Then you might have a couple
Theyre the big square grates on the floorceiling
Usually they have a little latch to easily open it up
If it’s new it might have the filters on the furnace
If you look into that vent does it have a filter
Okay then it might be on the furnace
It’s the big metal thing with ducts all around it
I’ve seen furnaces in closets before
Yeah up there will be a big metal box with pipes and ducts
And hopefully there is a filter rack on it
