Zen Karma Windows Reviews
The Zen Karma window is the entry-level vinyl window model. Zen Windows are a franchise business of Soft-Lite, with branches in many of the major cities across the United States (although there aren't many branches in the western half of the U.S.) The Zen Karma is actually 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 - 2015
Zen Karma Windows Ratings
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.