Although the two sides of an air filter might look the same, they are not. ... By installing your filter backwards, air will have a harder time flowing through the filter and your air handler will have to work harder to make up for the loss of airflow.Dec 19, 2017
Does the arrow point up or down on an air filter?
ANSWER: THE ARROWS ON ANY AIR FILTER NEED TO POINT IN THE SAME DIRECTION THE AIR IS FLOWING. For any air filter, whether it be for an air conditioner or a furnace, the ARROWS ALWAYS POINT IN THE DIRECTION OF AIR FLOW.Sep 8, 2016
Which way do Filtrete filters go?
To properly insert a new filter, look for the arrow! The arrow on your filter should always face the unit and away from the return air duct that carries the air that will be heated or cooled. HVAC systems push the cool or warm air out and pull spent air in, recirculating the air throughout your home.Jan 14, 2020
Does it matter what direction air filter goes?
By installing your filter backwards, air will have a harder time flowing through the filter and your air handler will have to work harder to make up for the loss of airflow. ... That arrow must always face toward the furnace and away from the return duct that carries the air in need of heating or cooling.Dec 19, 2017