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Old 02-16-2011, 11:01 AM   #1
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Do i need dampers?


Well my question is basically two fold.
1. I am finishing my basement and adding registers and a return air to the system. I see that the ductwork currently has dampers in the system. I am drywalling the ceiling and curious why dampers are needed? Can't the airflow be adjusted at the registers in each room? Help me understand.
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Old 02-16-2011, 01:15 PM   #2
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Do i need dampers?


Dampers allows for a system's airflow to be accurately balanced. If it's done at the registers, it makes more noise when not completely open. A damper will too but because it's deeper inside the system, dampened by sheet rock and insulation, it's less noticeable at the register.

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Old 02-17-2011, 01:44 AM   #3
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Do i need dampers?


1 out of 20 systems have dampers, I always put them in, its really helpful to be able to balance airflow for a customer, it should always be done if you ask me.
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Old 02-17-2011, 04:41 AM   #4
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Do i need dampers?


Using the dampers in the registers often causes an annoying air flow noise.

Dry walling a basement ceiling if it has plumbing pipes in it. Is an expensive leaking plumbing repair down the road. A drop ceiling is often better.
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