# US 12,222,126 B2 · Method and device for controlling indoor climate in a portion of a building > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,222,126 B2 - Document ID: US12222126B2 - Status: Granted - Kind: B2 - Application number: 17/595,041 - Filed: 2020-04-17 - Published: 2022-07-07 - Granted: 2025-02-11 - Earliest claimed: 2019-05-09 - Assignees: E.On Sverige AB - Applicants: E.On Sverige AB - Inventors: Bengt Lindoff; Per Rosén; Jacob Skogström; Fredrik Rosenqvist; Helen Carlström - Web page: https://patentgrep.com/patent/US12222126B2 ## CPC - F24F 11/65: for selecting an operating mode - G05D 23/1919: {characterised by the type of controller} - F24F 11/30: for purposes related to the operation of the system, e.g. for safety or monitoring - F24F 11/58: using Internet communication - F24F 11/64: using pre-stored data - F24F 11/74: for controlling air flow rate or air velocity - F24F 11/80: for controlling the temperature of the supplied air - F24F 2120/12: Position of occupants - F24F 2140/50: Load - F24F: AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced B08B15/00; vertical ducts for carrying away waste gases from buildings E04F17/02; tops for chimneys or ventilating shafts, terminals for flues F23L17/02) - G05D: SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES ## Abstract A method for controlling indoor climate in a portion (102) of a building (100) is presented. The method comprises: identifying (S402), based on a wireless communication based positioning function, electronic devices (204a, 204b, 204c) present in the portion (102) of the building (100); for each identified electronic device, determining whether the identified electronic device is associated with a user; determining (S406) an estimated total amount of heat dissipation present in the portion (102) of the building (100) based on an amount of heat dissipation associated with the respective user to which the respective identified electronic device is associated; and controlling (S408) indoor climate in the portion (102) of the building (100) based on the estimated total amount of heat dissipation present in the portion (102) of the building (100). Also, a server (106) and a system for performing the controlling are presented. ## Claims ### Claim 1 A method for controlling indoor climate in a portion of a building, the method comprising: identifying, based on a wireless communication based positioning function, electronic devices present in the portion of the building; for each identified electronic device: determining whether the identified electronic device is associated with a user; and determining whether the user is logged into the electronic device; determining an estimated total amount of heat dissipation present in the portion of the building based on an amount of heat dissipation associated with the respective user to which the respective identified logged in electronic device is associated; and controlling indoor climate in the portion of the building based on the estimated total amount of heat dissipation present in the portion of the building. ### Claim 2 (depends on 1) The method according to claim 1, further comprising: identifying the respective user; and determining the estimated total amount of heat dissipation present in the portion of the building based on a summation of the amount of heat dissipation associated with each uniquely identified user. ### Claim 3 (depends on 1) The method according to claim 1, further comprising: for each identified electronic device: determining an amount of heat dissipation associated with the identified electronic device; and adding the amount of heat dissipation associated with the identified electronic device to the estimated total amount of heat dissipation present in the portion of the building. ### Claim 4 (depends on 3) The method according to claim 3, wherein the step of, for each identified electronic device, determining an amount of heat dissipation associated with the identified electronic device comprises: determining a type of the electronic device and accessing a database comprising information pertaining to heat dissipation associated with different types of electronic devices. ### Claim 5 (depends on 1) The method according to claim 1, wherein the step of identifying electronic devices present in the portion of the building comprises: at least one of identifying the electronic devices wirelessly connected to a wireless access point associated with the portion of the building and identifying electronic devices being within a range of the wireless access point associated with the portion of the building. ### Claim 6 (depends on 1) The method according to claim 1, wherein the step of controlling indoor climate in the portion of the building comprises controlling heating and/or cooling of the portion of the building. ### Claim 7 (depends on 1) The method according to claim 1, wherein the step of controlling indoor climate in the portion of the building comprises controlling ventilation of the portion of the building. ### Claim 8 (depends on 1) A method for individually controlling indoor climate in each portion of a plurality of portions in a building, the method comprising: for each portion of the building performing the method according to claim 1. ### Claim 9 (depends on 1) A non-transitory computer readable recording medium comprising program code portions recorded thereon which when executed on a device having processing capability is configured to perform the method of claim 1. ### Claim 10 A server configured to control indoor climate in a portion of a building, the server comprising: a control circuitry configured to execute: an electronic device identification function configured to identify electronic devices present in the portion of the building based on a wireless communication based positioning function, a heat dissipation estimation function configured to determine an estimated total amount of heat dissipation present in the portion of the building based on a summation of amounts of heat dissipation associated with users associated with the electronic devices identified as being present in the portion of the building, wherein the users are identified based on associated electronic devices of the users that are currently logged in, an indoor climate control function configured to generate an indoor climate control signal, wherein the indoor climate control signal is based on the estimated total amount of heat dissipation present in the portion of the building; and a transceiver configured to send the indoor climate control signal to an indoor climate control assembly associated with the portion of the building. ### Claim 11 (depends on 10) The server according to claim 10, wherein the heat dissipation estimation function is further configured to determine the estimated total amount of heat dissipation present in the portion of the building based on a summation of amounts of heat dissipation associated with the identified electronic device. ### Claim 12 A building management system comprising: a plurality of indoor climate control assemblies, each associated with an individual portion of a building; and a server configured to individually control indoor climate in the individual portions of the building, the server comprising: a control circuitry configured to execute: an electronic device identification function configured to identify electronic devices present in each individual portion of the building that are currently logged in, based on a wireless communication based positioning function, a heat dissipation estimation function configured to determine an estimated total amount of heat dissipation present in each individual portion of the building based on a summation of amounts of heat dissipation associated with users associated with the logged in electronic devices identified as being present in the individual portion of the building, an indoor climate control function configured to for each individual portion of the building generate an indoor climate control signal, wherein each indoor climate control signal is based on the estimated total amount of heat dissipation present in the individual portion of the building; and a transceiver configured to send the indoor climate control signals to a respective one of the indoor climate control assemblies associated with the individual portion of the building. ### Claim 13 (depends on 12) The building management system according to claim 12, wherein the heat dissipation estimation function is further configured to determine the estimated total amount of heat dissipation present in the individual portion of the building based on a summation of amounts of heat dissipation associated with the electronic devices identified as being present in the individual portion of the building. ### Claim 14 (depends on 12) The building management system according to claim 12, further comprising a plurality of wireless access points, wherein each wireless access point is associated with each individual portion of the building, wherein the electronic device identification function is configured to identify electronic devices present in an individual portion of the building by identifying electronic device wirelessly connected to the wireless access point associated the individual portion of the building and/or identifying electronic devices being within a range of the wireless access point associated with the portion of the building. ### Claim 15 (depends on 12) The building management system according to claim 12, wherein each of the plurality of indoor climate control assemblies comprises one or more of: a heating device configured to heat the individual portion of the building associated with the indoor climate control assembly, a cooling device configured to cool the individual portion of the building associated with the indoor climate control assembly, and a ventilation device configured to ventilate the individual portion of the building. ### Claim 16 (depends on 1) The method according to claim 1, further comprising determining that a particular user is associated with a plurality of the electronic devices in the portion of the building, and in response to determining that the particular user is associated with the plurality of the electronic devices, including heat dissipation associated with the particular user to the estimated total amount of heat dissipation once.