Backdraft dampers: Put in to permit one particular-way airflow, these styles incorporate shafts on one particular close of each blade to avoid air from flowing again in the alternative direction. If required, a counterbalance can aid. When the thermostat senses a modify in temperature, it sends a signal for the https://air-control-dampers-for-e57788.ampedpages.com/a-secret-weapon-for-air-control-dampers-for-hot-climates-63558278