Sometimes you feel great. Sometimes you're so sick you have to stay in bed. And sometimes you feel just a little bit off. Perhaps it's a minor cough or sore throat. Maybe it's headaches or fatigue.
Doctors see plenty of patients with such minor but bothersome symptoms.
Such a filter can be installed in the duct adjacent to the furnace fan. They also are available as portable room units. Another kind of unit, the electronic cleaner, is especially good at sweeping mold and pollen particles from the air by catching them on an electrically charged plate. The type of air cleaner known as an ionizer also electrically charges room contaminants, but it doesn't collect them. Instead, ionizers shoot particulates back into the room to cling to walls, ceilings and drapes.