I had (6) windows put in by Champion windows of Omaha nebrasaka 3 years ago and have had nothing but problems with them leaking air. The sevice techs have come out numerous times and tried all kinds of band-aid fixes that never work and have finally told me there is nothing more they can do to fix them. Their sales pitch is "we make the windows we install the windows and we stand behind the windows" their warranty states life-time warranty for as long as you own the home. I finally filed a claim with the BBB of Omaha ne, on my first... read full review »