We used Alside's replacement windows in our entire house. Within two months one window just cracked with no apparent reason. They replaced that under the life time warranty. Six months after it was replaced another window cracked. I contacted them again and their reply was that the glass was not covered. Since glass is the biggest component of a window the warranty is basically useless. I believe that they are using an inferior glass and selling "lifetime" warranties with no intention of living up to their promises. I replaced my... read full review »