Where can I buy Nucleus? Jacqueline DeJesse Updated September 07, 2016 22:31 Follow Nucleus is available for purchase at Amazon.com, Lowes.com, Lowes stores, and the Nucleus website. Related articles Are there additional fees associated with my Nucleus device? How much does Nucleus cost? The video quality is very poor when I make a call Will Nucleus fit on my wall? I need to contact Support about my Nucleus Comments 0 comments Please sign in to leave a comment.