An air conditioner includes an outdoor unit, a plurality of indoor units, a plurality of detecting units, an operating device that receives an instruction on use of all prediction results obtained for all of a plurality of spaces, a determining circuitry, and a deciding circuitry. The detecting circuitries each detect a state relating to temperature of an associated space. A prediction result obtained for each of the spaces is a predicted temperature of the space associated with one of the detecting circuitries a predetermined time after a detection result is obtained by the one of the detecting circuitries, which is predicted on the basis of the detection result. When all the prediction results are determined not to be the same, the deciding circuitry determines how air conditioning is to be performed on the basis of part or the whole of all the prediction results in accordance with an instruction received by the operating device.

Provided in the present application are a control system of an air conditioner and an air-conditioning device. The control system of the air conditioner comprises: a main machine control assembly receiving a feedback parameter of a main machine, to adjust, according to the feedback parameter, a water discharge temperature of the main machine; a water pump control assembly, and the water pump control assembly is in communication with the main machine control assembly, to adjust, according to a feedback parameter of the water pump, an operating parameter of a water pump; a cooling tower control assembly, and the cooling tower control assembly is connected to the water pump control assembly, to adjust, according to an environment parameter and a target water discharge temperature, the current water discharge temperature of a cooling tower; and a tail end control assembly.

A bi-level optimization scheduling method for an air conditioning system based on demand response includes: constructing a lumped heat capacity model to describe a heat storage capacity of a building to thereby obtain a building heat storage model; obtaining a function relational expression of describing an indoor dry bulb temperature and a cooling and heating load of the building based on the building heat storage model; constructing a power consumption calculation model under a working condition of demand response based on the function relational expression; constructing optimization objective functions based on the power consumption calculation model; and substituting the optimization objective functions into a bi-level optimization process, and optimizing the bi-level optimization process to obtain an optimal scheduling strategy for the air conditioning system participating in demand response. The method can achieve a global optimization of demand response scheduling strategy, and improve economy and energy saving of system operation.

A control system for ambient air exchange with a machine room or similar enclosure controls an exchange rate of the ambient air based on a temperature differential between the inside (machine room) and outside temperatures, rather than absolute thermostatic controls based solely on the interior temperature. A larger temperature difference between the inside and outside air means a greater cooling potential for the exchanged air. Ambient air exchange is performed by dampers/louvers/vents and a fan speed driving the air exchange. Control of the fan speed based on the temperature differential allows lower fan speeds for controlling the temperature when the temperature differential indicates ample cooling. Higher fan speeds, incurring additional electrical consumption and fan noise, are only needed when a relatively small differential limits the cooling ability of the exchanged air.

An active airflow inhibiting apparatus for an entranceway comprises a structure, an airflow sensor, and a controller. The structure comprises one or more air mover devices configured to be positioned adjacent an entranceway of a building and defining a passage therethrough for accessing the entranceway. The airflow sensor is configured to provide an output indicative of speed and direction of airflow through the entranceway or at the air mover devices. The controller is connected to the air mover devices and the airflow sensor. The controller is configured to receive the output of the airflow sensor and to control an output of the air mover devices based on the received output so as to generate a differential pressure across the air mover devices which inhibits airflow through the entranceway.

Control device (10) includes air conditioning controller (31) and air conditioning load factor calculator (32). Air conditioning load factor calculator (32) calculates air conditioning load factors 36a and the like for rooms. Air conditioning controller (31) calculates a distribution of air volumes of air conveyed from an air conditioning room to the rooms based on air conditioning load factors (36a). Air conditioning controller 31 controls air conveyance fans (3a to 3d) in accordance with the distribution of the air volumes.

A ventilation system according to an embodiment of the present disclosure includes: a plurality of dedicated outdoor air systems, each having one or more temperature sensors and configured to cause outdoor air to flow into an indoor space and indoor air to flow outside thereof; and a controller configured to control the plurality of dedicated outdoor air systems based on temperature data sensed by temperature sensors included in the plurality of dedicated outdoor air systems, wherein the controller: in response to temperature uniformity of the indoor space, in which the plurality of dedicated outdoor air systems are installed, satisfying a predetermined temperature uniformity criterion, controls all the dedicated outdoor air systems to operate in a first operation mode in which the dedicated outdoor air systems operate according to a set temperature; and in response to the temperature uniformity not satisfying the predetermined temperature uniformity criterion, controls the dedicated outdoor air systems to operate in a second operation mode in which at least one dedicated outdoor air system operates in a mode different from that of other dedicated outdoor air systems.

An air quality monitoring device and an associated method of manufacturing. An example air quality monitoring device may include a housing having a chamber and an inlet port. The inlet port may be structured to receive an air flow from outside the housing and provide the air flow to the chamber. The air quality monitoring device may include a plurality of sensors disposed within the chamber and configured to measure air quality data associated with the air flow. The air quality monitoring device may include an adapter configured to be connected to the inlet port and a continuous positive airway pressure machine. The inlet port may be configured to receive the air flow from the continuous positive airway pressure machine via the adapter. The air quality monitoring device may include a controller connected with the plurality of sensors and configured to transmit the air quality data to a computing device.

The present disclosure provides a climate control system including a first heat exchanger having a plurality of first channels to allow flow of water therethrough, a burner to heat the water in the first channels of the first heat exchanger, and an inducer disposed proximal to the burner to direct combustion air towards the burner for combustion, and vent products of combustion. The system further includes a hydronic coil-to-air heat exchanger in fluid communication with the first heat exchanger, to receive the heated water from the first heat exchanger. The hydronic coil-to-air heat exchanger includes a plurality of second channels to allow flow of heated water therethrough. The system also includes a blower to blow air across the plurality of second channels of the hydronic coil-to-air heat exchanger, whereby the air is heated by the heated water.

A climate control system is configured to modulate the air environment of an interior space to maintain the dew point of the interior space within a predetermined operating dew point band as the temperature in the room fluctuates.