If the filter in the unit is not cleaned or replaced regularly it ends up losing both efficiency and effectiveness which makes it imperative to replace the filter after certain time has elapsed.
Rheem air handler filter change.
Locate rheem air handler unit.
Locate and remove screws.
Rheem is one of the few popular brands in air handler units.
How to flip the coil on a rheem air handler from left hand service discharge to right hand discharge in order to correctly install the airhandler in the ap.
The air handler unit will probably be in the basement garage or some lower level.