The double hung 800 double pane Deluxe is a top choice of homeowners looking for high-end windows. As with all Okna windows it comes with a limited lifetime guarantee and our labor guarantee as well. For the money you will have a hard time finding any window with an equally rated performance.
- 13% Better than Energy Star® minimum
- 3000% better Air Infiltration protection compared to Industry Standards
- Magnetic Window to frame seals virtually eliminates drafts
- Maintenance free design and construction
- 3 1/4" Depth Welded Mainframe provides lasting performance.
- To lower condensation on the inside of the window the 800 series utilizes our Heatseal® warm edge spacer system
- Double weather-stripping.
- Numerous hardware options for any decor.
- Factory installed fiberglass mesh half screen with Optional locks
|Energy Star||Comparison To|
|Glazing Option||U-Value||SHGC||VT||CR||Minimum*||Energy Star Minimum|
|Our Windows||Minimum||Industry Minimum|
|AAMA Rating||R 60||R 15|
|Air Infiltration cfm/ft2||0.01||0.3||3000%||Better|
|Water Penetration mph||59||33||79%||Better|
|Structural Integrity mph||187||94||99%||Better|