Abstract: Disclosed is a smoke control system provided in a high-rise building for separately supplying leakage air flow and supplementary air flow, including: a blowing means for supplying air into a building; a ventilating means having a leakage air flow supplying passage and a supplementary air flow supplying passage connected to the blowing means for introducing air; and an air supply damper connected to the leakage air flow supplying passage and the supplementary air flow supplying passage to supply air into each lobby of a building according to the leakage air flow and supplementary air flow.

Abstract: The invention discloses a ventilation system including an inner, an outer tube and an air intake and exhaust apparatus. The inner tube has one end extending in a radial direction, wherein an air outlet and an air outlet are formed on the inner tube. An exhaust channel is formed between the inner and outer tubes, and the supporting member is disposed in the exhaust channel. The air intake and exhaust apparatus comprises an elevating member, a plurality of driving members and a cover plate. The elevating member has a connection block. The driving members are made of expandable material. The cover plate is rotatably coupled with the inner tube and has a connection portion. The connection portion abuts against the connection block when the driving members are not expanding. The connection portion of the cover plate disengages from the connection block when the driving members are expanding.

Abstract: A ventilation gas management system and process for an enclosure adapted to contain fluid supply vessel(s) and through which ventilation gas is flowed to provide safe operation in the event of leakage of fluid from a vessel. Ventilation gas flow is modulated to accommodate various hazard levels associated with the deployment and operation of such enclosure containing fluid supply vessel(s), e.g., a gas box or gas cabinet in a semiconductor manufacturing facility, thereby achieving reduction in ventilation gas requirements otherwise required for such deployment and operation.

Abstract: A return fan control system for an HVAC system comprises a supply fan control loop, a return fan control loop and a building pressure control system. The supply fan control loop comprises a duct pressure controller arranged to control a supply fan to a duct pressure setpoint. The return plenum pressure control loop comprises a return plenum pressure controller arranged to automatically control a return fan to a return plenum pressure setpoint determined by a setpoint reset function. The building pressure control system is operable to control a building pressure. The building pressure control system may comprise a building pressure control loop and an outside air control loop cooperatively arranged to control an exhaust damper in response to an outside air intake.

Abstract: This application describes methods and systems for ventilating a building. A method for ventilating a building includes drawing in air, using a central fan, for heating or cooling at least a portion of the building and exhausting air from the building using at least one exhaust fan. The exhaust fan can be automatically operated during time periods when the central fan is not switched on.

Abstract: In an air-conditioning control system, a ventilating device performs ventilation between an indoor space and an outdoor space, and an absence detecting unit for detecting absence of a human within the indoor space. An air conditioning controller adapted to operated, when the absence of the human is detected by the absence detecting unit, the ventilating device during at least a part of an absence period to control a thermal environment within the indoor space.

Abstract: In a climate control system for buildings, a number of renewable energy sources (photovoltaic and/or eolic, geothermal and the like) are utilized to obtain a flux of constant temperature fluid to be circulated into radiating pipes placed in continuous spaces or gaps defined in the perimeter walls and floors of said buildings. A desired variable flux of air is made to circulate in said spaces or gaps, to be heated or coiled by said radiating pipes. One said flux of air reaches the desired temperature, its circulation is stopped, to obtain a thermal insulating layer of air, in thermal equilibrium with the rooms to be air conditioned. In the matters of civil, trade, industrial, and also prefabricated buildings endowed with elevated features in heat-sound insulation, it has been utilized a particular simple method for the realization of system of hollow spaces or gaps situated between the outer and inner surface of the building, mainly based on the laying of a series of panels; i.e. thin metal sheets, located.

Abstract: In a vehicular air conditioning apparatus, a connection duct connects a first blower unit having a first blower fan to a side of a casing forming air passages, whereas a second blower unit having a second blower fan, different from the first blower unit, is connected to a lower portion of the casing. By driving the first blower fan and second blower fan simultaneously, air is supplied to a vehicle compartment from the first blower unit and the second blower unit through inside the casing. A controller controls the driving of the first blower fan and the second blower fan.

Abstract: An air filter system and an air filter therefor are provided for use in a building with first and second zones separated by a wall-door system having a wall with a door therein. Weatherstripping is mounted between side and upper edges of the door and a door frame in the wall and between the lower edge of the door and the threshold region of the floor to substantially seal against air flow between the door edges and the door frame and floor when the door is closed. An air flow permitting opening is provided in the wall-door system, sized to permit a controlled amount of airflow between the first and second zones when there is a pre-determined pressure differential between said zones. An air filter is mounted in such opening.

Abstract: The invention is an apparatus and method for filtering a volume of gas. In one embodiment, the invention is a filtering apparatus having a hollow vessel with inlets and outlets, channels in communication with the inlets and outlets, a form of filter media, and an uninterruptible flow controlling device for regulating the circulation of gas within the apparatus. In another embodiment, the invention is a method incorporating an uninterruptible filtering apparatus to remove evaporated liquid from a volume of gas by passing the gas over a filter media contained within a hollow vessel.

Abstract: An operation noise control method for an air conditioner includes: a step (S1) of detecting an operation mode of the air conditioner; a step (S2) of operating an air flow guide panel (20) in accordance with the detected operation mode and controlling the air flow guide panel (20) so as to form a duct-like outlet passage (10) in a vicinity of an outlet (5); a step (S3) of selecting a sound wave which is preset in accordance with the operation mode; and a step (S4) of radiating the selected sound wave in the duct-like outlet passage (10) from a speaker (21).

Abstract: A remote zone balancing damper and air flow sensor system comprising a differential pressure air flow sensor, a damper having an actuator, a remote terminal connected to the air flow sensor and the actuator, the remote terminal disposed a predetermined distance from the duct, the air flow sensor and damper mounted in a duct, and a detachable controller that is connectable to the remote terminal, the detachable controller configured to receive a signal from the remote terminal and to provide power to the actuator and thereby position the damper according to the calculated air flow.

Abstract: A technique facilitates the conditioning of air in an equipment room by utilizing external, ambient air and mixing the external air with warmer air from the equipment room to maintain the equipment room within a desired temperature range. In one embodiment, the technique employs an equipment room containing equipment which produces heat. Cool air is routed from an external environment into the equipment room through a cold air duct. Additionally, an exhaust air duct is used to enable the discharge of warm air from the equipment room to the external environment. The temperature of the incoming cool air is adjusted by flowing warm air from the equipment room through a crossover duct able to conduct all or a portion of the airflow routed through the equipment room.

Abstract: A ventilation system comprising a fan to bring air into a building or exhaust air out of the building, a rechargeable battery to power the fan in the absence of an alternative energy source, and an alternative energy harnessing device to power the fan and to recharge the rechargeable battery in the presence of an alternative energy source. A sensor may be operatively connected to a controller or logic circuit to measure environmental factors, wherein the controller utilizes the measured environmental condition to select the power source with which to activate the fan. The ventilation system is configured to be a modular device with versatile fasteners for easy installment in windows or attics without the need for modification of the building, such as cutting holes.

Abstract: A laundry transport apparatus and method includes a container defining an interior area configured to accommodate a plurality of laundry carts, the container having a door movable between closed and open configurations to selectively allow access to said interior area. The container is a trailer configured to be moved by a vehicle. The apparatus includes a ventilation network to pass air to and from the interior area, the ventilation network including an intake duct for channeling air to the interior area and an outlet duct for channeling air from the interior area. At least a portion of the intake and outlet ducts are immediately adjacent one another to influence temperature of air passing through each duct, warmer air passing through one of the intake duct or the outlet duct becoming cooler and cooler air passing through another of the intake duct or the outlet duct becoming warmer.

Abstract: A basement ventilator for use in a building to reduce basement humidity and increase basement air circulation, the basement ventilator includes a household inlet duct for receiving and ducting household air of the building; an interior exhaust vent in communication with the household inlet duct for venting the household air into the basement; a basement air inlet duct for receiving humid air from a lower region of the basement of the building; an exterior exhaust vent in communication with the basement air inlet duct and the outside of the building for venting the humid air from the basement of the building to the outside; and a fan device in communication with the household inlet duct, the interior exhaust vent, the basement air inlet duct and the exterior exhaust vent for drawing household air into the household inlet duct and exhausting the household air into the basement through the interior exhaust vent and for drawing air from the lower region of the basement into the basement air inlet duct and exhaust

Abstract: A cooling system for housed spaces, in particular telecommunication devices equipped with electronics cabinets in the form of containers, providing both an alternative solution to air conditioning units and a combined solution with existing cooling devices, wherein the energy consumption of the device is to be reduced to a minimum, among other things by employing a hybrid turbine.

Abstract: The present invention, accordingly, provides a fresh air recovery system preferably including at least one intake opening in a first wall defining a portion of an enclosed space allowing air on an exterior side of the first wall to pass through the first wall into the enclosed space; and at least one exhaust opening in a second wall defining a portion of the enclosed space allowing air on an interior side of the second wall to pass through the second wall into an ambient environment external to the enclosed space.

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: 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 ventilating device includes a housing; a gas concentration detector; a passage portion defining an outside air passage and an inside air passage; a permeable membrane disposed at an interface between the outside air passage and the inside air passage; an air sending portion to generate at least one of a flow of outside air in the outside air passage and a flow of inside air in the inside air passage; and a controller. The controller controls at least one of the flow of inside air and the flow of outside air by controlling the air sending portion, based on a gas concentration of a predetermined gas detected by the gas concentration detector.

Abstract: The invention relates to a control device for room air managing systems, comprising at least one or more rooms (32, 34) or room zones; an inlet air channel (22) and room inlet air channels (22a) branching therefrom; an exhaust air channel (20) and room exhaust air channels (20 a) branching therefrom; an inlet ventilator (16) in the inlet air channel (22); controllable inlet air throttle flaps (14) for the inlet air flow in the room inlet air channel (20a); and, controllable exhaust air throttle flaps (12) for the exhaust air flow in the room exhaust air channel (22a). According to the invention, there is provided a pressure sensor (38) that detects the room pressure in the room (32, 34) that is to be air conditioned, wherein the room pressure constitutes the direct control parameter for the opening position of the inlet air throttle flap (14) and/or the exhaust air throttle flap (12).

Abstract: Controls for the climate in a space (35) such as a building such as greenhouse, barn, office and house or such as a vehicle such as car, ship and aircraft. An organism (10) therein forms part of the control system for the climate in the space, and the controls comprise the at least co-controlling of the temperature of this organism. Use is here at made of at the level of the organism supplied, unsaturated, in dependence of directing by the controls conditioned air. The controls depart from a temperature registration of the organism and climate registration (temperature, air humidity and -speed) in the space at two respective height levels (A, B). With an at a first level established relation between climate parameters and organism temperature an expectation in organism temperature is determined on the basis of a change in the climate parameters at the second level.

Abstract: Apparatus and method for venting an attic where a central controller is connected to at least one temperature detector located inside the attic, at least one other temperature detector located outside of the attic, at least one attic vent clamp which is located in the roof to permit airflow through the roof when open to facilitate ventilation of the attic space, and at least one attic exhaust fan located within the attic. Data from the temperature detectors is processed by an algorithm in the central controller which, based on the information provided by the temperature detectors, operates of at least one attic exhaust fan and attic vent clamp either simultaneously or independently to control the temperature of the air in the attic.

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: A person-support surface comprises a non powered mattress and a coverlet positionable on the non powered mattress. The coverlet includes an entry positioned at a first end of the coverlet, an exit positioned at a second end of the coverlet opposite the entry, an upper air impermeable layer, and a lower air impermeable layer coupled to the upper air impermeable layer to form an air flow path along the coverlet between the entry and the exit. The upper air impermeable layer is a vapor permeable and the lower air impermeable layer is a vapor permeable.

Abstract: A helmet air conditioning unit configured for operation with a helmet having air flow spaces within an interior space thereof, the helmet air conditioning unit including an electrical ventilating fan with a housing portion having one or more exhaust ports positionable in fluid communication with the air flow spaces within the interior space of the helmet; a battery power supply connected to energize the fan; a solar power supply coupled to recharge the power battery supply; and a fan controller coupled for actuating the fan for generating a pressurized air flow at the one or more exhaust ports of the housing portion of the fan, whereby the pressurized air flow is directed through the one or more exhaust ports of the housing portion of the fan when the fan is actuated.

Abstract: An appropriately treated flow of air is supplied to a room in an automatically executed pulsed operation, in which the air flow is alternately switched on and switched off. The air flow is switched off independently of the room usage state if the regulated room comfort variables lie within a respectively assigned comfort band. If at least one of the regulated room comfort variables lies outside the comfort band assigned to it, the flow of air minimized in respect of its volume is supplied to the room. This means that ventilators used for the exchange of air will be operated at the lowest possible speed, optimized in respect of time and thereby with high energy efficiency.

Abstract: A method provides a ventilation control compliant with an adopted ventilation standard for efficient energy usage and conservation of energy resources. The method includes operating a home energy system to generate solar energy within a daily active period and draw fresh air from an ambient region, setting a daily ventilation period as a fractional period of a day, the ventilation period being coincident with the active period during a heating period for the home or a time period after the active period during a cooling period for the home, determining a target volume, determining a flow rate for delivering the fresh air during the ventilation period, performing ventilation in the ventilation period to deliver the fresh air into the home using the flow rate, and monitoring an accumulated total ventilation volume of the delivered fresh air until the accumulated total ventilation volume is within a vicinity of a target volume.

Abstract: The solar powered soffit fan includes an electric fan mounted over a soffit vent. A roof-mounted photovoltaic solar panel aimed at the sun delivers power to the soffit fan. During daylight hours, the photovoltaic solar panel provides sufficient electrical power to activate the soffit fan, which provides forced attic ventilation through the soffit vent. At night, the fan automatically powers down when sunlight no longer impinges the solar panel. A thermostat and/or humistat can be included for additional control of the unit. The fan can accept power from an optional rechargeable battery. Multiple soffit fans can be configured to service larger buildings.

Abstract: A heat exchange ventilator includes a plurality of heat exchanger elements provided with a heat-exchanger exhaust airflow path and a heat-exchanger intake airflow path. Exhaust airflow and intake airflow are guided to pass through one of the plurality of heat exchanger elements, and the exhaust airflow and the intake airflow are switched to the next heat exchanger element in a sequential order when a state of the heat exchanger element comes to a predetermined condition set based on adverse influences of ice formation inside a heat-exchanger exhaust airflow path. The structure prevents the heat exchanger element from icing to avoid the adverse influences, thereby making it capable of exerting the fundamental heat exchanging and ventilating function continuously.

Abstract: A residential controller is described which is used to manage the mechanical ventilation systems of a home, installed to meet whole-house ventilation requirements, at the same time reducing energy costs. This is achieved in part by shifting the ventilation load of the whole-house system to off peak hours and by taking into account exogenous mechanical ventilation induced by other systems. The controller is linked by wire or wirelessly to other house ventilation systems using any one of a number of communication protocols, sensing the on-off status of such exogenous systems. An operational algorithm preloaded and/or modified at the point of use is used to control the on-off status or fan speed of a whole-house ventilation fan which forms a part of the home ventilation system, the operating status of the whole-house fan in part responsive to the status of other home ventilation systems, and in part based on time of day.

Abstract: In combination with an engine compartment including an engine, a hood, and at least two front quarter panel side walls defining an interior engine compartment, an engine compartment cooling system includes a clear hole made in at least one of the side walls positioned between a passenger compartment and a forward portion of a fender wheel well. At least one axial fan assembly has a fan housing, a plurality of fan blades, a motor shaft, and a fan motor. The fan assembly is mounted in the clear hole. A fan motor controller is connected to the fan motor, and a heated air flow path, which originates from the engine, is exhausted outwardly through the fan assembly into an ambient air flow for cooling of the engine compartment.

Abstract: A total heat exchanger unit includes a controller for, upon receipt of a stop signal for stopping optional ventilation operation, terminating the optional ventilation operation and starting forced ventilation operation, and upon receipt of a start signal for starting the optional ventilation operation, terminating the forced ventilation operation and starting the optional ventilation operation. The controller allows intermittent operation of an air supply fan and an exhaust fan during the forced ventilation operation.

Abstract: A device for measuring a volume flow in a ventilation pipe (1) comprises a mounting (8) that can be fixed in the ventilation pipe (1) and a sensor element (13) having a sensor surface (18.1), said element being disposed on the mounting (8) and configured as a thermal anemometer. Upstream of the sensor element (13) is a turbulence-generating element, for example in the form of a break-away edge (17.1), which is configured and disposed at a distance from the sensor surface (18.1) such that highly turbulent flow is generated in the region of the sensor surface (18.1) in a targeted manner. Downstream of the sensor surface (18.1) is a flow element (20), which widens in the cross-section thereof in the flow direction (L), wherein starting from a height level of the sensor surface (18.1) a height is reached that is greater than the height of the break-away edge (17.1) opposite the sensor surface (18.1).

Abstract: Air that is cooled with ground temperature is circulated in a room, by delivering air in the room outward to an exhaust pipe with a predetermined exhaust pressure; sucking the air discharged from the exhaust pipe with a predetermined suction pressure via an underground path that is formed in ground by the air discharged from the exhaust pipe into the ground; and delivering the sucked air into the room.

Abstract: The invention relates to a ventilation device (1) adapted to control the airflow paths of a first (3) and a second (5) airflow to alternately flow to or from a first and a second heat-absorbing body in order to achieve a heat transfer between the two airflows. The device comprises a first airflow channel (7) adapted to be connected with and lead an airflow to or from the first heat-absorbing body and a second airflow channel (13) adapted to be connected with and lead an airflow to or from the second heat-absorbing body.

Abstract: An apparatus and method for detection of airborne contaminants and prevention of influx of the contaminants into an enclosed space, such as a vehicle cabin. A first sensor array samples exterior air prior to influx of the exterior air into the enclosed space. The first sensor array generates data uniquely corresponding to each contaminant. Data corresponding to predetermined contaminants is stored in computer memory. A user may also cause data corresponding to a contaminant selected by the user to be stored in the computer memory. Upon identification of a contaminant, an actuator is operative to control a position of a valve to prevent influx of the exterior air into the enclosed space.

Abstract: The invention relates to a ventilation system for exchanging the air in a room with outside air, which system comprises: A fine wire heat exchanger having a first channel and a second channel, which channels are in heat-exchanging contact with each other, and wherein the first channel has an inlet connected to outside air and an outlet connected to the air in the room, and wherein the second channel has an inlet connected to the air in the room and an outlet connected to the outside air; balancing means for balancing the flow in both channels, such that the heat transfer is maximized. The invention also relates to a combination of a façade, a room on the inside of and adjacent to the façade and a ventilation system, wherein the inlet of the first channel of the system is connected to outside air on the outside of the façade and the outlet is connected to the air in the room, and wherein the inlet of the second channel is connected to the air in the room and the outlet is connected to the outside air.

Abstract: A ventilation system and a controlling method of such a ventilation system are provided. The ventilation system may exhaust internal air from and draw fresh external air into a designated space. When an outdoor temperature is below a freezing point, some of the internal components of the ventilation system may be damaged due to the low external air temperature. This ventilation system controls operation of a supply fan and/or an exhaust fan based on the temperature of supplied and/or exhausted air to prevent such damage.

Abstract: Provided is a drink preparation machine with an outer housing, which contains at least one ventilation element for ventilating an interior which is enclosed by the outer housing. In order to reduce the likelihood of penetration by dust, water and/or small objects, to allow simple and quick cleaning with reduced use of detergents and to achieve energy-saving operation of the drink preparation machine, the at least one ventilation element can be actuated to open and close.

Abstract: An intelligent energy saving ventilation control system capable of drastically reducing power consumption of the system. The system includes suction and exhaust ducts having a predetermined shape, a pre-filter disposed at an entry region of the suction duct, and a composite filter disposed behind the pre-filter. The system includes a fan motor disposed between the suction and exhaust ducts to linearly control an internal suction pressure in the suction duct; a turning angle motor for controlling a turning angle of the composite filter; an outdoor air sensor for measuring freshness of outdoor air, converting the measured result into an electrical signal, and outputting the signal; and a control unit for controlling operations of the turning angle motor and the fan motor in order to control an aperture angle of the composite filter and an internal pressure in the suction duct.

Abstract: An energy recovery ventilation system is described which allows for continuous fan speed control through pulse width modulation of direct current fans. The energy recovery ventilation described is capable of fine motor speed control without the disadvantages of high noise, low efficiency and a fixed number of speeds present in commonly-used speed-varying techniques used with alternating current (AC) fans. This may be accomplished through the use of direct current (DC) fans and pulse width modulation. A controller is used to optimize the ventilation and energy efficiency of the system through the use of several temperature sensors. The energy recovery ventilation also provides a control process for self-optimization of the energy recovery ventilation, in case the supply and exhaust airflows are unequal. An unbalance may be detected by calculating the thermal efficiencies of the exhaust and supply airflows.

Abstract: The present invention provides a ventilation system for a perishable goods store and a method of operating a ventilation system for a perishable goods store. The system of the present invention may monitor and control the temperature and humidity of the goods within the store and comprises a controller for automatically operating the system, a duct through which air is propelled into the store, pressure control means for controlling the pressure within the duct and a pressure monitoring means for measuring the pressure within the duct. The controller monitors the pressure within the duct and controls the pressure control means ensure the air pressure within the duct is maintained within a defined pressure range. The pressure control means may comprise at least one variable speed fan. The present invention is advantageous in that it optimises the back-pressure within the duct, against which the at least fan must act, thereby providing a more efficient ventilation system.

Abstract: A method and apparatus are provided for detecting a temperature of a cabin within an airplane. The method includes the steps of providing a temperature sensor, enclosing the temperature sensor within an enclosure, coupling an inlet of the enclosure to the cabin of the airplane and an outlet to an air conditioning air return of the airplane and disposing a filter over the inlet.

Abstract: A system and method for regulating humidity in an enclosed structure, including an outside humidity sensor; an outside temperature sensor; an inside humidity sensor; an inside temperature sensor; a ventilation system; and a computing unit that receives sensor information from the temperature and humidity sensors, compares sensor information from inside and outside the enclosed structure, and utilizes the comparison of sensor information to generate one or more output signals to control the ventilation system. This ensures that supply ventilation (by outdoor air) is activated only when it is beneficial for the drying of the attic and controls the ventilation so that an acceptable moisture level is ensured with a minimal ventilation rate, resulting in a warmer attic and reduced heat loss during the heating season.

Abstract: Apparatus and methods of cooling a computing device using active air vents. Embodiments include active air vents capable of dynamically changing the pattern of inlet airflow into the housing of the computing device and selectively directing airflow to cool heat-generating components on need basis. Embodiments include active vents coupled to an actuation mechanism to preferentially open and close the active air vents so that inlet airflow into the housing can be regulated based on the cooling requirement of heat-generating components in the housing. Embodiments also include a control module to determine the cooling requirement of the components of the device.

Abstract: A duct assembly for disposition in an attic of a building includes a first vent and a duct. The first vent defines an opening for fluidly communicating with air in an exterior of the building. The duct includes an elongated side defining a passage. The elongated side extends between a first end and a second end with the first end coupled to the first vent and with the passage in fluid communication with the opening of the first vent. The duct includes an end plate sized larger than the passage and sealed to the second end covering the passage at the second end. The elongated side includes an unperforated portion being unperforated and a perforated portion defining a hole for providing fluid communication from the opening of the first vent to the hole.

Abstract: Embodiments of the invention provide an air conditioning unit that includes an intake vent, an exhaust vent, a return vent, a supply vent, and an economizer assembly including a sliding damper and a partition. The partition includes an opening through which air can flow from the return vent to the supply vent during a mechanical cooling mode. The sliding damper includes a vertical panel capable of moving vertically to close the intake vent and the exhaust vent during the mechanical cooling mode and an angled panel capable of closing the opening in the partition in order to enter an economizer mode.

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.