly improved energy efficiency. Minor scheduling delays, but the end result was worth it.”

John Anderson

Contract Exteriors in Charleston delivered excellent window replacement services. The team was knowledgeable and professional throughout the process. The new windows have improved both aesthetics and energy efficiency. Minor communication hiccups, but overall satisfied with their work.”

Lisa Roberts

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READY TO REPLACE YOUR WINDOWS?

OUR EXPERT TEAM OF WINDOW CONSULTANTS IS READY TO HELP!

Flexible Payment Plans Available

Number 1

 5-Years at 6.99%

This is one of our most popular financing options and the best way to beat inflation with the first 12 months same as cash —no interest, and no payments.

Number 2

12-Years at 9.99%

Not only will you have no early pay-off penalties on this loan, but our team can also get you set up with payments under $300 per month.