How Do Multi Zone Hvac Systems Work

A zoned HVAC system divides your home into multiple zones, each controlled by its own thermostat. This allows you to set each room to the ideal temperature for you, instead of having to heat or cool the entire home to just one temperature.

How do multi-zone thermostats work?

When multiple thermostats control one system, the house is divided into zones using dampers in the ductwork throughout the house. When one zone needs heating or cooling, the damper for the ductwork in that zone opens, guiding the warm or cool air to that zone.

How many zones can you have on a HVAC system?

Each system can open and close the dampers according to how much heat or cool is required for individual zones. They can do more than just open and close fully; they can pick a position somewhere between the two, depending on how much airflow is called for. A zoning panel controls up to four zones.