The Zen Karma window is the entry-level vinyl window model. They have branches in Cleveland, Cincinnati, Columbus, Philadelphia, Washington D.C., Chattahoochee Valley (serving Georgia and Alabama), Denver, Houston and Austin. There are a number of additional locations, these are just the ones we could track down.
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The Zen Karma is a relabeled Soft-Lite Barrington. While the Barrington isn't a great vinyl window like the Soft-Lite Elements or the Soft-Lite Imperial LS, it is not a bad entry level window.
The Karma model comes standard with double weatherstripping, a constant force balance system,a simple lock and tilt latch, and a simple exterior molding. Consumers should be able to order the Karma in either a brown, white or beige (available on both the interior and the exterior).
The Zen Karma window is certainly not the star of the Zen models, but it's not a bad window. However, for anyone considering Zen Windows, I would strongly recommend stretching into either the Zen Lotus or Zen Nirvana windows.
Review By Jim R. - Site Editor 
Consumers can expect the Zen Karma to run $----- for the window itself. (We cannot list window prices for the Zen models.) Comparable window costs include Sunrise Essentials pricing and Milgard Styleline window prices.
-- Window Itself: $----- per square foot --
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The Zen Karma double hung window with the 3/4" low E glass will should produce a .30 U factor, .31 SHGC, and .57 visible transmittance.
An upgrade to the Ultra glass will lower these numbers - .23 U-factor, .27 SHGC and .45 visible transmittance. All of these performance numbers are available on the NFRC.org website, although they are posted on Soft-Lite, who makes the actual Zen Karma.
The Zen Karma window includes a limited lifetime warranty on the vinyl mainframe and sash, a 10 year warranty on any exterior laminate, PVC coatings and any internal mini blinds.
The Ken warranty is transferable, although it requires both a transfer fee (typically $50) and an official notification to Soft-Lite of the transfer. Limitations and exclusions do apply to this warranty, so consumers should read the warranty terms in total prior to their purchase.
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Questions about the Zen suite of products? Our site editors can answer many (perhaps not all) of your questions on this franchised Soft-Lite company.