Free Estimate!

Call or Text us too!

Free Estimate!

Call or Text us too!

750 OKNA awning windowsWonder Saver 750 Series Awning windows remain a wonderful seller here at Wonder Windows in Rochester.  Regardless of which specific model you select, you'll have the assurance of replacement windows that will function smoothly and properly for many years to come.  You can get them in any of our standard colors, or special order them in your choice of thousands of unique shades.

OKNA 750 Series windows are supported by an ultra-strong welded vinyl frame, and triple-reinforced weather stripping.  They are ideal for most types of Rochester homes, and according to scores of users, serve as a substantial way to increase energy-efficiency.

  • Unmatched air and condensation prevention with triple weather-stripping
  • Stunning lines and clean design make them suitable for all home styles
  • Argon gas-insulated for enhanced thermal efficiency
  • Wide opening and closing range for easy care and cleaning
  • Comes standard with a ThruVision full screen
  • Wonder Windows most popular energy-efficient performance window
  • Beveled outlines and edges are timeless & elegant appearance
  • Has a U-value rated at a very low 0.25 
  • High performance corrosion-resistant exterior and hardware

One of the real beauties of the OKNA 750 Awning Window series, is that they incorporate many features which are inherent to more expensive brands.  Better still, they're regarded as one of the most stylish and optimally-designed classes of awning windows.

Ask your Wonder Windows consultant for more information on why these durable, affordable awning windows are such a favorite among Rochester NY residents!

  • OKNA 750 series awning windows, the perfect solution for open windows on a picturesque rainy day, or whenever a little extra breeze is needed.

  • The 750 Series of OKNA Awning windows are equip with two locking handles to increase security and style.

  • Hand cranks on the 750 series can be folded in, to remain out of the way of blinds, drapes, curtains or other window accessories.

OKNA 750 Series Awning windows open wide to increase natural ventilation, while protecting your family and furnishings from potentially harmful outside particles.

For the highest level of all-around protection, your replacement awning windows can be upgraded to include additional or premium locks and hardware.  Choose from a wide selection of styles, protection levels and materials. Like all OKNA Series windows, your replacement Awning windows can be ordered in any of four standard colors including beige, white, earth tone, or bronze. 

Interior Options

Our company offers two interior colors in addition to our standard Euro-White to give your home a distinct look.

Optional colors are available at additional cost.




Onyx Black

Exterior Options

Okna Windows offers six exterior stock color selections in addition to the standard Euro-White option to give your house a distinct look and enhance its curb appeal. You can also select custom exterior colors from a virtually unlimited selection of paints. Our paints are environmentally safe and durable, giving your exterior a vibrant and long-lasting color finish.



Terra Brown


Basic Brown


Nicol's Black

Custom Colors


GBG grilles consist of aluminum bars sealed in the insulation airspace between the two panes of glass. Because the interior and exterior glass surfaces are not affected, cleaning your windows is a much easier task.

Permanent interior and exterior grids with spacer will provide a truly authentic look. Interior grids are available in Euro-White or wood laminates to match your home's decor. External grids are available in Euro-White or colors to match product exterior.

Flat Grid

Contour Grid

Grid Patterns

Are you looking for a stunning design detail to instantly set your home apart both inside and out? A choice of decorative grilles for your Okna Windows & Doors can highlight the architectural style that speaks to you.




Series OKNA 700 Series OKNA 700 Series
Triple Pane Standard Standard
Double Pane Optional Optional
Model Name Super Deluxe Deluxe
Glass Panes Triple Pane Double Pane
U-Factor 0.20 0.25
Solar Heat Gain (SHGC) 0.23 0.27
Visible Transmittance 0.38 0.49
Condensation Resistance 71 63
Design Pressure DP70 DP70
Structural Performance R70 R70
Air Infiltration 0.02 0.02
Foam-Filled Frames Yes Yes
Screen ThruVision PLUS ThruVision PLUS
Manufacturer's Warranty Lifetime Lifetime
Our Labor Warranty Lifetime Lifetime
Glass Breakage Free Free
ENERGY STAR Most Efficient Yes* Yes*

*with triple pane glass

All results numbers based on tested window sample by NFRC and AAMA testing guidelines.
Used for comparison purposes only. Actual values may vary depending on installation, size of the window and other conditions

Compare With Other Window Selections