The AirFree P2000 literature claims that the product incinerates bacteria by heating the air to 400 degrees fahrenheit, and uses convection current to circulate air through the unit.I was skeptical, but as we were looking for a product to help with our kid's allergies, decided to give it a try. There was absolutely no difference in the quality of the air in their bedroom after a few weeks. The documentation does correctly state that the product does not work with allergens or dust that has settled on surfaces of the room, only for things floating in the air.
However, the convection current is not nearly strong enough to really pull enough air through the unit to do any good at all. If you slap the carpet right next to the unit and look at the dust that billows up, most of it will settle right back on the ground next to the Airfree even right next to the air intake vents, you can not see even the slightest pull of the dust towards the unit it just settles right back down on the ground.
The documentation also states that you need to keep it on for at least a week to notice any effect. However, just the airflow from under any bedroom door will replace more air in the room in one day than this unit can clean in a month, guaranteed! And that's if you leave the door closed.
Think of it this way you could get the exact same effect by leaving a burner on an electric stove turned on 24 hours a day. Would you even consider this as a solution to your asthma? It's just a waste of electricity.
The unit is outrageously overpriced at $239. I opened it up to see what was inside. As expected, it's just a basic control circuit with a ceramic heating element. As far as the parts go, there is less here than what is used to build a regular $25 coffee maker or toaster. Ok, they don't manufacture this in mass produced volume, but they would still make a very good profit if it was sold for $50.
There's not many products that I would give zero stars to, but this is one of them.
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