Hob integrated extract

[Yorkblade]

Hi

What's the deal with induction hobs and integral extract fans.
It's for an island, do they have to be ducted?
You can get recirc I have read but they also look like they have some ducting too

 

[foxhole]

If you mean those that sit in the hob , doubt they are effective , even adverts for them show simulated effect .

 

[Harry Bloomfield]

If you mean those that sit in the hob , doubt they are effective , even adverts for them show simulated effect .

Heat, hot air, and steam, naturally rises up.

 

[foxhole]

Heat, hot air, and steam, naturally rises up.

Exactly, my point.