Heating, ventilation, and air conditioning systems' air supply used to be constant volume ... This flow change is sensed by components of the main air handling unit so that the fan speed of the unit ...

[Nubmian] wrote in to share his experiments with measuring airflow in an HVAC system. His first video ... he get the same effects with off-the-shelf components? [Nubmian] created a rig using ...

Heating, air conditioning, and refrigeration (HVACR) technicians, also called installers or mechanics, work on the systems that control the temperature, humidity, and quality of the air in our homes, ...