Window Nation Fortis Reviews

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The Window Nation Fortis window is a high quality vinyl window that might not make my top 50 vinyl windows list -- but it would probably make my top 75 list. Standard features on the Window Nation Fortis window include a constant force balancing system, triple weatherstripping, foam insulation, an integral interlock, sloped sill, tilt in sashes where applicable, and a composite sash reinforcement. The Window Nation Fortis can be ordered as a double hung, horizontal slider, or as picture window. Please note that the window is actually made by Vytex, but is sold by Window Nation under the same model name.

If I were comparing the WN Fortis to another window, I might say the Sunrise Standard Window or the Polaris ThermalWeld series.

Review By John M. - Site Editor - Updated In 2024

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Window Nation Fortis Prices

The Window Nation Fortis series should cost $600 to $850 fully installed (on a normal sized window). This wide price range depends on a number of factors that include type of installation required (retrofit or new construction), upgrades selecteced, glass package, grids, etc. The installation will be the biggest factor as the labor on replacement windows typically accounts for 30% to 40% of the total cost of a project. We always recommend consumers get three to four bids in order to get a better sense of what the fair market price is for their window replacement project.

-- Window Itself: $400 to $550 --

-- Installation: $75 to $250 per opening --

-- Window & Installation: $600 to $850 -- *

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Window Nation Fortis Window Ratings

In terms of window ratings, the Window Nation Fortis double hung should deliver U values of .26, SHGC of .29, air infiltration of .05, and VT (visible transmittance) of .53. An upgrade to an Energy Saver Max triple pane option will deliver U-values of .20, SHGC of .25, air infiltration of .03, and VT (visible transmittance) of .42. The WN Fortis window is Energy Star Compliant in all regions.

In addition, the WN Fortis series has a design pressure of 50, which is quite impressive. The Fortis delivers strong ratings for a vinyl window, especially in its air infiltration, which is one of the most important numbers to look at. The only other Window Nation vinyl window similar to the upgraded Window Nation Potomac-hp windows.

Window Nation Fortis Warranty

The Window Nation Fortis series window includes a limited lifetime warranty on the frame, hardware, and locks. The Fortis warranty should include glass breakage, although inquire with your local Window Nation branch whether this applies to their Fortis warranty.

The Window Nation Fortis warranty does not include the labor costs for replacing or repair your window, nor the cost of delivery. As with all window warranties, ask to see the specific warranty provisions prior to your purchase.

Window Nation Fortis Reviews

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