Abstract: A variable air volume (VAV) box includes a fan operable to induce airflow from a building space through the VAV box and discharge the airflow back to the building space, an air cleaning device positioned to clean the airflow through the VAV box before discharging the airflow back to the building space and configured to affect an air quality of the airflow, and a controller configured to operate the fan to modulate the airflow through the VAV box to achieve a target air quality for at least one of the airflow discharged from the VAV box or air within the building space.

Abstract: A disinfection device system of a building comprising: a controller comprising at least one processor and at least one memory having instructions stored thereon that, when executed by the at least one processor, are configured to cause the at least one processor to: monitor one or more conditions of a space in the building; and selectively activate and deactivate at least one Far UV-C disinfection device installed in the space using the conditions of the space and one or more of an energy budget, a target total operating cost, or a net emissions target, wherein the Far UV-C disinfection device comprises at least one Far UV-C light source structured to output disinfecting light at a wavelength between 200 nm and 230 nm.

Abstract: Systems, methods and computer-readable storage medium for air quality monitoring. One system of a building includes a controller including memory and at least one processor configured to receive, from a plurality of sensors, infectious agent data, the plurality of sensors disposed throughout the building, at least one of the plurality of sensors including an apparatus configured to collect samples, wherein the plurality of sensors configured to continuously test the samples over a sampling period for infectious agents and provide the infectious agent data to the controller. The at least one processor is further configured to determine at least one area of the building exposed to the infectious agent. The at least one processor is further configured to selectively control an amount of equivalent clean air delivered to the at least one area based on an indication of the infectious agent.

Abstract: A heating, ventilation, or air conditioning (HVAC) system for one or more building zones includes airside HVAC equipment that provide air to the one or more building zones and a controller. The controller obtains predictive models to predict values of a first control objective and a second control objective for the one or more building zones as a function of control decision variables for the airside HVAC equipment. The controller performs a Pareto optimization for a time period using the one or more predictive models to determine multiple sets of Pareto optimal values of the control decision variables and corresponding sets of Pareto optimal values of the first control objective and the second control objective for the time period. The controller operates the airside HVAC equipment to provide the air to the one or more building zones in accordance with a selected set of the Pareto optimal values.

Abstract: A controller for heating, ventilation, or air conditioning (HVAC) equipment operable to affect an environmental condition of a building is configured to obtain predictive models that predict values of an energy control objective and an air quality control objective as a function of control decision variables for the HVAC equipment. The controller executes a multi-objective optimization process using the predictive models to produce multiple sets of optimization results corresponding to different values of the control decision variables, the energy control objective, and the air quality control objective. The controller selects one or more of the sets of optimization results based on the values of the energy control objective and the air quality control objective. The controller operates the HVAC equipment to affect the environmental condition of the building in accordance with the values of the control decision variables corresponding to a selected set of the optimization results.

Abstract: A building system including one or more storage devices storing instructions thereon that, when executed by one or more processors, cause the one or more processors to ingest information associated with a physical asset of a building, the physical asset being an indoor air quality device. The instructions further cause the one or more processors to cause a graphical model of the building to include a heat map of one of infection risk or particulate concentration overlaid onto a floor of the graphical model based on the information. The instructions further cause the one or more processors to generate a building layout recommendation based on the heat map of the one of the infection risk or the particulate concentration. The instructions further cause the one or more processors to cause a display device of a user device to display the graphical model including the heat map and the building layout recommendation within a user interface.

Abstract: A controller for heating, ventilation, or air conditioning (HVAC) equipment that is operable to affect an environmental condition of a building is configured to obtain predictive models that predict values of a carbon emissions control objective and another control objective as a function of control decision variables for the HVAC equipment. The controller executes an optimization process using the predictive models to produce sets of optimization results corresponding to different values of the control decision variables, the carbon emissions control objective, and the other control objective. The controller selects from the sets of optimization results based on the values of the carbon emissions control objective and the other control objective. The controller operates the HVAC equipment to affect the environmental condition of the building in accordance with the values of the control decision variables corresponding to a selected set of the optimization results.

Abstract: Systems, methods, and computer-readable storage media for building air quality assessment. One system includes a one or more processors configured to receive air quality measurements of at least a plurality of air quality sensors of a plurality of spaces of the building. The one or more processors further configured to generate a plurality of air quality metrics of the plurality of spaces based on the air quality measurements and at least one IAQ performance metric, and wherein the at least one IAQ performance metric contextualizes the air quality measurements. The one or more processors further configured to generate a graphical interface including a plurality of interface objects corresponding to the plurality of air quality metrics of the plurality of spaces of the building and cause a display device of a user device to display the graphical interface.

Abstract: A mobile sensor for a building includes a sensor, and a wireless transceiver. The sensor is configured to measure an indoor air quality parameter in an air sample at a current location of the mobile sensor as the mobile sensor transports through the building. The wireless transceiver is configured to transmit the measurement of the indoor air quality parameter and an indication of the current location of the mobile sensor to a building controller.

Abstract: A method for providing filtered air to a zone of a building includes operating an air handler to pass unfiltered air through a filter and output filtered air to the zone of the building. The method includes determining an amount of filtered air provided to the zone of the building by the air handler. The method includes determining if additional air filtration is required to satisfy at least one of a desired amount of clean airflow or a desired reduction of a risk of infection. The method includes activating an in-zone filtration device and operating the in-zone filtration device to draw air from the zone into an inner volume, filter the air, and recirculate the filtered air to the zone of the building in response to determining additional air filtration is required.

Abstract: A building management system can include one or more computer-readable storage media. The one or more computer-readable store can have instructions stored thereon that, when executed by one or more processors, cause the one or more processors to obtain, from a regional air quality data source, a first set of outdoor air quality data, wherein the first set of outdoor air quality data represents air quality measured for a region, obtain, from one or more local sensors coupled to and/or positioned proximate to the building, a second set of outdoor air quality data, wherein the second set of outdoor air quality data represents air quality measurements at one or more positions at or near an exterior of the building, and generate, using the first set of outdoor air quality data and the second set of outdoor air quality data, an air quality assessment for the building.

Abstract: A pathogen detection system for a building includes a plurality of pathogen detectors positioned in the building at a plurality of locations, the plurality of pathogen detectors configured to output pathogen data indicating whether presence of a pathogen has been detected. The pathogen detection system further includes processing circuitry configured to obtain first detection data from a first pathogen detector of the plurality of pathogen detectors positioned at a first location in the building, in response to obtaining the first detection data, analyze second detection data from a second pathogen detector of the plurality of pathogen detectors, determine a responsive action associated with an area or zone of the building based on the first detection data and the second detection data, and perform the responsive action or initiate the responsive action within the area or zone.

Abstract: A building system for a building. The building system can include one or more memory devices. The one or more memory device can store instructions. The instructions, when executed by one or more processors, can cause the one or more processors to receive, from one or more sensors, air quality measurements associated with one or more spaces of the building, and generate, using the air quality measurements, a productivity score for at least one of the building or at least one space of the one or more spaces of the building. The productivity score can be based on a predicted productivity or effect on productivity of one or more occupants of the building in view of the air quality measurements.

Abstract: Systems and methods for executing an IAQ analysis of a building. One system includes a controller including memory and one or more processors configured to obtain IAQ data from one or more sensors within the building, wherein the IAQ data is associated with at least one of a plurality of environment species, obtain BAS data, identify one or more unknown parameters from the IAQ data and BAS data of two or more of the plurality of environment species, estimate the one or more unknown parameters based on inputting the IAQ data and the BAS data into an optimization model, and wherein the optimization model analyzes predicted concentrations of the plurality of environment species subject to the two or more of the plurality of environment species evolving according to a single-species concentration model, and provide the estimated one or more unknown parameters to one or more predictive models.

Abstract: A building system of a building includes an in-zone plume control system located within a zone of the building, the in-zone plume control system including one or more return air inlets comprising openings to receive one or more air plumes generated by one or more users. The in-zone plume control system includes one or more exhaust outlets configured to exhaust the one or more air plumes, a filter, and a fan configured to draw the one or more air plumes in through the one or more return air inlets, through the filter, and out through the one or more exhaust outlets back into the zone, wherein the filter is configured to filter the one or more air plumes to remove particles from the one or more air plumes before returning the one or more air plumes to the zone.

Abstract: Systems and methods for particulate sensing of a building. Some embodiments relate to an air handling unit of an HVAC system of a building. The air handling unit includes ducting, one or more air dampers coupled to the ducting, and an integrated sampling system including piping coupled to at least one of the ducting or the one or more air dampers and configured to collect a plurality of air stream samples, a plurality of integrated sensors configured to measure the air stream sample, wherein a first integrated sensor is configured to measure a first species of the air stream sample, and wherein a second integrated sensor is configured to measure a second species of the air stream sample, and a processing circuit configured to estimate one or more air quality indicators of the air handling unit.

Abstract: Systems and methods for particulate sensing of a building. Some embodiments relate to an air handling unit of an HVAC system of a building. The air handling unit includes a zone sensor configured to sample a first zone and measure a first particle disturbance of the first zone, an integrated sampling system includes one or more integrated sensors configured to measure a second particle disturbance of an outdoor air stream and a third particle disturbance of an indoor air stream. The air handling unit further includes an air handling unit controller configured to control operation of the air handling unit, responsive to comparing the second particle disturbance with at least one of the first particle disturbance or and the third particle disturbance.

Abstract: Systems and methods for executing an IAQ analysis of a building. One system includes a controller including memory and one or more processors configured to obtain IAQ data from one or more sensors within the building, wherein the IAQ data is associated with at least one of a plurality of environment species, obtain BAS data, identify one or more unknown parameters from the IAQ data and BAS data of two or more of the plurality of environment species, estimate the one or more unknown parameters based on inputting the IAQ data and the BAS data into an optimization model, and wherein the optimization model analyzes predicted concentrations of the plurality of environment species subject to the two or more of the plurality of environment species evolving according to a single-species concentration model, and provide the estimated one or more unknown parameters to one or more predictive models.

Abstract: Systems and methods for controlling building equipment based on an indoor air quality (IAQ) ventilation analysis of a building. One system includes a controller including memory and one or more processors configured to continuously collect IAQ data from one or more sensors within the building, estimate a plurality of outdoor airflow rates for an area of the building during a plurality of transient periods using the IAQ data as input, generate a time series outdoor airflow rate includes the plurality of estimated outdoor airflow rates, and modify a control strategy for the area of the building based on the time series outdoor airflow rate and a ventilation schedule for the area of the building.

Abstract: A building system for a school building, the building system including one or more memory devices storing instructions thereon that, when executed by the one or more processors, cause the one or more processors to receive attendance data indicating whether occupants of the school building are present or absent from the school building, determine, based on the attendance data, an infection risk level of at least one of the school building, a space of the school building, or one or more of the occupants to being infected with an infectious disease present in a population, and perform one or more operations for causing the infection risk level to be reduced in the school building.