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. This could lead to higher utility bills and possibly damage your furnace or air conditioner.Dec 19, 2017
Does the arrow point up or down on an air filter?
For any air filter, whether it be for an air conditioner or a furnace, the ARROWS ALWAYS POINT IN THE DIRECTION OF AIR FLOW. When you install a new air filter into the AC return duct, the arrows face inward to specify which way the air is flowing.Sep 8, 2016
How do I know which way the air flows in my furnace?
If you are looking at a furnace filter, find the arrow that indicates the proper air flow direction. That arrow must always face toward the furnace and away from the return duct that carries the air in need of heating or cooling.Jun 11, 2021
How are air filters supposed to fit?
Your filter should be a bit smaller on each side of the filter housing slot, thus allowing you to slide the filter in with ease. Most AC and HVAC units use standard sized filters, but some do require a custom size air filter.Nov 7, 2017
Should my air filter stick out?
But please, make sure you get the right sized air filter! Leaving the filter sticking out like this can reduce the efficiency of your system by 30%-50%! It's true. If you don't have the right sized filter and if you don't air seal the filter slot, then where do you think the system is pulling the air from?Mar 14, 2011
How do you hold an air filter in place?
https://www.youtube.com/watch?v=zos3ZRqiVAY
What happens if air filter is loose?
Without an air filter in place, the engine may also be sucking dirt and debris in at the same time. This can cause damage to internal engine parts, such as valves, pistons and cylinder walls. The result is excessive oil consumption, poor engine performance, and eventually engine failure.
Which way does air filter go in attic?
https://www.youtube.com/watch?v=3c-OmJ2K2fI
Which way should my air filter face?
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