I'm glad I came across this thread, as I've been looking at air purifiers lately.
Hope it's okay to tag on to your thread Bernie.
In my case it's for a small room with 1 canary and 2 budgies.
Hope someone can help answer a few questions:
So, I need to choose one with a HEPA filter and to avoid those with ionisers, is there anything else I should consider?
Does the max room size suggested tend to be for all speeds or just the fastest?
Do they make the room significantly colder?
Do you tend to have them running 24 hours, all day or other? At what speed?
Do the filters last as long as suggested or do you need to change them more frequently? - just considering ordering more at the same time.
I've been looking at this model, Buy VAX AP01 Air Purifier | VAX Official Website
Vax is a known decent make of vacuum cleaners here in the UK but I'm seeing that this is quite cheap compared to others so I'm a bit wary.