Computer controlled systems for access control that performs security, access control, access logging and authentication, fire alarm, HVAC control, and energy monitoring and control comprising central processing units, network communication devices, interface cards, electronic controllers, video and audio capture units, electronic messaging interfaces, keypads, card readers, scanners, biometric readers, electric door sensors, database control hardware and software, photo imaging hardware and software, CCTV, paging and perimeter sensors, display monitors, and remote terminals; central processing units; network communication devices, namely, computer processors, transceivers and embedded software for executing functions of access control systems, TCP/IP network cards, routers, wireless routers, matrix switches; interface cards for data processing in the form of printed circuits; electronic controllers for access control systems; video and audio capture units in the nature of digital and analog video recorders, electronic messaging interfaces for computers, keypads for access control systems, electronic card readers, optical, fingerprint, barcode, retina scanners, biometric optical readers, electric door sensors; database control systems comprised of computers and software for storage and retrieval of data stored in databases, photo imaging systems comprised of optical scanning devices, digital and analog video cameras, digital and analog video recorders, camera positioning devices, namely, PTZ platforms and controllers therefor, computers and software for motion detection and facial imaging and recognition; CCTV, paging and perimeter sensors systems comprised of motion detectors, sonic sensors, infrared sensors and controllers therefor, video display monitors, and remote computer, display and data entry terminals