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If you close too many vents air pressure will build up in the ductwork.
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You may hear a slight whistling of air passing through the vent s crevices.
This causes your hvac system to work harder than necessary at getting air through to the house.
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Homeowners typically close vents in an attempt to redirect air away from unused spaces.
It will continue blowing the same amount of air whether your vents are open or closed.
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1 place the stepladder under the ceiling vent you want to open or close.
Locate the dial or switch on the vent.
On some diffusers you may have to adjust individual blades manually.
If it is a rectangular vent a switch is located on either the right or left side of it.
If you want to close a vent to an unused room to save energy costs but the vent won t close tightly you have some options to fix the problem.
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Move the diffuser s vent lever into the closed position.
The belief is that closing a vent will simply push the air onward to other parts of the home improving energy efficiency.
A room with closed vents and a closed door will also have a pressure difference.
However the reality is a very different situation which may actually cause energy bills to rise for your luling louisiana home.
If it is a square or round vent a dial is usually located in the center.
For pricing and availability.