Abstract: An integrated heat pump energy recovery ventilator system is provided for installing in a chase of a wall, the integrated heat pump energy recovery ventilator system comprising an air intake duct; an air outlet duct; a pump in fluid communication with the air intake duct; and in order: a heat pump compressor plate; an outer insulation panel; an outer energy recovery ventilator core; a heat pump evaporator plate and an inner energy recovery ventilator core, wherein the heat pump condenser plate, the outer heat pump energy recovery ventilator core, the evaporator plate and the inner heat pump energy recovery ventilator core all include at least a first series of channels and a second series of channels, the second series of channels disposed normal to the first series of channels, each series of channels.

Abstract: A delivery lockbox assembly includes a lock box which has a recess to accommodate a foundation of a building. The lock box has a front entry which is positioned outside of the building to facilitate a parcel to be delivered into the lock box. The lock box has a back entry which is positioned within the building thereby facilitating the back entry to be accessible to an occupant of the building for retrieving the parcel. A locking unit is integrated into the front entry inhibit the parcel from is removed from the lock box by an unauthorized person. the locking unit has an access unit is integrated into the locking unit wherein the access unit is configured to be manipulated by the delivery person. The locking unit is in remote communication with a personal electronic device to alert the occupant that the parcel has been delivered into the lock box.

Abstract: An air conditioner unit includes an indoor heat exchanger assembly positioned in an indoor portion of the air conditioner unit. The indoor heat exchanger assembly includes an indoor heat exchanger and an indoor fan. The air conditioner unit also includes a heating unit. The heating unit may be positioned in the indoor portion of the air conditioner unit downstream of the indoor fan and/or at the exhaust side of the indoor fan.

Abstract: A ceiling-embedded air conditioner includes a main unit, and a decorative panel that has an intake port and an outlet guide tube, wherein the main unit includes a box-shaped housing, a heat exchanger that is disposed inside the housing, a fan unit that is disposed inside the housing and collects air from the intake port and discharge the air from an outlet tube, and a drain pan that has an outlet port opening through which the air discharged from the outlet tube passes toward the outlet guide tube, the outlet guide tube has a top opening communicating with the outlet tube, a bottom opening facing a direction below a front plate of the housing, and a curved outlet ventilation path connecting the top opening to the bottom opening, and a bottom end of the bottom opening protrudes more downwards than the decorative panel does.

Abstract: An outdoor machine includes a housing including a front panel with an opening formed therein; a blower disposed in the housing; a bell mouth disposed in the outer periphery of the blower and connected to the opening; a control board on which an electric component is mounted, the control board being provided in the housing; a heat radiation part that radiates heat generated by the electric component; and a vent deflector that covers the heat radiation part, and forms a ventilation flue through which air generated by the blower flows in the heat radiation part, in which the vent deflector 20 is not provided in a region between a virtual plane S and the front panel, the virtual plane S covering the entire periphery of an edge of the bell mouth and extending in parallel with the front panel.

Abstract: The present invention is generally directed to a system for providing heating, cooling, and domestic hot water (DHW) using a water source heat pump, the system including: a compressor; a source heat exchanger; a load heat exchanger; a DHW heat exchanger; and a DHW storage tank. In some embodiments, the system may be concealable, and mounted between two wall studs. In some embodiments, a water-to-water water source heat pump and DHW storage tank may be mounted between the same wall studs, the system having a width of no more than 14.5? and a depth of no more than 7?. In some embodiments, in a heating cycle high-temperature high-pressure refrigerant in a gaseous phase is provided to both a brazed plate DHW heat exchanger and a brazed plate load heat exchanger in a parallel manner so one of the heat exchangers receives the refrigerant at a time.

Abstract: An air conditioning indoor unit includes a central fixed air blowing portion in a raised portion having an elliptical shape in a plan view in which a part of a decorative panel is raised toward an air conditioning room. Movable air blowing portions are included on both left and right sides of the indoor unit. Each movable air blowing portion includes a truncated cone-shaped rotation unit rotatable about an axis orthogonal to the decorative panel or the ceiling of the room. Semi-circular portions are formed at both ends of the raised portion by a part of the rotation units, and an air blowing opening is formed on each side surface of the fixed air blowing portion and the movable air blowing portion, so that the conditioned air is blown out from the air blowing opening over a wide range as the movable air blowing portion rotates.

Abstract: A cooling system configured to remove heat from a chimney of a server cabinet. The chimney has an extending portion extending above the server rack including a chimney heat exchanger in the extending portion above the server rack. The chimney heat exchanger has a fluid inlet for receiving a working fluid and a fluid outlet for discharging the working fluid. The chimney heat exchanger also has an upstream surface receiving warm waste heat generated by one or more servers and a downstream surface that discharges cooled air cooled by the chimney heat exchanger. The server rack may be accessed through the chimney without requiring movement of the chimney heat exchanger.

Abstract: A method for cooling a display assembly includes forcibly circulating gas about an airflow pathway extending within a housing and surrounding an image assembly. Forcibly ingesting ambient air into the housing through an intake, passing the ingested ambient air within the housing in a manner which provides thermal interaction with the circulating gas in said airflow pathway, and exhausting the ingested ambient air from the housing through an exhaust to cool the circulating gas.

Abstract: In order to prevent condensation from forming on a surface of an inner gasket surrounded on a rear surface of an indoor side door of an entrance refrigerator, the entrance refrigerator has a flow passage structure in which a portion of indoor air, whose temperature is increased by heat exchange with a heat sink, flows along the surface of the inner gasket.

Abstract: A refrigerated delivery receiving furniture system includes a piece of furniture having a frame and a seat coupled to the frame. A container having an interior space is coupled to the piece of furniture. A lid is movably coupled to the container to selectively cover the interior space. The lid is movable between an open position and a closed position. A refrigeration assembly is coupled to the container includes a compressor such that the refrigeration assembly cools the interior space. A processor is coupled to the container and operationally coupled to said compressor. An interior camera is positioned within the interior space and operationally coupled to said processor. A panel is positionable within a selectable aligned pair of vertically oriented slots in the interior space to divide the interior space into compartments within said container.

Abstract: An HVAC system utilizes one or more modular heat pump units installed within an outer wall or corner of a building, and one or more active registers. A central hub, which can be integrated into a modular HVAC unit, receives input from thermostats and sensors in the building and adjusts operation of the modular HVAC units and active registers to distribute conditioned air throughout the building. The system provides convenience and comfort of a traditional split HVAC system with significantly reduced installation and maintenance costs. The modular HVAC unit includes an interchangeable cartridge that contains the active components of a heat pump. Cartridges of different capacities can be installed as required, and are easily swapped out for maintenance, servicing, and replacement. A user can control the system using traditional-style thermostats and with a smart phone, tablet or computer. A cloud server provides backup services and remote access to the system.

Abstract: A tray is mounted inside a storage compartment of an entrance refrigerator. A bottom portion of the tray is spaced apart from a bottom portion of the storage compartment, and gaps are provided between the sides of the tray and the sides of the storage compartment. With this configuration, it is possible to minimize a blockage of a cold air flow path by goods stored on the tray in the storage compartment.

Abstract: A displacement ventilation system for a room includes a first duct located inside the room and extending between a floor and a ceiling of the room, an air inlet coupled with the first duct for drawing air into the system, and an elongated diffuser extending adjacent the floor for diffusing at least some of the outside air over the floor of the enclosed spaced. The system includes a return air duct extending adjacent the ceiling and being coupled with the first duct for removing return air from the room and advancing the return air toward the first duct, a heat exchanger for transferring thermal energy between the return air and the outside air, and a heat pump for changing a temperature level of the outside air or the return air passing through the heat pump. The system includes sensors located inside the room, and a controller for controlling operation of the system. The controller is in communication with the sensors.

Abstract: An air conditioner indoor unit includes a housing. The housing includes a chassis and a face frame connected to the chassis. A lower portion of the face frame includes an opening. the indoor unit further includes an air passage member disposed at the chassis and exposed from the opening, and a lower panel including an air outlet communicating with the air passage member. A first side of the lower panel is rotatably connected to a first side edge of the opening or a first side of the air passage member, and a second side of the lower panel is detachably connected to a second side edge of the opening or a second side of the air passage member.

Abstract: Disclosed are an indoor unit and an air conditioner having the indoor unit. The indoor unit has a housing having a chassis that can be mounted to a wall, and a front frame connected with the chassis, in which the front frame and the chassis can be joined to define a mounting cavity having a mounting mouth opened downwards, and a fan assembly positioned in the mounting cavity and exposed to an outside at the mounting mouth, in which the fan assembly can be removably connected with the front frame and the chassis.

Abstract: A dehumidifier includes a cabinet, a compressor, an evaporator, a condenser, and a fan. The cabinet is configured to be installed between studs in a wall. The evaporator is installed within the cabinet above the compressor. The condenser is installed within the cabinet above the evaporator. The fan is installed between the evaporator and a back surface of the cabinet. The fan is configured to generate the airflow that flows into the cabinet through the evaporator and out of the cabinet through condenser. The airflow flows through the evaporator and condenser in order to provide dehumidification to the airflow.

Abstract: The present disclosure relates to an embedded type air conditioner outdoor unit and an air conditioner. The embedded type air conditioner outdoor unit comprises: a housing comprising an air inlet and an air outlet which are provided on the same side surface of the housing; a heat exchanger provided within the housing, for heat exchange with air introduced by the air inlet; and a cross-flow fan provided within the housing, for flowing the air introduced by the air inlet through the heat exchanger. By applying the technical solution of the present application, the air introduced by the air inlet after heat exchange by the heat exchanger is expelled via an exhaust port by using the cross-flow fan, thereby improving the problem of much noise of the embedded type air conditioner outdoor unit.

Abstract: A heating, ventilation, and air conditioning (HVAC) system includes a heat pump having a housing. The HVAC system also includes an energy recovery ventilator (ERV) or heat recover ventilator (HRV) integrated with the heat pump such that an access panel to the ERV or HRV faces outwardly from the housing of the heat pump, and such that the access panel is accessible at an outer boundary of the housing.

Abstract: An indoor unit (1000) for an air conditioner is provided. The indoor unit (1000) includes a housing (100) having an upper base plate (110) provided with an air inlet (101), a lower base plate (120) detachably mounted to the upper base plate (110) and provided with an air outlet, and a front cover (130) detachably mounted to the upper base plate (110); a heat exchanger (140) mounted to the upper base plate (110); and a fan (142) detachably mounted to the lower base plate.

Abstract: An air filtration device including a housing that includes an air intake and a blower motor mounted within the housing, wherein when the blower motor is in operation, the blower motor generates an air flow from the air intake through an air duct extending vertically from the housing. The air filtration device also includes an air outlet at a distal end of the air duct, wherein the air outlet comprises at least one aperture, wherein when the blower motor is in operation, the air outlet discharges the air flow in a horizontal plane over an occupied zone from a region of the air duct having a vertical height that is less than or equal to twelve inches, wherein the region of the air duct for the air outlet is disposed at least thirty-six inches above the air intake. The air filtration device also includes an air filter.

Abstract: The disclosure provides a movement mechanism for a panel mechanism of a household appliance. wherein, the movement mechanism includes: a rotary disc (21), rotatably provided, a first support (22) is fixedly provided on the rotary disc (21), and a free end of the first support (22) having a first connection portion; and a second support (23), the second support (23) and the rotary disc (21) being hinged to a second connection portion, a first end of the second support (23) having a third connection portion, and the third connection portion being movable along a predetermined track when the rotary disc (21) rotates.

Abstract: A storage and shipping container system for a set of specific related components, such as multiple blood products, which conveys the components in pre-determined ratios, having a thermally-insulated main container with a plurality of internal chambers, and at least one attached auxiliary container which is thermally-insulated. Optionally, the system is provided with wheels and a collapsible handle for easy movement of one system, and configured for stacking of multiple similar systems for bulk transportation.

Abstract: A secure storage assembly apparatus for the delivery of fresh, perishable or environmentally sensitive goods and other goods to a customer's home or business premises while not at home or work and a method of installing same to a structure are disclosed in accordance with the present disclosure and figures herein.

Abstract: An air conditioner including a base panel having an air inlet and an inspection opening, an intake grille mounted on the base panel so as to correspond to the air inlet, and an inspection opening cover coupled to the base panel so as to cover the inspection opening, wherein the inspection opening cover includes a dismantling handle disposed between the base panel and the intake grille.

Abstract: A heat pump includes a first portion for evaporating a working fluid at a first pressure, for compressing the evaporated working fluid to a second, higher pressure, and for liquefying the compressed working fluid within a liquefier, and a second portion for compressing liquid working fluid to a third pressure, which is higher than the second pressure, for evaporating the working fluid compressed to the third pressure, for relaxing the evaporated working fluid to a pressure, which is lower than the third pressure, so as to generate electrical current, and for liquefying relaxed evaporated working fluid within the liquefier.

Abstract: An air conditioner according to the present disclosure includes a housing provided with an outer panel forming an appearance, and an opening formed in the outer panel; a heat exchanger configured to exchange heat with air introduced to the inside of the housing; a first discharge portion connected to the opening to discharge heat-exchanged air to the outside; a second discharge portion disposed in a lower side of the first discharge portion in the outer panel to discharge the heat-exchanged air; and a blowing fan disposed inside of the housing to move air, which is heat-exchanged by the heat exchanger, in a direction of the second discharge portion.

Abstract: A ceiling-embedded air conditioner includes: a box-shaped housing that is embedded in a ceiling of an air-conditioned room; a square decorative panel that is attached to a lower surface of the housing and covers the ceiling; main body outlets that are provided along respective four sides of a bottom surface of the housing and blow heat-exchanged air; outlets that are provided in the decorative panel in correspondence with the main body outlets; corner blowoff units that are provided in the decorative panel in correspondence with coupling portions for coupling the outlets; a blowoff path that is circumferentially provided in the decorative panel in correspondence with the outlets and the corner blowoff units; and wind direction plates that are rotatably provided along the respective sides of the decorative panel so as to cover or open the blowoff path and are longer than a long side of the outlets.

Abstract: An air suction apparatus includes an air suction port that is variable in an air suction mode including at least one of a shape, a size, a direction, an effective opening area, a position, or an air flow volume of an air suction port and an air suction controller that controls, according to a change in a dust concentration distribution in a periphery of the air suction port, the air suction port to vary at least one of the shape, the size, the direction, the effective opening area, the position, or the air flow volume of the air suction port such that an air suction flow distribution is changed according to the variation of the air suction mode.

Abstract: An inside unit of an air conditioner that includes a cabinet that accommodates a fan and a heat exchanger, a front panel mounted on an open surface of the cabinet and forming an inlet port through which inside air is suctioned into a depressed inside area and a panel outlet port through which heat-exchanged air is discharged, a vane provided on the panel outlet port and controlling opening degree of the panel outlet port by the rotation, an air guide that extends along an outside end of the panel outlet port and is formed of a heat insulating material, a slide preventing protrusion that protrudes from the front panel in which the air guide is mounted, and a protrusion accommodating groove depressed in the bottom surface of the air guide corresponding to the slide preventing protrusion and the slide preventing protrusion is received in the protrusion accommodating groove.

Abstract: A ceiling-embedded air conditioner includes: a pipe draw portion that is provided at one corner portion of a casing main body to draw refrigerant pipes together with an electric wire; a pipe cover that fixes the peripheries of the refrigerant pipes and has a draw hole for the electric wire; a wire cover that is provided on the bottom surface of the casing main body and cover a wire guide groove for the electric wire; a cover plate that is included in the wire cover, covers the wire guide groove, and is screwed to a predetermined place on the casing main body side; and a hold plate that is included in the wire cover and is folded at a right angle from one end of the cover plate to engage with a pipe cover end portion of the pipe cover on the bottom surface side of the casing main body.

Abstract: Disclosed herein is a cooling system for two-dimensional array power converters. The cooling system includes: a plurality of power converters arranged in two-dimension; a compressor configured to generate compressed air; vortex tubes each installed in the respective power converters, the vortex tubes configured to generate low-temperature air based on compressed air from the compressor; valves installed between the compressor and the vortex tubes; temperature sensors each installed in the respective power converters to measure temperature inside the power converters; and a controller configured to determine whether to supply the low-temperature air into the power converters by using the vortex tubes, based on the temperature measured by the temperature sensors, and to control the valves depending on a result of the determination.

Abstract: A refrigerating device has an evaporator, a fan, a fan housing for generating an air flow on the evaporator, and a bearing shell for retaining the fan housing on the evaporator in a vibration-decoupled manner. The fan housing has at least one first bearing pin and a second bearing pin. The bearing shell has at least one first receiving recess for receiving the first bearing pin in a pivotal manner and a second receiving recess for receiving the second bearing pin, and a pivotal locking element is provided for locking the second bearing pin in the second receiving recess.

Abstract: An air-conditioning apparatus for a vehicle, which includes an evaporator core and a heater core disposed on a ventilation channel overlapping each other, and thermoelectric device having a heat generating surface and a heat absorbing surface. A cooling line including a first cooling channel through which cooling water circulates around the heat absorbing surface and the evaporator core and a second cooling channel through which the cooling water circulates around the heat absorbing surface and an engine, and a heating line including a first heating channel through which the cooling water circulates around the heat generating surface and the heater core and a second heating channel through which the cooling water circulates around the engine and the heater core are also included. A controller controls concurrent circulation through the second cooling channel and the first heating channel or circulation through the second heating channel in a heating mode.

Abstract: A casing (34) contains a rotating brush (151) for removing dust on an air filter (40), and a dust container (160) for containing the removed dust. A supply duct (71) through which air blowing from an indoor fan (39) enters the dust container (160), and a discharge duct (74) through which the dust contained in the dust container (160) is discharged out of the casing (34) together with the air are provided.

Abstract: Disclosed herein is a mounting plate for an air conditioning unit. The mounting plate comprises a first side for attachment to a wall, a second side on which the air conditioning unit is mountable, and a housing on the first side that is positionable within a cavity in the wall, the housing being adapted to house piping for attachment to the air conditioning unit.

Abstract: An air-cooling apparatus is provided which includes an air-cooling wall cooling airflow passing through an electronics rack(s) of a data center. The air-cooling wall is disposed separate from and in spaced relation to the air inlet or air outlet side(s) of the electronics rack(s), and includes a wall panel support structure disposed separate from the electronics rack(s), which supports one or more slidable wall panels. The slidable wall panel(s) includes an air-to-liquid heat exchanger slidably supported and disposed in spaced relation to the air outlet or air inlet side of the electronics rack(s). The heat exchanger extracts heat from air passing across the heat exchanger and is slidable within the support structure in a direction transverse to the direction of airflow through the rack(s). Slidable support of the heat exchanger by the support structure facilitates access to the air outlet or air inlet sides of the electronics rack(s).

Abstract: An upper suction port is formed in a main-body upper part of an air-conditioning apparatus main body, a suction opening part is formed in a front grill disposed on a main-body front face of the air-conditioning apparatus, a suction opening whose opening is directed upward is formed by consecutively providing an air guide wall inclined downward inside the main body on the upper edge of the suction opening, and the suction opening is located between a part, in the main-body height direction, lower than a straight line passing through a rotation center of an impeller and a closest contact point between the impeller and a front-face heat exchanger and a part, in the main-body height direction, higher than a straight line parallel with the straight line and passing through the impeller and a tongue part of a stabilizer.

Abstract: A method and system for controlling a unitary room air conditioner and for reducing peak loads can comprise a communications transceiver coupled to a relay or switch. This relay or switch can control the flow of electricity to a compressor of the air conditioner. The communications transceiver can receive signals which may direct the communications transceiver to open or close the relay or switch. In this way, the compressor can be controlled independent of the air conditioner's control logic. In other words, the operation of the compressor can be controlled with signals which originate outside of the unitary air conditioner and independent of the air conditioner's own internal control logic.

Abstract: Cooling device with a cooling unit connected to a cooling means for providing cooled air to the surroundings and which is located over an area for arranging merchandise to be refrigerated. The device includes a frame structure to be suspended freely over a merchandising area, with the cooling unit being arranged in the frame structure together with the further parts of a refrigerating unit.

Abstract: A refrigeration unit body (31) is mounted to a trailer (20). The refrigeration unit body (31) includes a refrigerant circuit (40), an engine (50) and an electric generator (51). The refrigeration unit body (31) has a condensation side passage (70) formed from the front surface of the refrigeration unit body (31) to the top thereof. In the condensation side passage (70), a condenser (42) and an electrical component box (54) are disposed in series with condenser fans (44) for the condenser (42) and a radiator (55) in order from upstream to downstream of air flow. In addition, the refrigeration unit body (31) has an evaporation side passage (71) formed therein. The condenser fans (44) in the condensation side passage (70) and evaporation fans in the evaporation side passage are disposed alternately in the width direction of the refrigeration unit body (31).

Abstract: An air conditioner is provided. The air conditioner includes: an indoor device installed at indoor; an outdoor device connected to the indoor device using a refrigerant pipe; a ventilation unit for exchanging heat of outdoor air and indoor air while ventilating indoor air and outdoor air; and a guidance duct for communicating the ventilation unit and an air inhalation portion of the outdoor device in order to guide indoor air exhausted from the ventilation unit to an air inhalation portion faulted in the outdoor device. Therefore, the number of ventilation holes to form in an outer wall of a building can be minimized, a construction cost can be reduced, and performance of the air conditioner can be improved.

Abstract: An air conditioning unit and method of mounting the same in a hole in a wall, particularly a hole housing a window. The unit includes a front section disposed inside the building on a first side of the hole; and a rear section disposed outside the building on a second side of the hole. A duct extends between the front and rear sections and is clampingly engaged between the sill and a bottom end of the window. The duct includes a first duct member which moves cooled air in a first direction towards the inside of the building; and a second duct member which moves return air in a second direction away from the inside of the building. The duct is changeable in length to alter the distance between the front and rear sections so as to accommodate the air conditioning unit's installation in windows in different thickness walls.

Abstract: In a wall-hung air conditioner 1 provided with a vertical blade 85 for wind-direction change, a flap 60, and a fan guard 70 at an outlet 13 of a housing containing a heat exchanger 2 and a blower, the fan guard 70 is provided with a plurality of wires 71 extending in the longitudinal direction of the outlet 13 and a pair of supporting bodies 72 and 73 bundling the both ends of the wires 71, and the fan guard 70 is installed with the plurality of wires 71 extended into a space between the vertical blade 85 and the flap 60 and the pair of the supporting bodies 72 and 73 are fixed and mounted onto the outlet 13 through one-touch operation.

Abstract: A process and apparatus for improving the cooling of the attic of a building by increasing the air flow therethrough includes the use of an air diverter attached to an A/C condenser unit casing partially around the exhaust fan opening in the casing for directing air from the exhaust fan into an air stream through open space towards a building soffit. A separate air hood mounted to the building soffit captures the air stream and directs it through the soffit into the attic.

Abstract: The present invention relates to a picture frame type indoor unit of an air conditioner for mounting a photograph or a picture on a wall. The indoor unit of an air conditioner includes a cabinet (10), a picture frame panel (30) mounted in front of the cabinet (10), and a link mechanism (200) hinged both on the cabinet (10) and the picture frame panel (30), thereby permitting convenient working in inside inspection or repair of the indoor unit even if the picture frame panel (30) is not dismounted from the cabinet (10) completely.

Abstract: A pendent lamp includes a support member mounted on a ceiling, a lighting unit mounted on the support member, an air conditioning unit mounted on the support member, a hood connected with the air conditioning unit, and at least one baffle mounted in the hood. Thus, the air conditioning unit supplies cold air or hot air to the house to decrease or increase the temperature in the house to provide a cooling or warming effect to the house so as to regulate the temperature of the house at the optimum value.

Abstract: An air conditioner is disposed with a casing, a filter, an indoor heat exchanger, a blower, and a blowout passage. The casing includes a suction opening and a blowout opening. The filter is disposed downstream of the suction opening and transmits air. The indoor heat exchanger is disposed facing the filter downstream of the filter and performs heat exchange with air that passes through the indoor heat exchanger. The blower is disposed downstream of the indoor heat exchanger and generates a flow of air that is sucked in from the suction opening and is blown out from the blowout opening. The blowout passage includes an air introduction opening disposed facing and downstream of the indoor heat exchanger and guides air from the air introduction opening to the blowout opening. Additionally, the filter has an outer shape that is slanted with respect to the indoor heat exchanger.

Abstract: Embodiments of the present invention provide a cover for a Packaged Terminal Air Conditioning (PTAC) unit. Embodiments of the cover include a gasket on an interior portion of the cover sealing against a portion of the PTAC unit to prevent air recirculation. Other embodiments of the cover include a screen configured to capture large debris. Other embodiments of the cover include solid wood panels with stain and lacquer on both sides of the panels.

Abstract: The invention generally relates to ventilation systems and methods, and more particularly to selectively configurable climate control systems and methods for use in data centers and the like. A system includes a first structural element and a second structural element spaced apart from first structural element to define a space between the first and second structural elements. The system also includes a plurality of partitions moveable into the space between the first and second structural elements and a controller arranged to control movement of the plurality of partitions.