Patent ID: 6965813

Claim:
A climate control system comprising: at least one smart window that variably reduces the transmission of heat radiation through a window into a room; a climate control unit coupled to and adapted to control the smart window; a usage detection system for detecting if the room is in use or not, the usage detection system being coupled to the climate control unit, and providing a “non-use signal” when the room is not in use and an “in-use signal” when the room is in use, wherein the climate control unit is arranged to set the smart window in a non-transparent mode, in response to a “non-use signal” from the usage detection system, whereby a substantial part of the heat radiation is prevented from entering the room, wherein the climate control unit is arranged to set the smart window in a transparent mode, in response to an “in-use signal” from the usage detection system, whereby a normal daylight level is permitted to pass through the window, and wherein the usage detection system detects an identification device carried by the user into the room and provides the “in-use signal” in response to the detection.