At NexGen Exteriors we dedicate ourselves in providing the best quality options in windows and doors matched with the highest quality installation methods and materials in the market today. We have been locally owned and operated in Andover, MN over 23 years and are dedicated to quality and customer service. Our commitment to excellence is matched by our ongoing efforts in expanding our knowledge of new products and materials that have greater longevity and performance at such high altitudes and dry climates.