[Nubmian] set the transducers up in a PVC pipe and blew air into it with a fan ... the ground did the trick. For more HVAC projects check out this pinwheel flow meter and [Adam]’s piece on ...

Measuring air flow in an HVAC duct can be a tricky business ... The principle behind the sensor [ItMightBeWorse] is working on is nothing new. He discovered a paper from 2015 that describes ...

An HVAC pressure sensor plays a crucial role in measuring and monitoring the pressure within heating, ventilation, and air conditioning ... regulate refrigerant flow. Proper airflow flow is ...

There’s more to efficiency than simply turning down the speed of a motor. ABB’s Carl Turbitt explains how plant optimisation, ...