You sound fairly hands on. I guess I might buy a Magnehelic gauge with the range I needed where I could find one. Maybe Ebay. I've seen them there.
And do it myself.
Extra good if you found you needed more or less air.
It's entirely possible the installers don't understand pressure relationships.
That would be my guess.
Tracers work both ways.
I think I'll try that. Thanks for the help.
Originally Posted by hvacker
Before balancing, why are all of the exhaust systems turned off? Wouldn't this create a negative pressure, when they are turned on again after the system is balanced?
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