Systems and methods are configured to control operation of an HVAC system providing climate control for a zone of a structure. In various embodiments, a constrained optimization problem is performed to set control commands for controlling operation of the HVAC system to achieve one or more objectives while providing a supply air flow at an air temperature and a humidity ratio for the zone at a future time. For instance, the optimization problem may include a cost function having constraints based on a desired temperature setpoint and a humidity ratio for the zone. A value is set for each control command based on the performance of the constrained optimization problem to achieve at least one of the objectives and as a result, the supply air flow at the air temperature and humidity ratio is provided by the HVAC system at the future time to the zone based on the values.

Methods and related systems of detecting a temperature deviation in a heat exchanger coil of a climate control system. The method includes determining an enthalpy of the indoor space. The method includes detecting a coil temperature of the heat exchanger. The method includes detecting a coil temperature deviation based on the enthalpy and the detected coil temperature.

The system for aggregation and prioritization of diagnostic data for the purpose of mechanical system tuning allows the user, or technician, to quickly tune a complex mechanical system, such as a HVAC system. Tuning is assisted by rendering alert, system performance, and subsystem performance using a consistent visual tuner as a replacement for traditional mechanical gauges. Diagnostic data is collected by one or more data trackers and sensors installed on mechanical components within the HVAC unit. Data collected includes temperatures, flow, amperage consumption, refrigerant pressure, and related metrics. When the user opens the interface for the mechanical system tuner, the user is first prompted to select a location and a time period. The system then reviews its previously collected data, sorting and processing for the location and time period selected. The user is then presented with multiple performance measurements rendered in a consistent graphical, color-coded format.

The system for aggregation and prioritization of diagnostic data for the purpose of mechanical system tuning allows the user, or technician, to quickly tune a complex mechanical system, such as a HVAC system. Tuning is assisted by rendering alert, system performance, and subsystem performance using a consistent visual tuner as a replacement for traditional mechanical gauges. Diagnostic data is collected by one or more data trackers and sensors installed on mechanical components within the HVAC unit. Data collected includes temperatures, flow, amperage consumption, refrigerant pressure, and related metrics. When the user opens the interface for the mechanical system tuner, the user is first prompted to select a location and a time period. The system then reviews its previously collected data, sorting and processing for the location and time period selected. The user is then presented with multiple performance measurements rendered in a consistent graphical, color-coded format.

A building system can connect to temporary air quality sensors installed throughout spaces of the building for a period of time. The building system can receive air quality measurements of the temporary air quality sensors over the period of time and disconnect from the temporary air quality sensors at an end of the period of time, wherein the temporary air quality sensors are uninstalled at the end of the period of time. The building system can generate a control strategy based on the air quality measurements, the control strategy for controlling equipment of the building to improve air quality of the building and cause a building management system to implement the control strategy to control the equipment of the building to improve the air quality of the building.

A building system can connect to temporary air quality sensors installed throughout spaces of the building for a period of time. The building system can receive air quality measurements of the temporary air quality sensors over the period of time and disconnect from the temporary air quality sensors at an end of the period of time, wherein the temporary air quality sensors are uninstalled at the end of the period of time. The building system can generate a control strategy based on the air quality measurements, the control strategy for controlling equipment of the building to improve air quality of the building and cause a building management system to implement the control strategy to control the equipment of the building to improve the air quality of the building.

Apparatus, systems and methods for ascertaining the occupancy of a building are presented. The building is divided into one or more control zones which correspond to physical areas of the building associated with controllable modules, such as HVAC units, lighting, irrigation, or other environmental features such as fountains, music, video, and the like. Zone parameters define how zone devices shall react to the number of occupants located in the particular zone. A building control system detects individual mobile devices in and around the building, and determines the locations of each device by using trilateration and/or location services. The identified mobile devices act as proxies for building occupants. The locations of these devices are correlated with the locations of the zones in the building, and the building control system then adjusts the operating parameters of the zone based on the number of devices present in the zone.

An air conditioning apparatus including a storage unit that stores therein a setting table in which a schedule of an air conditioning operation for one week is set, and a control unit that executes operation control according to the schedule in the setting table, the air conditioning apparatus including a remote controller that sets operation information of a target time slot as a part of one week, and a temporary storage unit that temporarily stores therein the set operation information of the target time slot, wherein the control unit executes operation control based on the operation information of the target time slot stored in the temporary storage unit in priority to the schedule in the setting table.

A building management system includes a building efficiency improvement system and method configured to monitor and control subsystems and equipment for improved efficiency of operation. A user device is configured to display a user interface for monitoring and controlling one or more building equipment efficiency parameters and settings. The building efficiency management system further includes a controller configured to collect and analyze data from equipment, generate displays of the operational status and efficiency levels, generate sets of alternative equipment control algorithms based on efficiency objectives, and present users with a set of alternative equipment control algorithms displayed via graphic user interface elements on the user device. The user device further provides a means to select and implement an alternate equipment control algorithm. The controller is further configured to receive inputs from the user device commanding changes to equipment controls and process transactions associated with changes to equipment configuration.

A building management system includes a building efficiency improvement system and method configured to monitor and control subsystems and equipment for improved efficiency of operation. A user device is configured to display a user interface for monitoring and controlling one or more building equipment efficiency parameters and settings. The building efficiency management system further includes a controller configured to collect and analyze data from equipment, generate displays of the operational status and efficiency levels, generate sets of alternative equipment control algorithms based on efficiency objectives, and present users with a set of alternative equipment control algorithms displayed via graphic user interface elements on the user device. The user device further provides a means to select and implement an alternate equipment control algorithm. The controller is further configured to receive inputs from the user device commanding changes to equipment controls and process transactions associated with changes to equipment configuration.