If you have a thicker filter that is 4 or more the slot should match accordingly.
Is there an air filter in attic.
The air filter is usually located in the return air duct or blower compartment before the return air reaches the air handler.
All central heating and cooling systems should have an air filter but the filter can be harder to locate on some hvac units than others.
Ceiling return grill 2.
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So there may be an air filter behind each of those return grills.
Don t forget some hvac systems have a return in each room.
Click here to see the differences between the units.
It s generally located in your attic basement closet or crawlspace.
Other hvac systems for any other kind of system look for the air filter behind the return air grill on the wall ceiling or utility closet door.
Once it is located look for a slot where an air filter should fit.
Typically the unit would be found in a basement an attic or sometimes in the back of a closet.
3 arctic air ultra filters.
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The first and possibly most important thing is to make a commitment to yourself to change your hvac filters regularly.
This allows the filter to clean the air coming from your house before it enters the hvac unit.
3 arctic air filters.
The air filter might be on top below or on the side of the air handler depending on what kind of air handler you have.
This air handler has a filter base under the unit.
I have been putting filtrete 1900 at the return grill because it s easier to change and i assume that will keep the return duct cleaner.
Having your hvac system in your attic isn t dire though you ll need to do some work to keep your air conditioner or furnace system running as efficiently as possible.
The filter typically slides into a slot above or below the hvac unit.
There are two possible locations to put an air filter for my hvac system 1.
Furnace blower unit in the attic.
Currently there is no filter at the blower unit.