The heater does not. I installed a generic one just inside the grill. It's not exactly air tight like a house but does filter out some dust. The A/C has a small filter just above the grill in the ceiling. I clean that once a year or so.
The heater does not. I installed a generic one just inside the grill. It's not exactly air tight like a house but does filter out some dust. The A/C has a small filter just above the grill in the ceiling. I clean that once a year or so.