Patent ID: 11913655
Assignee: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
Field: Chemical engineering (Chemistry)
Classification: CPC F  B  G  Y | IPC F  G

Claim 1:
2. The system of claim 1, wherein:
measuring the one or more characteristics of the first fluid within the air duct of the BMS comprises measuring at least one of a carbon dioxide, nitrous oxide, particulate matter, or ozone levels of the first fluid;
measuring the one or more characteristics of the second fluid after the second fluid has been filtered comprises measuring at least one of a carbon dioxide, nitrous oxide, particulate matter, or ozone levels of the second fluid;
measuring one or more characteristics of the first fluid is performed by a first set of sensors and measuring the one or more characteristics of the second fluid after the second fluid has been filtered is performed by a second set of sensors.