Computer hardware, firmware and software for use in accessing, monitoring, and controlling, via a television, all the following systems-- climate and environment systems, namely heating, air-conditioning, ventilation and circulation, security systems, namely perimeter and intrusion detection, fire, smoke and gas detection, and audio and video surveillance of interior and exterior of premises, lighting systems, namely interior and exterior lights, window treatments, namely drapes, curtains, blinds, mini-blinds and shades; audio and audiovisual entertainment systems, namely functions of audio and audiovisual equipment such as CD, DVD and VCR players and recorders, radio, TV and satellite tuners, laser disc players, MP3 players, and CRT, LCD, digital light processing, plasma and video projector displays, audio and audiovisual entertainment distribution systems, namely distribution of audio and audiovisual entertainment media to audiovisual devices, video display components and mountings, namely mechanized mountings and receptacles for video projectors, video projection screens and panels, pool and spa controls, namely control and monitoring of temperature, cleaning cycles and display of alarm events