Satisfaction Guarantee
The job is never complete until you are 100% satisfied.
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Step 12 – Satisfaction Guarantee
WinTek USA, “We have set the standard.” Customer satisfaction is our top priority and no one’s opinion is more important than our customers. Your project manager will walk you through your project upon completion of the job. In addition, we will walk you through step-by-step instructions on how to use and maintain your new energy-efficient products. We will discuss your warranty and answer any questions that you have. We are also there to help as questions arise during the lifetime of the product. Our installation can only be finished when you are 100% satisfied. Our unique 12-Step Installation Process is an integral part of experiencing the “WinTek Difference”.
Our Financing
WinTek USA has financing experts who love helping you get the funding to make your home improvement dreams come true.
Less than Perfect Credit
Bad things happen to good people. We have lenders that specialize in assisting people in these situations. We can handle most credit situations with our amazing financing options. Beautify your home today while saving energy.
Payment Plans
We have the best lending solutions in the industry with payments designed to fit any budget. Our payments start at $13.41 a month for each $1000 borrowed. You can be preapproved today.
Same as Cash
Let our Finance Specialists find you the perfect solution. Same as cash options for 6, and 12 months are available. Buy Today...Pay Tomorrow.
Get Financing
Wintek USA has financing experts who love helping you get the funding to make your home the home of your dreams.
Oklahoma Office: 120 Naomi Lane Suite D New Castle OK, 73065..
Get Pre-Approved Now!
Single Hung Windows
Features one window sash that is operational and will slide vertically, up or down. WinTek USA’s Single Hung Windows look as beautiful as our Double Hung. Their only difference is they are only operational from the bottom sash.
Double Hung Windows
Features an upper sash that slides vertically past a lower sash in a single casement. WinTek USA’s double-hung windows feature two operating sashes—so you can open both the top and bottom parts of the window. Their stylish beauty enhances the look of any home, they provide excellent thermal performance, and tilt-in sashes make cleaning and maintenance a breeze.
Picture Windows
Features a large window consisting of one pane of glass, and perfect for your living or great room. Enjoy the versatility and stunning good looks of our Standard Picture and Casement Picture windows. At WinTek USA, comfort comes standard with your picture windows so you can be comfortable no matter what the season.
Bow Windows
Features a curved window built to project outward from an outside wall. Designed with 3, 4, 5 or 6 equal-sized sections, the Bow window gives your room a new dimension with a symmetrical style. Bow windows are available in custom sizes, various finishes, and feature various combinations of ventilating Double-Hung or Casements or fixed Picture units.
Bay Windows
A Bay window is a window built to project outward from an outside wall. Our Bay windows provide a large center Picture window with your choice of Double Hung or Casement windows on each of the ends. A choice of 30-degree or 45-degree angle is certain to give you the ideal seating area you desire.
Casement Windows
Built to last and provide beauty, charm, style, and versatility you’ll enjoy for years to come. For an open view from inside your home, Wintek USA’s Ecotek Casement windows offer a unique blend of charm and elegance. Two continues seals of weather-strip around the oudside of the window stop drafts from entering your home while providing you with the ultimate in comfort.
Slider Windows
Ecotek double and single sliding windows are like double-hung and single-hung windows turned 90 degrees horizontally. Sliders are ideal for homes with relatively low ceilings, but with plenty of horizontal space along the wall. In addition, a sliding window has a more contemporary appearance than the colonial-style double-hung, so this is ideal if you happen to prefer the modern look.
Awning Windows
Built to last and provide beauty, charm, style, and versatility you’ll enjoy for years to come. Our Ecotek Awning windows are the perfect complement to our casement design. Between the two, they allow you to fill the space of any room in your home with sunlight and airflow.
Garden Windows
Features a large window consisting of one pane of glass, and perfect for your living or great room. Enjoy the versatility and stunning good looks of our Standard Picture and Casement Picture windows. At WinTek USA, comfort comes standard with your picture windows so you can be comfortable no matter what the season.
Ready To Get Started?
Start with A Free in-home estimate for your home improvement project
or call Now: (833) 946-8351
Our Product Packages
We have a complete ensemble of energy-efficient products that are custom designed for each and every homeowner. Shop today for the perfect package to fit your home and budget.

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Phone Numbers
Customer Service
(866) 884-4065
Product Info
(833) Wintek1
Local (Arkansas)
(501) 760-4718
Local (Oklahoma)
(405) 992-0111
Office Location
Royal AR, 71968
Oklahoma Location
New Castle OK, 73065
Office Hours
S-S, By Appointment only.