The invention relates to devices for the treatment of air of at least one room. These are distinguished in particular by the fact that air which is low in bacteria, germs and odours can be provided in at least one room.

For this purpose, the device has at least one supply air line which supplies treated air and in each case has at least one air treatment device having at least one ionization module, an air flow sensor and an air humidity sensor. At least one exhaust air line has at least one air quality sensor. Furthermore, at least one dust-measuring device arranged in front of the ionization module and/or at least one dust-measuring device arranged in the exhaust-air line are present. In addition, the ionization module, the sensors and the dust measuring devices are connected to a data processing system for increasing or decreasing the ionization intensity. Furthermore, at least one device measuring the load current of the ionization module is connected to the data processing system, which assigns an operating state of the ionization module in the event of a load current change as a function of the measured values of the dust measuring device.

The present embodiment may comprise: a housing that have a suction port, a space formed therein, and a discharge port formed in an upper portion thereof; a purification unit and a blowing unit accommodated in the space; a discharge guide that is disposed in an upper portion of the housing and discharges blown air to the discharge port; a tilting mechanism that is connected to the discharge guide to tilt the discharge guide; and a lifting and lowering mechanism that lifts and lowers the tilting mechanism.

A method for operating an air-conditioning system that carries out an air quality testing cycle is disclosed. The air quality testing cycle includes: Step A: testing if the current pollutant concentration is below a predetermined first pollutant limit value; Step B: in the event that it is determined in the Step A that the current pollutant concentration is below the first pollutant limit value, testing if the bypass device is completely open or if the current flow rate of the blower device corresponds to a current air volume demand of the air-conditioning system; Step D: in the event that it is determined in the Step B that the bypass device is not completely opened or that the current flow rate does not correspond to the current air volume demand, testing current pollutant concentration is below a predetermined second pollutant limit value that is smaller than the first pollutant limit value.

A building system operates to receive air quality measurements of a plurality of spaces of the building from a mobile air quality sensor, the mobile air quality sensor configured to collect the air quality measurements of the plurality of spaces while the mobile air quality sensor moves throughout the plurality of spaces of the building and provide the collected air quality measurements to the one or more processors. The air quality measurements include data identifying locations and times at which the air quality measurements were collected The building system operates to cause the one or more processors to store information, or a link to the information, in a database based on the collected air quality measurements, the database including a contextual representation of the plurality of spaces of the building and perform at least one operation using the information based on the air quality measurements.

Provided is a powered air blower unit for delivering air flow to a user with constant air flow or varying speeds of air flow. The air blower unit may also include a filter for purifying the air.

Disclosed herein is an air cleaner disposed in an indoor space. An air cleaner according to an embodiment includes a blowing device including a suction port and a discharge port, a fan motor configured to generate an air flow, a purifying unit installed inside the blowing device to purify air, a driving portion configured to move the air cleaner, a communication unit configured to communicate with a moving agent moving in the indoor space, and a processor configured to receive status information including at least one of air quality information and dust occurrence information collected by the moving agent, determine a specific zone in which air purification is to be performed using the status information collected by the moving agent, and perform air purification in the specific zone.

A system and method for maintaining, monitoring and improving air quality and purity in a room or environment, such as a hospital room or operating room.

To provide a system that collects data from each sensor (airflow, temperature, humidity, atmospheric pressure, illuminance, and air pollution) that measures an environmental factor and can evaluate an environment in a factory in a complex manner. Environmental sensors that measure environmental elements including at least airflow from among the airflow, temperature, humidity, atmospheric pressure, illuminance, and a degree of air pollution, which are the environmental elements in a factory where a machining operation is performed, a display unit that visualizes and displays measurement results of a plurality of environmental elements measured by the environmental sensors, an evaluation and determination unit that evaluates and determines at least one of machine accuracy, work environment, and image accuracy based on the measurement results of the plurality of environmental elements, and a control unit that controls in-factory equipment so that an environment in the factory becomes a preset environment based on results of evaluation and determination by the evaluation and determination unit are included.

A sensor device comprises a radio circuit; air-quality detectors; a microcontroller; a building management system (BMS) integration module, the BMS integration module including a transceiver distinct from the radio circuit and a co processor distinct from the microcontroller; and a memory that configures the sensor device to: transmit, during a first time period, a wake-up signal, wherein the wake-up signal includes at least a packet number; send, during a second time period, an acknowledgment (ACK) signal, wherein the ACK signal is sent in reference to a synchronized time slot and a packet number; transmit, during a third time period, at least sensor reading data of least one air quality detector, wherein the sensor reading data is encrypted using at least an encryption key stored in the memory; receive, during a fourth time period, a sleep signal; and enter into a sleep mode upon receipt of the sleep signal.

An air purifier including a fan having a plurality of fan speeds; a filter, wherein the fan draws air through the filter; a user interface in communication with a control system; wherein upon activation of the control system, the control system identifies an initial air quality index (AQI) based upon a geographic location of the air purifier, a room size based upon the type of room in which the air purifier is placed, and identifies a fan speed set by a user through the user interface, and determines a target air quality index achievable in thirty minutes of fan operation is provided. Further provided is an air purifier capable of predicting and updating time to achieve a target air quality and a target air quality based on a number of environmental factors.