Zandor,you do know alot about the HVAC! Yup! That's all true and been said more than once ! I'm sure!Anyway that was a good post for those who don't get the most out of their equipment,due to failure!Overheating! Can cause a fire! Push It! And,Push It Real Good!

Ga Grown!
Quote Originally Posted by Zandor
If it's a sealed hood it's better to push the air through. Sucking the air can in most blowers cause a pressure problem and they may not get up to full speed and run as freely as they should and that will produce heat in the motor.

If it's the room then you suck the air out of the room.