5 Tips for Controlling Air Flow in Attic Ducts

by Editor on August 17, 2013

My attic

Keeping the temperature of your home consistency comfortable can be a challenge. All rooms receive different amounts of sunlight, plus each level of your home varies in temperature since heat rises. In order to help regulate the temperature, you may want to control the airflow that is sent into each space. To do this you will need to adjust the valves that control airflow called the dampers. There are located in the ductwork in your attic. Here are 5 tips for controlling airflow in attic ducts.

  1. Before adjusting anything in the ducts, be sure to turn all vents so that they are open in your home. You can close them later, but it is best to have them completely open before you begin so that you will have an accurate understanding of how much air is flowing into each room.
  2. When working with the air ducts it is important that you have good lighting. This is often difficult in attics with dim or limited lighting. Therefore you may want to bring lights with you or use a flashlight. If you do have any windows in your attic, make sure they are clear so that sunlight can come inside. This will help to make the whole project much easier to complete.
  3. Next, you will need to find the damper in the air duct. You can do this by following an air duct to the furnace. You will be able to find the damper within the duct. This damper can be adjusted using a lever or a rod, depending on the model. You will want to open the damper completely by turning each one. If it is a rod instead of a lever you may need to use a screwdriver.
  4. When the dampers are open, you will want to check the house to determine the airflow in each room of your home. You will need to go from room to room in order to get a good assessment. If you have someone to help you, this can be much easier. Depending on the airflow, you may need to go back to the damper to make further adjustments so that the airflow is to your liking. In order to do this, you will need to know which damper goes to which room in your house. Once you figure out the pairings, you will want to label the ductwork with a marker for future reference.
  5. Once you have adjusted airflow accordingly, you can open and close the vents as needed in any space of your home to better adjust the temperature of that specific space. You can keep vents closed in rooms that your rarely use in order to save money on your energy bill each month and reduce the amount of energy you waste.

All of these tips will help ensure you are prepared for the before, during and after portions of adjusting airflow in the ducts of your attic. In addition to other heating and cooling maintenance techniques such asĀ duct cleaning, sealing, being able to control the airflow will be an essential tool. Using these tips will help keep your home at a comfortable temperature in every room while saving you on energy costs as well.

photo by: Ben Husmann

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