These are put in during the HVAC ductwork and are activated to shut if they sense smoke. Smoke dampers are frequently crafted from aluminum and also have a motorized actuator that closes the damper. “HVAC dampers tend to be the unsung heroes of residence comfort, silently Functioning to create the https://aircontroldampersforhotcl67889.estate-blog.com/35619115/air-control-dampers-for-hot-climates-things-to-know-before-you-buy