Most of them have the option to be vented outside or into the room.
Ours vents into the room through 2 filters, no greasy mess but it would be nice to vent the heat to the outside in the summer.
Most of them have the option to be vented outside or into the room.
Ours vents into the room through 2 filters, no greasy mess but it would be nice to vent the heat to the outside in the summer.