How do you know which way the air flows in a room?
How do you know which way the air flows in a room? If you are looking at a furnace filter, find the arrow that indicates the proper air flow direction. That arrow must always face toward the furnace and away from the return duct that carries the air in need of heating or cooling. Why is there no air flow in my room? When the AC filters are clogged with dirt, hair, dust, and other debris, the airflow through the vents in your home may be reduced, decreasing the efficiency of your air conditioning system. This can also happen if...