Stove Fans

I cannot locate the discussion on SFN on stove fans. I am looking for a stove fan with zero or near zero noise or whispering noise. What are your experiences -- and recommendations? Vulcan based on strerling engine, ecofan or valiant or any other?

Can highly recommend the Valient - we have two, both very quiet.

Here you go Anil http://www.survivefrance.com/profiles/blogs/stove-top-fan-review

Mine is practically silent