A spatial temperature estimation system includes a thermal image acquisition unit and a space temperature estimation unit. The thermal image acquisition unit is configured to detect a temperature of at least one surface of a ceiling, a floor, or a plurality of walls of a room. The space temperature estimation unit is configured to estimate a temperature of air in an interior space of a room with reference to a CRI coefficient relating to the at least one surface and the temperature detected by the thermal image acquisition unit.

A heating, ventilation, and/or air conditioning (HVAC) system includes a first condenser coil of a refrigerant circuit, wherein the first condenser coil is configured to receive a first refrigerant flow from a compressor of the refrigerant circuit, a modulating valve of the refrigerant circuit, and control circuitry communicatively coupled to the modulating valve. The modulating valve is configured to receive a second refrigerant flow from the compressor and configured to direct the second refrigerant flow to a second condenser coil of the refrigerant circuit and to a reheat coil of the refrigerant circuit in a parallel flow arrangement, and the control circuitry is configured to operate the modulating valve to apportion the second refrigerant flow between the second condenser coil and the reheat coil based on a detected operating parameter of an air flow directed across the reheat coil.

An air conditioner includes a communication interface to communicate with a server device, a memory to store one or more instructions, and at least one processor configured to execute the stored one or more instructions to transmit, to the server device through the communication interface, current state information including one or more of operation time information of the air conditioner, set temperature information of the air conditioner, and current indoor temperature information, receive a set temperature increase request corresponding to the transmitted current state information from the server device through the communication interface, and adjust a set temperature of the air conditioner based on the received set temperature increase request, and the set temperature increase request is received when an overcooling period is identified.

An air conditioner unit may include a housing, an outdoor heat exchanger assembly, an indoor heat exchanger assembly, a compressor, a sterilization light assembly, and a flow sensor. The housing may define an indoor portion and an outdoor portion. The housing may further define an exhaust outlet downstream from the indoor portion to exhaust air therefrom. The sterilization light assembly may be disposed within the indoor portion to transmit an ultraviolet light emission thereto. The flow sensor may be disposed within the indoor portion upstream from the exhaust outlet. The flow sensor may be operably coupled to the sterilization light assembly and configured to activation of sterilization light assembly in response to detecting a predetermined airflow within the indoor portion.

An environment detection system includes a sound wave transmitter, a sound wave receiver, and a determination unit. The sound wave transmitter transmits a detection sound wave to a target space where an environment control device that conditions air in a space is installed. The sound wave receiver receives the detection sound wave transmitted by the sound wave transmitter. The determination unit determines a temperature or an air velocity in a first region near the environment control device, based on predetermined acquired information acquired from the environment control device. The environment detection system obtains a temperature or air velocity distribution in the target space, based on measured sound wave data. A temperature or air velocity distribution in a second region is obtained based on at least either the temperature or the air velocity in the first region determined by the determination unit and the measured sound wave data.

A computer-implemented method for anomaly detection in a data processing system comprising a processor and a memory comprising instructions which are executed by the processor. The method includes receiving a plurality of real-time airflow patterns acquired by a plurality of airflow alerters, wherein each real-time airflow pattern corresponds to a different airflow alerter; comparing each real-time airflow pattern with a predetermined airflow pattern, wherein each real-time airflow pattern corresponds to a different predetermined airflow pattern; when there is any real-time airflow pattern different from the corresponding predetermined airflow pattern, identifying a group of airflow alerters among the plurality of airflow alerters, wherein a real-time airflow pattern of each airflow alerter in the group is different from the corresponding predetermined airflow pattern; and identifying a location of an anomaly based on the group of airflow alerters.

Apparatus and method for ventilating a building structure, such as a residence. In some embodiments, a ventilation system includes a damper assembly which extends through an interior substrate (e.g., an interior wall) of the structure and an exhaust assembly which extends through an exterior substrate (e.g., an exterior wall of the structure and which is in communication with the damper assembly via a control circuit. The interior wall separates a conditioned space and an unconditioned space. The exhaust assembly is initially activated to vent exhaust air from the unconditioned space while a door of the damper assembly remains closed. The door is subsequently opened responsive to a measured environmental parameter, such as a differential pressure between the conditioned and unconditioned spaces, to generate a combined airflow that passes from the conditioned space to the unconditioned space and then to the exterior of the structure.

The present disclosure discloses a fan driving device, and the fan driving device comprises a sensing unit and a processing unit, wherein the sensing unit at least comprises a microwave sensing module; the sensing unit is at least used for sensing whether any human activity exists within the action range based on microwave sensing according to a certain microwave sensing cycle, and outputting a sensing signal to the processing unit periodically; and the processing unit is used for processing the sensing signal, so that the driving device can adaptively control the turn-on and turn-off of the fan and adaptively regulate the working power of the fan. Based on this, a dynamic intelligent fan driving device without a user's turn-on and turn-off action and based on environmental state sensing is realized.

An HVAC system is disclosed. The HVAC system includes at least one heat exchanger unit disposed within a predefined area. The HVAC system further includes at least one frame cooperating with each of the at least one heat exchanger unit. The at least one frame includes a guiding assembly configured to move each of the at least one heat exchanger unit across the predefined area. The guiding assembly includes a guiding rail. The guiding assembly further includes at least one slider cooperating with the guiding rail to enable movement of the at least one heat exchanger unit. Each of the at least one slider comprises a fastening unit configured to attach a heat exchanger unit to an associated slider. The guiding assembly includes at least one actuator, wherein each of the at least one actuator is configured to move an associated slider from the at least one slider.

Disclosed herein is an apparatus for facilitating improving flow of fluid in a duct, in accordance with some embodiments. The apparatus comprises a first portion, a third portion, and a second portion. Further, continuously attaching an inlet edge using an attachment member and an outlet edge defines an interior space. Further, a first amount of the fluid entering a first interior space through an inlet opening flows to a third interior space with a first velocity and a first direction. Further, portions of a second amount of the fluid flows into the third interior space through second openings with a second velocity and second directions. Further, the fluid flows from the third interior space with a third velocity and a cyclonic flow pattern for exiting through an outlet opening based on interacting of the portions of the second amount of the fluid with the first amount of the fluid.