Interesting concept, one I have never heard of before.

Whenever I run into new technology, I first try to research by looking for tests of the product by an independent lab. These machines have been around for a couple years now, and as far as I can see, there have been no independent tests done, nor any comparisons to show that this is superior to a HEPA filter system, with or without UV.

The questions I would ask:
Show me test results from an independent 3rd party lab.
How do I know the probiotics reach all the surfaces in my home?
How do I know the probiotics remain viable on those surfaces?
What probiotics, in what quantity, and where is the documentation that they actually kill or inactivate pathogens?
What is the annual cost of adding probiotics to the system?

Just my 2 cents worth.
Sue