Is there a HEPA filter that can be attached to my (incoming) vent cover?
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Is there a HEPA filter that can be attached to my (incoming) vent cover?
Like something for a dorm room, where the occupant has no control over the furnace. Something that fits either just inside the vent cover or on the outside of it, that filters both dust and allergens, because I want something that will supplement the air purifier so it doesn’t blow through filters so fast, and also because I’m very allergy sensitive.
Nope! HEPA by definition means that 99.97% of particles at 0.3 microns are removed and this is a very fine level of filtration. Your forced air furnace or air conditioner blower motor cannot move air through a filter that fine. I would get an Austin Air Healthmate Junior for your dorm room. Those filters last 5 years which should see you through your education. My kids had them in their rooms at home and when they went to school I sent them to their rooms. They worked awesome and also doubled as a night-stand.