In the event the thermostat senses a adjust in temperature, it sends a sign for the zone damper, which opens or closes to control the air circulation to that zone. “HVAC dampers would be the unsung heroes of property comfort and ease, silently Performing to build the right indoor environment.” https://erickkcres.activoblog.com/42228526/facts-about-air-control-dampers-for-hot-climates-revealed