Patent attributes
An indoor air quality system and method for a building. In an embodiment, the system includes a plurality of exhaust fans and a plurality of controllers. The exhaust fans each have a predetermined exhaust rate. The controllers are configured to monitor an actual volume of air exhausted by the indoor air quality system, and to automatically operate the exhaust fans to exhaust a desired volume of air during a time period. In an embodiment, the method includes setting parameters in a plurality of controllers, communicating to the controllers an operating state of the fans, determining a time at which to energize the fans such that the volume of air to exchange during the time period is exchanged during the time period, and energizing the fans at the determined time.
