NuTone: From Your Front Door to Your Phone: Reliable Home Security is KNOCKing

HARTFORD, Wis., Aug. 17, 2017 -- In the midst of the Great Depression, a young entrepreneur named J. Ralph Corbett developed the first melodious door chime, replacing the antiquated door buzzers of the time. His development helped revolutionize the 20th century home industry and launched the company known today as NuTone. More than 80 years later, Corbett's forward-thinking design continues to inspire residential product engineers at NuTone, who are proud to announce the launch of NuTone Knock , the company's revolutionary new video doorbell.