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OKNA 420 Series windows offer the value and performance you appreciate in a quality picture window.  These windows have become increasingly popular in the Rochester and WNY area, based on their ability to withstand harsh weather for years of use.  Whether you're looking for a window with strong framework or one that will help reduce monthly heat and cooling expenses, the 410 Wonder Saver Window works wonderfully in most homes.

OKNA 410 Picture Window

410 Series - Picture Windows

  • Choose from a wide assortment of colors, sizes and materials
  • One of our most energy-efficiency picture windows
  • Custom made to guarantee a perfect fit from the day they're installed
  • Low maintenance and simplified cleaning
  • Heatseal spacers virtually eliminate condensation buildup
  • Customize yours from our inventory of hardware
  • Brass, bronze, white, earth tone and custom color options
  • NFRC U-Factor: 0.27  Air Infiltration: 0.01   Solar Heat Gain: 0.32
  • Here at Wonder Windows, we offer an amazing selection of OKNA picture windows, including the very popular 410 picture window series. No matter what size or shape you're searching for, we can make it happen. Your Rochester home will have never looked better!

  • Each OKNA 410 series picture window is installed under the most demanding conditions, and pre inspected by our master Rochester NY window installers, to ensure both safety, performance and weather protection.

  • Even the heaviest Rochester rains and wind won't topple the power of an OKNA 410 picture window. They offer tremendous strength even under the most dire weather conditions.

  • The OKNA 410 Picture Window series was carefully engineered to minimize drafts. Over time they're known to retain their original factory tension, for showroom performance even after years of regular use. Keep your home warm in the winter and perfectly-cool in the hot Rochester summers.


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.




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


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.