[Nubmian] wrote in to share his experiments with measuring airflow in an HVAC system. His first video deals ... a single-path acoustic transit time flow meter. The question was, could he get ...

Staying on top of your home's airflow is not only key to making sure your spaces stay at a comfortable temperature all year ...

Completely closing your vents might damage your HVAC system and raise energy costs, but you could save money with fewer risks ...

Heating, ventilation, and air conditioning systems' air supply used to be constant volume into a space. Now a variable air volume control is being used to provide the proper amount of air flow to a ...

Pinwheels are pretty optimized from a design standpoint, and are so cheap and easy to build that putting a pinwheel to work as an HVAC duct ... His experiments in air duct flow measurements ...