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OKNA Windows in Houston, Texas

Since it’s inception, Okna has built a reputation for designing, engineering and manufacturing vinyl and composite windows that are not only exceptional, but industry leading performers in almost every category. Owned and managed by two very talented engineers, Okna is a company at the forefront of product innovation in the vinyl window industry.

Okna vinyl windows are manufactured with some of the tightest tolerances in the industry, resulting in superior design pressure ratings and extremely low air leakage ratings that outperform every other vinyl window available in Texas. Premium level vinyl windows will not only outperform mid-grade vinyl windows, they will last far longer – ensuring your happy with your new Ultra vinyl windows for many years to come.

Premium grade poly-vinyl chloride with maximum levels of Titanium Dioxide provide superior protection against UV breakdown. Thicker vinyl walls with multiple internal chambers and internal reinforcement protects against bowing and warping in the hot Texas summers – a weakness in typical vinyl windows.


Great products require great installation, and that’s exactly what Ultra Windows provides, with one single crew of installation professionals, who have been with us for the past 16 years. This allows us to deliver consistent quality workmanship to each and every customer.

Ready to install beautiful OKNA windows in your Houston area home? Contact Ultra Windows to start the conversation!

OKNA Window Installation in Houston

Our OKNA window installation and replacement is first notch in every regard. We have a four-man crew with many years of experience, allowing us to keep a clean job site and install with excellence in a short time. It’s a common thread through our customer feedback of the cleanliness of our installation and the satisfaction with our crew. On more than one occasion, the client has mentioned their home was cleaner after our window installation than it was before it!

OKNA Window Types

Some of the windows and doors that OKNA offers are:

  • Double hung
  • Single hung
  • Casement
  • Awning style windows
  • Patio doors
  • Sliding glass doors
  • Picture windows
  • Hopper windows

Each one of these window types is custom made to suit what you need for your house in terms of look and feel. This way you get a window and a frame that meshes well with your style and the design of your home.

Not sure which type of OKNA windows are right for your home? Our window installation professionals can help you decide! Call us today at 281-444-2299.

Benefits of Choosing OKNA Windows

When it comes to purchasing windows, there are a few pre-requisites that you want to look for, and OKNA has just about all the components you want for your windows. Benefits of OKNA windows include:

  • Advanced glass coatings and features that will let you control the climate, the light coming in and the beauty that you really want from a good window.
  • Windows meet or exceed the ENERGY STAR® Guidelines, AAMA, and NFRC regulations and certifications.
  • Varieties of indoor and outdoor color options are available.
  • Warranty backed by a quality craftsmanship, passion for the industry, and giving homeowners, like you, attractive and functional windows that will last for years to come.

Why Choose OKNA Windows for Your Home?

OKNA was established in 1994 and was started by Voytek Kaniewski and Yarek Ostaniewicz. Originally this duo opened a general contracting business together and mainly did installations. Over time though, with a need for more windows on demand, they decided to start making the windows themselves, rather than relying on someone else to do it for them. Because of this dedication, you can be assured that these are quality crafted windows. OKNA doesn’t take the easy road, they abide by and have stricter standards available when it comes to making windows like this for both your home and your business.

OKNA Window Installation & Replacement in Houston, Texas

Working with a company like OKNA means that you are working with a trusted company that goes above and beyond to make sure that you receive the best product possible. Schedule a free consultation today if you need to replace your old windows or you are just curious about the options that OKNA offers. OKNA also offers a catalog request for homeowners that want to visually see what is available.

Contact Ultra Windows for expert OKNA window installation in and around the Houston area!

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Customer Testimonials

"When you're getting replacement windows, you're buying both the product and installer, and either can make or break the job. We had Ultra Windows install fiberglass windows, and have been extremely pleased with both the installation and product." –T. Evans

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