HOMEINSTALLATION. A collaborative group of retired guys with poor and unprofessional follow-up. a) Surveillance guy installed a noisy power supply, it has been over a year since a call with a promise to fix. b) Universal programing remote ‘specialist’ provided faulty used equipment at full prices; once it stopped working he relied on guaranteed of replacement — time while we waited. c) Dr. Stero never returned our calls in order to incorporate more speakers to the system.