Abstract: A drive apparatus (1) for a fire damper (2) comprises an electric drive (10), which holds the fire damper in the normal position when power is supplied and moves it into a safety position when no power is supplied. In addition to a thermal contact breaker (12), which interrupts the power supply to the drive (10) at a melt temperature, the drive apparatus (1) also comprises a temperature sensor (13) for measuring the air temperature value (T), a gas sensor (14) for measuring the content (G) of fumes in the air, and a switch module (15), which interrupts the power supply depending on the air temperature value (T) and the content (G) of fumes in the air. In the event of a fire, the fire damper can thus be moved into a safety position not only when the temperature in the region of the thermal contact breaker (12) is high, but already when smoke or gas develops as a result of the fire.

Abstract: Provided is an easy-to-design, inexpensive air-conditioning apparatus in which an external static pressure and an airflow are calculated without using a static-pressure detector and an indoor-unit-side fan is controlled using those values. An air-conditioning apparatus according to the present invention is configured such that a control unit (indoor-unit-side control unit stores an external static pressure of an indoor unit calculated from a rotation speed of an indoor-unit-side fan when the airflow of the indoor-unit-side fan is controlled to a predetermined rated airflow and controls the rotation of the indoor-unit-side fan so that the external static pressure of the indoor unit obtained thereafter from the rotation speed of the indoor-unit-side fan approaches the stored external static pressure.

Abstract: Use of compressed air for indoor ambient temperature conditioning. Thermal energy is imparted to or extracted from compressed air, and the compressed air is released inside a structure enclosing a space. The compressed air may be used as a direct heat conduction/extraction medium. A flow of external air is created over a heat exchanger mass, so that thermal energy of the compressed air flowing inside the heat exchanger mass is transferred to the external flow of air flowing outside the heat exchanger mass. In addition to being a direct heat conduction/extraction medium, the compressed air is used as heat transfer medium, that ultimately gets mixed with the flow of external air. Fresh external air may be used. A local feedback loop may be used to route back a portion of temperature-conditioned air to regulate a flow of external air over a heat exchanger mass.

Abstract: In exemplary implementations of this invention, control apparatus for a HVAC system provides personalized comfort control. It can adjust local conditions in different rooms within a building in order to maximize the perceived comfort of individual occupants. The control apparatus locates individuals within a building. For each individual, it senses temperature, humidity and other parameters at the individual's location, calculates a comfort metric indicative of the user's comfort, and can control the flow of chilled or heated air to the individual's location in order to adjust local conditions to maximize the individual's comfort.

Abstract: An indoor unit includes: a casing formed with a suction port and a blow-out port; a plurality of fans provided in parallel in the casing; a heat exchanger provided on the downstream side of the fans and on the upstream side of the blow-out port; a horizontal wind direction control vane provided at the blow-out port to control the horizontal direction of an airflow blown out from the blow-out port; a vertical wind direction control vane provided at the blow-out port to control the vertical direction of the airflow blown out from the blow-out port; and an infrared ray human detection sensor configured to detect the position of a person present in a room, and air volumes, the orientation of the horizontal wind direction control vane, and the orientation of the vertical wind direction control vane of the fans are each controlled according to results of detection by the infrared ray sensor.

Abstract: A building includes exterior walls that form spaces which are selectively vented under control of a control system. Vents are operated to retain trapped air or exhaust trapped air to improve the energy performance of the building. Vents with selectively operable dampers may be located proximate a top of a wall or wall section of wall. Vents may also be located proximate a bottom of a wall or wall section to allow drainage of liquid and circulation of air. Various specific wall constructions provide for an air gap between layers of exterior sheathing of the exterior wall. The air gap may be in addition to a space between interior and exterior sheathing, which space may include a thermal insulation material (e.g., fiberglass batting).

Abstract: An Electronically-Controlled Register vent (ECRV) that can be easily installed by a homeowner or general handyman is disclosed. The ECRV can be used to convert a non-zoned HVAC system into a zoned system. The ECRV can also be used in connection with a conventional zoned HVAC system to provide additional control and additional zones not provided by the conventional zoned HVAC system. In one embodiment, the ECRV is configured have a size and form-factor that conforms to a standard manually-controlled register vent. In one embodiment, a zone thermostat is configured to provide thermostat information to the ECRV. In one embodiment, the zone thermostat communicates with a central monitoring system that coordinates operation of the heating and cooling zones.

Abstract: A dual air cavity roof has a continuous upper cavity which is cooled by fans, while the lower cavity is generally sealed. Preferably the cavities are separated by a radiant barrier. The fans are preferably powered by one or more photovoltaic cells that are also disposed on the roof. The roof can be pre-cooled with cooler night air and fans only activated when necessary to remove heat from the solar load on the upper cavity. When it is desirable to remove heat, the fan speed is optimized in each zone of the roof to enhance the natural convective flow to the optimum level. A radiant barrier can also cover the roof substrate, which is optionally an existing roof that is in need of repair. The roof structure is preferably assembled in parallel modules using insulating support brackets that support the outer surface and the barrier that separates the upper and lower cavity.

Abstract: A system for controlling a fan in a vehicle comprises an ambient temperature module that generates an ambient temperature enable signal when ambient temperature is within a vaporization window. An engine component monitoring module that generates a vaporization temperature enable signal when an engine component in an engine compartment has an estimated outer surface temperature that greater than a water vaporization temperature. A vehicle speed module generates a speed enable signal when the vehicle speed is less than a first vehicle speed. A fan turn-on module that selectively turns on a fan based on the temperature enable signal, the vaporization temperature enable signal and the speed enable signal.

Abstract: Combined control patterns corresponding to the actual control coordinates point (px) are formed by morphing a shape of the model control patterns PA, PB, PC having J pieces and corresponding to each morphing coordinates (pa, pb, pc), in the control pattern space CPS extended by the second type of input variable ? and the output variable ?. The morphing is performed according to weight between the morphing coordinates (pa, pb, pc) in the M-dimensional input space MPS and the actual control coordinates point (px). Combined control patterns Px are formed, and output variable value ? corresponding to the input value (px) based on the combined control pattern Px is calculated.

Abstract: A method and apparatus for attic fan power controller with remote control have been disclosed. In one version a solar array and/or a power line source provides energy for a fan determined by a control box which also interfaces with a remote control.

Abstract: A tractor cooling system for chilling the cabin of a trucking tractor vehicle towing a refrigerated trailer. The cooling system is a closed loop recirculation system that utilizes a high thermal conductivity heat exchanger that isolates chilled air and through flexible hoses that supply and return forced air at a constant volume and thereby providing comfort to the driver during warm weather and without idling the engine and while stationary.

Abstract: A method, system, apparatus, and device to provide an effective, automatic means to effect exhaust, supply, or balanced ventilation, or a combination thereof, by automatically activating a ventilation fan for the selected operation time per cycle interval based on prior fan operation due to automatic cycle operation and user demand. In a second embodiment the ventilation fan controller automatically activates said ventilation fan in conjunction with operation of a blower of a central air conditioning system. In a third embodiment, the ventilation fan controller also automatically operates the blower for the selected operation time per blower cycle interval, including operation due to thermostat and/or humidistat demand and operates the ventilation fan in conjunction with operation of the blower and/or for the minimal time selected per interval, including operation due to user demand. Optionally, a position of an outside air intake damper is controlled in conjunction with activation of the blower.

Abstract: A system for regulating the amount of outdoor air that is introduced into a building determines characteristics of the outdoor air using sensor inputs. The system uses extremum seeking control logic to vary the flow of outdoor air provided into the building in response to the cooling load determinations.

Abstract: An HVAC controller is described that is configured to be more intuitive and user friendly to program and operate than convention HVAC controllers. In some instances, the HVAC controller may include a touch screen interface that provides greater flexibility in displaying information to the user and/or soliciting information from the user.

Abstract: A method for environmental management of a vehicle includes the steps of determining certain environmental conditions for the vehicle, and determining when it is desirable to defog the window based on the determined environmental conditions. A status of manual overrides is determined, and at least some automatically controllable functions of an HVAC system are implemented to effect defogging of a vehicle window when it is determined that none of the manual overrides has been selected.

Abstract: A cooling device for an acoustic apparatus includes a cooling fan that is turned on and off, and adjusted in quantity of airflow in accordance with an apparatus temperature, wherein when the apparatus temperature is lower than a value requiring immediate cooling, and when an audio output is in a mute state, the cooling fan is not changed in operating state.

Abstract: An apparatus for managing an infrastructure having one or more three-dimensional (3D) packages and a plurality of cooling resource actuators, each of the 3D packages including a plurality of heat sources, includes a heat source manager configured to determine heat load profiles of the heat sources. The apparatus also includes a cooling resource manager configured to determine capabilities of the plurality of cooling resource actuators to meet heat load demands of the plurality of heat sources based on the heat load profiles of the plurality of heat sources and an integrated thermal manager configured to match the capabilities of the plurality of cooling resource actuators to the heat load profiles of the plurality of heat sources.

Abstract: Embodiments of the invention comprise systems and methods for using the geographic location of networked consumer electronics devices as indications of occupancy of a structure for purposes of automatically adjusting the temperature setpoint on a thermostatic HVAC control. At least one thermostat is located inside a structure and is used to control an HVAC system in the structure. At least one mobile electronic device is used to indicate the state of occupancy of the structure. The state of occupancy is used to alter the setpoint on the thermostatic HVAC control to reduce unneeded conditioning of unoccupied spaces.

Abstract: A system having: a midplane having air flow channels therein; a disk drive mounted to a first side of the midplane; and a temperature sensors mounted to the midplane. The system includes a pair of electrical chassis connected to a second side of the midplane. A first one of the chassis has therein: a fan; and a fan controller for controlling speed of the fan in response to a temperature control signal. A second one of the chassis has therein: a microprocessor for: detecting temperature signals produced by the temperature sensors; comparing differences between the detected temperature signals; and selecting one of the detected temperature control signal from the compared differences as the temperature control signal. A faulty one of the temperature sensors is detected by: selecting one of the detected temperature control signal as the faulty one of the plurality of temperature sensors from the compared differences.

Abstract: A method for providing energy-efficient temperature and humidity control with uniform ventilation air distribution in a constant-volume zoned heating and cooling systems. The method utilizes an air-to-air heat exchanger that regulates the temperature of the supply air to a space, using the temperature differential between supply air and return (room) air and regulating the flow of return air through the heat exchanger.

Abstract: The invention is a modular heating, cooling and humidifying unit designed to fit within, or be interposed between segments of existing air ducting systems. The invention includes a plenum through which air is received from a central system within a structure, and which discharges heated, cooled and/or humidified air to a particular compartment within the structure, such as a room. The invention includes within the plenum a heating coil, a cooling coil and a humidifier, one or more dampeners and one or more air filters. Each of these elements is provided with controls which may be both manually and automatically operated to regulate the temperature and humidity of air being discharged into the desired room or compartment.

Abstract: A humidity control system (10) is disclosed which includes a refrigerant circuit (60). The refrigerant circuit (60) includes first and second absorbent-supported heat exchangers (61, 62) and performs a refrigeration cycle by the circulation of refrigerant. In addition, in the refrigerant circuit (60), the circulation direction of refrigerant is reversible. The first and second heat exchangers (61, 62) are disposed in a casing (11). In the humidity control system (10), the distribution route of air is changed such that a first air stream is passed through either one of the first and second heat exchangers (61, 61) that is functioning as an evaporator while a second air stream is passed through the other heat exchanger that is functioning as a condenser. A compressor (63), an expansion mechanism (65), and a four-way valve (64) in the refrigerant circuit (60) are disposed together with the heat exchangers (61, 62) in the casing (11).

Abstract: Methods and systems for automatically calibrating one or more damper positions of a demand control ventilation system are disclosed. In one illustrative embodiment, a demand control ventilation system includes a damper for controlling a flow of outside air into a building. A controller may be programmed to automatically execute a calibration algorithm from time to time to calibrate one or more calibration damper positions such that a predetermined flow of outside air is drawn through the damper and into the building at each of the one or more calibration damper positions. This calibration can, in some instances, help increase the efficiency and/or utility of the demand control ventilation system.

Abstract: Methods and systems for remotely monitoring and/or controlling a demand control ventilation system are disclosed. In one illustrative embodiment, a demand control ventilation device having a damper and a controller are provided. The damper may have a range of damper positions for controlling a flow of outside air into the building. The controller controls the damper positions such that a desired flow of outside air is drawn through the damper and into the building. A remote monitoring device may also be provided. The remote monitoring device may be located remotely from the demand control ventilation device, but in communication with or part of the controller. In some instances, the remote monitoring device may have a user interface for remotely monitoring and/or controlling at least certain aspects of the demand control ventilation system from the remote location.

Abstract: The disclosure relates to a Demand Control Ventilation (DCV) and/or Economizer system that is capable of drawing outside air into an HVAC air stream. In some instances, the DCV and/or Economizer system may be configured to help perform one or more system checks to help verify that the system is functioning properly. In some instances, the DCV and/or Economizer system may provide some level of manual control over certain hardware (e.g. dampers) to help commission the system. The DCV and/or Economizer system may store one or more settings and or parameters used during the commissioning process (either in the factory or in the field), so that these settings and/or parameters may be later accessed to verify that the DCV and/or Economizer system was commissioned and commissioned properly.

Abstract: The present invention includes a frame that is quickly and easily assembled and disassembled. The frame may be used for supporting a portable forced air heater, or other similar equipment. Handles, supports, and optionally a wheel assembly is assembled to two core members using snap lock buttons. In a preferred embodiment, the portable forced air heater includes a maintenance clock for measuring and recording operational parameters of a portable forced air heater, and for notifying a user that maintenance is required.

Abstract: A zone-based heating, ventilating, and air conditioning (HVAC) system uses occupant sensors and controllable vents to favor environmental conditions in occupied areas. A plurality of comfort delivery devices are provided, each being associated with at least one of the zones, each comfort delivery device being responsible for delivering a change in climate to its respective zone through the HVAC unit. A sending unit is disposed in each zone, the sending unit including a first sensor for determining whether the zone is occupied by one or more persons, a second sensor for determining an environmental condition in the zone, and a communications device for outputting a signal relating to the occupancy and environmental condition. A control unit includes an input for receiving the signal from each sending unit and selectively activating and deactivating the comfort delivery devices to prioritize the climate control provided by the HVAC unit to zones that are occupied.

Abstract: The present invention provides a system and method for manually balancing the volume of air supplied through at least one duct to a conditioned space the system including a damper rotatably mounted within the air duct by a damper shaft having a first and second ends, an electronic pulse actuator responsive to an electronic pulse being associated with the first end, a housing associated with the electronic pulse actuator is generally adapted for operably connecting the electronic pulse actuator to the air duct and a remote positioning unit in electric communication with the electronic pulse actuator where the damper is rotated between an open and a closed position for manually balancing the conditioned space to receive the desired volume of air.

Abstract: The invention relates to a control device for use in a vehicle having a climate-control system. Means are provided for switching the ventilation to recirculated air operation. A first sensor for measuring the tendency of the window to become misted is arranged behind the recirculated air flap at the side facing the inner space of the vehicle.

Abstract: An Electronically-Controlled Register vent (ECRV) that can be easily installed by a homeowner or general handyman is disclosed. The ECRV can be used to convert a non-zoned HVAC system into a zoned system. The ECRV can also be used in connection with a conventional zoned HVAC system to provide additional control and additional zones not provided by the conventional zoned HVAC system. In one embodiment, the ECRV is configured to have a size and form-factor that conforms to a standard manually-controlled register vent. In one embodiment, a zone thermostat is configured to provide thermostat information to the ECRV. In one embodiment, the zone thermostat communicates with a central monitoring system that coordinates operation of the heating and cooling zones and provides heating and cooling to the various zones according to a cost budget.

Abstract: Sensors, apparatus and methods are disclosed for detecting airflow direction between two volumes. The preferred airflow sensor includes a tube for conducting an airflow stream between the volumes, a first temperature sensor sensing ambient temperature in the first volume and a second temperature sensor sensing temperature of the airflow stream in the tube. A heat source heats air in the tube adjacent the end thereof communicating with the second volume and a comparator receives and compares output signals from the temperature sensors, providing an output indicative thereof. Various means are provided responsive to the output advancing appropriate response thereto. The disclosed sensors, apparatus and methods are particularly well adapted for indicating positive and negative pressure differentials at flues associated with combustion appliances.

Abstract: The disclosure provides an auxiliary controller of a HVAC system, a method of manufacturing a HVAC system, a method of starting a HVAC system and a HVAC system. In one embodiment, the HVAC system includes: (1) a main system controller having a main non-volatile memory and configured to direct operation of the HVAC system and store main controller application information associated therewith on the main non-volatile memory (2) an auxiliary controller having (2A) an interface coupled to the main system controller and configured to communicate therewith, (2B) a processor, coupled to the interface and configured to direct the operation of a component of the HVAC system and (2C) an auxiliary non-volatile memory configured to receive a copy of the main controller application information via the interface and store the main controller application information thereon.

Abstract: An automatic air duct register system operating within an HVAC system comprises an automatically controlled register. The register includes louvers which are electromechanically adjusted in order to control the airflow through the register. The register may be opened or closed, responsive to a programmable electronic timer or clock, an occupancy sensor, or in response to a measured temperature. The register system may be part of a control network, wherein the network communicates programming information to the register system, and wherein the network reads information from the register system. The register system may be self-powered, utilizing an electrical generator powered from airflow from the duct attached to the register system.

Abstract: In a method of controlling vent tiles, the vent tiles are initially correlated with at least one rack. A vent tile family (VTF) of the at least one rack is determined, where the VTF includes vent tiles that have at least a predefined level of influence over the at least one rack as determined by the correlation between the vent tiles and the at least one rack. In addition, a vent control family (VCF) from the vent tiles in the VTF is identified, where the VCF includes vent tiles having an associated at least one rack whose inlet condition is outside of a predefined threshold. Moreover, the vent tiles in the VCF are controlled on a weighted basis determined by the correlation between the vent tiles and the at least one rack.

Abstract: An air-conditioning control apparatus for controlling an air conditioner configured to supply conditioned air into a space to be air-conditioned so that a temperature of a predetermined section in a plurality of sections in the space to be air-conditioned becomes a set temperature, the air-conditioning control apparatus comprising: a detecting device configured to determines the number of people in the predetermined section; and a controller configured to correct the set temperature so as to be decreased if the number of people is increased and so as to be increased if the number of people is decreased.

Abstract: A system having: a midplane having air flow channels therein; a disk drive mounted to a first side of the midplane; and a temperature sensors mounted to the midplane. The system includes a pair of electrical chassis connected to a second side of the midplane. A first one of the chassis has therein: a fan; and a fan controller for controlling speed of the fan in response to a temperature control signal. A second one of the chassis has therein: a microprocessor for: detecting temperature signals produced by the temperature sensors; comparing differences between the detected temperature signals; and selecting one of the detected temperature control signal from the compared differences as the temperature control signal. A faulty one of the temperature sensors is detected by: selecting one of the detected temperature control signal as the faulty one of the plurality of temperature sensors from the compared differences.

Abstract: [Problem to be Solved] An object is to provide an electric heating device that can heat fluid efficiently at a time of intermediate output, and a vehicle air conditioner including the electric heating device. [Solution] To include a plurality of flow paths in which fluid flows and a plurality of heating modules arranged adjacent to the flow path and including heating elements that generate heat by energization. At the time of intermediate output, the heating element in the heating module provided adjacent to a flow path among the plurality of flow paths having a relatively large flow rate of fluid is energized.

Abstract: A control apparatus for operating an exhaust fan in order to control humidity and odor in an enclosed confine includes a switch mounted within a path of electric power between an electric power source and the exhaust fan. A humidity sensor outputs a humidity signal defining level of relative humidity within the enclosed confine and a resistive voltage divider provides a reference voltage signal. A comparator compares the humidity signal with the reference signal and provides a control signal when a value of the humidity signal is equal to or greater than a value of the reference signal, the control signal causing the switch to supply the electric power to the exhaust fan. A timing circuit is activated by the control signal and is operable to maintain presence thereof for a predetermined period of time when the value of the humidity signal decreases below the value of the reference signal.

Abstract: An HVAC sensor assembly for sensor deployment within an HVAC air passage defined by passage walls is provided. In some instances, the HVAC sensor assembly includes a base mountable to a passage wall of an HVAC air passage, and a support member attached to and extending out from the base and configured to project into the HVAC air passage. The HVAC sensor assembly may include one or more HVAC sensors secured to the support member such that the one or more HVAC sensors are positionable and then maintainable at a field configurable distance from the base.

Abstract: A cooling controlling apparatus that cools an electronic apparatus includes a cooling fan that discharges air in an inside of the electronic apparatus to an outside of the electronic apparatus; an intake air temperature detector that detects a temperature of air taken into the electronic apparatus by the cooling fan; a part temperature detector that detects a temperature of an electronic part arranged inside the electronic apparatus; and a fan controller that controls a rotation number of the cooling fan based on the detected temperature of the electronic part and the detected intake air temperature.

Abstract: A heating ventilating air condition system, comprising an adjustable air vent, configured to control the rate of air flow rate through the vent, an actuator, configured to control the adjustable air vent, and an ambient energy harvester, configured to supply energy to the actuator, wherein the energy required for operating the actuator is provided by the ambiance.

Abstract: A controller equipped with a controller interface configured to accept one or more input parameters is disclosed, including methods for programming such devices. An illustrative controller interface may include a number of knobs, slides, buttons, or other input means for setting various set-points within the controller that can be used to control one or more HVAC system components of a building or structure. The input parameters may correspond directly to physical parameters of the building or structure being regulated, allowing the user to program the controller without having an extensive knowledge of HVAC systems or their operation.

Abstract: An electronic equipment enclosure for outdoor deployment includes a housing defining an interior and having an intake port, an exhaust port, an airflow path extending from the intake port to the exhaust port, and an equipment bay for receiving the electronic equipment. The equipment bay is positioned in the airflow path. The equipment enclosure further includes an intake fan for creating positive pressure within the interior of the housing and a pressure-activated damper having an open position for allowing air to exit the enclosure through the exhaust port in response to positive pressure within the interior of the housing and a closed position for preventing external air and/or water from entering the enclosure through the exhaust port when the intake fan is not operating. Other example equipment enclosures and methods are also disclosed.

Abstract: A register assembly for augmenting the flow of conditioned air from a central air-conditioning unit to a room includes a fan, a temperature sensor, and a processing means. The fan is operably positioned for increasing air flow through the register assembly. The temperature sensor is for measuring a temperature of air in the register assembly and for outputting a measured temperature signal. The processing means is for: receiving the measured temperature signal; using the measured temperature signal in determining whether the central air-conditioning unit is providing conditioned air to the room; and activating the fan to augment the conditioned air flow if the central air-conditioning unit is providing conditioned air to the room. The processing means also provides drift compensation to prevent unwanted operation of the fan due to temperature drifts.

Abstract: An HVAC sensor is provided that includes a housing that houses a sensor. In some instances, a conduit is provided that has a first end that extends out the back of the HVAC sensor housing and adjacent to (and sometimes through) a hole in a duct of the HVAC system that is situated behind the HVAC sensor. The sensor itself may be positioned adjacent the other end of the conduit outside of the duct, and sometimes inside the housing of the HVAC sensor. The conduit may direct pressurized air emanating from the hole in the duct toward the sensor, thereby allowing the sensor to sense a parameter of the air in the duct without actually positioning the sensor within the duct.

Abstract: A zone controller having an electronic board with a plurality of electronic components attached thereto. The electronic components are constructed and arranged to receive a plurality of signals from a plurality of thermostats and to transmit a plurality of signals to a plurality of air control devices for controlling airflow in ducts. The electronic components include a first grouping of electronic components that are not accessed to perform either installation or operation functions, a second grouping of electronic components that are accessed to perform installation functions, and a third grouping of electronic components that are only accessed to perform operation functions. A first cover is provided that covers and prevents access to the first grouping of electronic components. A second cover is provided that selectively covers and prevents access to the second grouping of electrical components but not the third grouping of electrical components.

Abstract: In a demand control ventilation (DCV) system, ID codes of tags worn by occupants are detected in each room by a tag detector and wirelessly communicated to a zonal occupancy compiler. The zonal occupancy count arrived at by the compiler is transmitted to a DCV microprocessor, which interfaces with the ventilation controller of the building's HVAC system and sets the zonal ventilation rate based on the occupancy count and applicable ASHRAE standards.

Abstract: When there is no occupant in seats other than a driver seat during a foot mode, an air-conditioning controller executes a single seat concentration mode to prevent blowing of warm air to a passenger seat and a backseat by closing foot outlets on a passenger seat side and a backseat side. In this case, in order to maintain an air volume blown from the foot outlet on a driver seat side when the controller changes the mode from the normal foot mode to the single seat concentration mode, the controller sets a blower level to be lower than in the case of the normal foot mode with respect to the same target blown air temperature. Thus, an electric power consumed by an electric motor of a blower can be reduced, thereby realizing energy saving.

Abstract: Techniques for controlling air conditioning and transfer air in an occupied space are described. The example of a commercial restaurant is provided. Features of model based control and integration of load predictors is also described.