When the thermostat senses a improve in temperature, it sends a signal to your zone damper, which opens or closes to regulate the air flow to that zone. بطاقة العربية للطيران بلاتينوم الائتمانية تذكرتك لمزيد من السفر Learning how HVAC dampers work can help you control your house’s weather greater. https://aircontroldampersforengin78900.bloggactif.com/38104019/the-fact-about-air-control-dampers-for-engine-sheds-that-no-one-is-suggesting