Keep windows and doors closed.
Air conditioner damper open or closed.
Each damper device helps regulate air flow within a particular room or zone.
A closed damper think of it like the handle cutting off the flow of air.
If you have a window air conditioner close the outdoor.
Reduce the smoke that enters your home.
Find the air conditioning duct trunks that lead out from the furnace.
It has nothing to do with venting flue gases up a chimney.
Our photo shows a motorized zone damper or air duct zone control produced by trolatemp a producer of automatic heating system controls.
In modern systems the same fan in the furnace is used to move both heated and chilled air so any dampers are only to control the amount of airflow to different zones.
This unit is an automatic opposed blade duct.
You don t say what this duct is to or why it would be open in one season or closed in another.
Open each damper by moving its lever so it points in the direction the duct travels not across it.
Dampers use a door mechanism that opens to allow more air flow or closes to reduce air flow within a particular zone.
If you have an hvac system with a fresh air intake set the system to recirculate mode or close the outdoor intake damper.
Confirm the damper in question is yielding the result you want by opening it and closing it again just to be sure.
Manual dampers are turned by a handle on.
Also called the damper switch the vent in older windows and wall mounted ac units look like a tiny black knobs in the air inlet grill from where cold air is being blown into the room.
Newer models will just have a button in place of the damper labeled as exhaust.
Locate the damper lever on each duct.
Pulling on the damper opens the vent while pushing it in closes it.
One or more of the vents in the area should be still with minimal to no air flow.
The duct damper is located in an air duct and blocks the flow of warm or cool air into building rooms.
Use fans and air conditioning to stay cool.
An open damper the handle should be pointing down the duct.
If you cannot stay cool seek shelter elsewhere.
Each metal lever is located on the side of the duct.
Normally the horizontal position is open angled down about 70 80 degrees is closed.