The present disclosure presents techniques for improving operational efficiency of climate control systems. A climate control system may include climate control equipment, a sensor that measures temperature in a building, and a control system that controls operation of the equipment using a first temperature schedule, which associates each time step with a temperature setpoint, when the building is occupied. When not occupied, the control system determines an expected return time based on historical occupancy data associated with the building, determines the temperature setpoint associated with the expected return time, determines candidate schedules each expected to result in the inside air temperature meeting the temperature setpoint, determines efficiency metrics each associated with one of the candidates based on historical performance data resulting from previous operation of the climate control system, and controls operation of the equipment based on a second temperature schedule selected from the candidates based on associated efficiency metrics.

A magnet/electromagnet thermal conditioning blower system including a housing having a fluid inlet. A sleeve shaped support extends within the housing, a plurality of spaced apart magnetic/electromagnetic plates being communicated with the inlet, such that the plates extend radially from said sleeve support. A conductive component is rotatably supported about the sleeve support, the conductive component incorporating a plurality of linearly spaced apart and radially projecting conductive plates which alternate with the axially spaced and radially supported magnetic plates. The magnetic/electromagnetic plates include radially telescoping stem and seat portions for displacing the plates between extended positions which radially overlap with the conductive plates during a thermally conditioning mode thermal in which high frequency oscillating magnetic fields are conducted to the rotating component for outputting as a thermally conditioning fluid flow and inwardly retracted positions relative to the conductive plates during a non-thermally conditioning blower mode.

A magnet/electromagnet thermal conditioning blower system including a housing having a fluid inlet. A sleeve shaped support extends within the housing, a plurality of spaced apart magnetic/electromagnetic plates being communicated with the inlet, such that the plates extend radially from said sleeve support. A conductive component is rotatably supported about the sleeve support, the conductive component incorporating a plurality of linearly spaced apart and radially projecting conductive plates which alternate with the axially spaced and radially supported magnetic plates. The magnetic/electromagnetic plates include radially telescoping stem and seat portions for displacing the plates between extended positions which radially overlap with the conductive plates during a thermally conditioning mode thermal in which high frequency oscillating magnetic fields are conducted to the rotating component for outputting as a thermally conditioning fluid flow and inwardly retracted positions relative to the conductive plates during a non-thermally conditioning blower mode.

The disclosure provides a method for controlling air conditioner temperature. The method comprises the following steps: acquiring the operating mode of an air conditioner at the current moment, wherein the operating mode comprises refrigerating mode and heating mode; acquiring the historical duration of operation of the air conditioner in the operating mode; judging whether the historical duration is greater than the first set duration or not; and if so, setting the current operating temperature of the air conditioner based on the set operating temperature and the optimal reference temperature of the air conditioner at the first specified historical moment. The method has the advantages that the current operating temperature can be set according to the historical operating temperature of the air conditioner, and body feeling delay caused by the fact that a user has to manually set the temperature is avoided.

The disclosure provides a method for controlling air conditioner temperature. The method comprises the following steps: acquiring the operating mode of an air conditioner at the current moment, wherein the operating mode comprises refrigerating mode and heating mode; acquiring the historical duration of operation of the air conditioner in the operating mode; judging whether the historical duration is greater than the first set duration or not; and if so, setting the current operating temperature of the air conditioner based on the set operating temperature and the optimal reference temperature of the air conditioner at the first specified historical moment. The method has the advantages that the current operating temperature can be set according to the historical operating temperature of the air conditioner, and body feeling delay caused by the fact that a user has to manually set the temperature is avoided.

A variable air flow air conditioning (HVAC) systems and methods are disclosed. In example embodiments, one or more variable speed fans or air-moving devices are in communication with ducts connecting one or more zones of a structure or other space to be air conditioned. Zone temperature sensors and air flow measurement are provided to obtain particular measurements relative to the zone it is serving while communicating with a central control. Optionally, a distributed control system can be provided such that zone sensors communicate with both the central control and its respective zone controller. The control system collects and processes multiple datasets to dynamically and proportionally adjust the volumetric air flows of each of the zones to satisfy any loads or heating/cooling demands while also maintaining a net volumetric air flow across a coil of the indoor heat transfer unit within a preset range. In some example embodiments, enhanced variable air flow air conditioning (HVAC) systems and methods are disclosed.

A variable air flow air conditioning (HVAC) systems and methods are disclosed. In example embodiments, one or more variable speed fans or air-moving devices are in communication with ducts connecting one or more zones of a structure or other space to be air conditioned. Zone temperature sensors and air flow measurement are provided to obtain particular measurements relative to the zone it is serving while communicating with a central control. Optionally, a distributed control system can be provided such that zone sensors communicate with both the central control and its respective zone controller. The control system collects and processes multiple datasets to dynamically and proportionally adjust the volumetric air flows of each of the zones to satisfy any loads or heating/cooling demands while also maintaining a net volumetric air flow across a coil of the indoor heat transfer unit within a preset range. In some example embodiments, enhanced variable air flow air conditioning (HVAC) systems and methods are disclosed.

A heating, ventilation, and/or air conditioning (HVAC) system includes a compressor having an impeller configured to rotate and drive a working fluid through a working fluid circuit of the HVAC system in an active operating mode. The HVAC system further includes a controller configured to, in response to receiving an input indicative of a transition to operate in an inactive operating mode, suspend the active operating mode by interrupting a supply of power to the compressor, adjust pre-rotation vanes of the compressor, a variable geometry diffuser of the compressor to a first position, or both to enable a backflow of the working fluid through the compressor for a first interval of time, and, after the first interval of time has elapsed, adjust the pre-rotation vanes, the variable geometry diffuser, or both to a second position to block the backflow of the working fluid through the compressor.

A heating, ventilation, and/or air conditioning (HVAC) system includes a compressor having an impeller configured to rotate and drive a working fluid through a working fluid circuit of the HVAC system in an active operating mode. The HVAC system further includes a controller configured to, in response to receiving an input indicative of a transition to operate in an inactive operating mode, suspend the active operating mode by interrupting a supply of power to the compressor, adjust pre-rotation vanes of the compressor, a variable geometry diffuser of the compressor to a first position, or both to enable a backflow of the working fluid through the compressor for a first interval of time, and, after the first interval of time has elapsed, adjust the pre-rotation vanes, the variable geometry diffuser, or both to a second position to block the backflow of the working fluid through the compressor.

A method is provided for controlling an HVAC system. The method includes receiving zone priority levels and zone temperature setpoints, where at least one of the zones haves a higher priority level than others of the zones, receiving an indication of zone ambient temperature values, determining requested zone capacity values to maintain the zone ambient temperature values within a threshold deviation of respective ones of the zone temperature setpoints, determining target zone capacity values from the requested zone capacity values and zone size values, and from the zone priority levels where the target zone capacity values may be responsive to a total of the requested zone capacity values that is less than a minimum capacity or greater than a maximum capacity of the HVAC system, and causing the HVAC system to provide the conditioned air to the zones according to respective ones of the target zone capacity values.