Static pressure is one of the most useful measurements HVAC contractors rely on when diagnosing airflow and performance problems. A heating and cooling ...

DOUBLE CHECK IT: Each blower has a different motor horsepower, blower wheel size, and airflow rating. Make sure you use the correct fan table. November 26, 2018 When you measure static pressure, duct ...

[Editor’s note: When we last visited with lead installer John and his helper Charlie (in the June 11 issue), they had learned how to measure external static pressure on a new system they had just ...

I need to dramatically increase airflow in my Node 304. I'm looking for a very high RPM fan, but more importantly, it needs a lot of static pressure. The reason is it needs to force air in through a ...