![What Is The Correct Furnace Filter Direction? How to Replace Furnace Filter / Furnace and Air Conditioner repair in Olathe, Overland Park, Lenexa, Shawnee, and Gardner What Is The Correct Furnace Filter Direction? How to Replace Furnace Filter / Furnace and Air Conditioner repair in Olathe, Overland Park, Lenexa, Shawnee, and Gardner](https://www.onehourairkc.com/wp-content/uploads/2021/01/filter-e1610499191409.png)
What Is The Correct Furnace Filter Direction? How to Replace Furnace Filter / Furnace and Air Conditioner repair in Olathe, Overland Park, Lenexa, Shawnee, and Gardner
National Property Inspections - A common mistake on furnace filters is air flow direction. Arrow on this filter should be slanted down. Remember to Change it as needed every 1-3 months. Air
![Airflow direction? Central heat AC unit which is forced air. Red arrow was my guess after looking online, but the filter was pointing the opposite direction. Dumb, I know. : r/hvacadvice Airflow direction? Central heat AC unit which is forced air. Red arrow was my guess after looking online, but the filter was pointing the opposite direction. Dumb, I know. : r/hvacadvice](https://i.redd.it/0ukuwmhkfz081.jpg)