This home has a single heating and air system that controls three zones within the house. One zone in the second floor bedroom area, the second zone will be the master bedroom bath area, and the third zone is the net of the remaining part of the house. 

It’s controlled by electronic dampers, which are communicated to and controlled by the main brain of the system here. But that allows us to increase or decrease the airflow according to the call out for the thermostats within each of the areas of the zones.

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