Generally speaking, not once the pyrolytic process has started. There will be smoke when you first ignite the pellets; you should wait until the pellets have fully lit before pushing the hopper back into the base and closing the door. There may be other reasons for smoke to occur but difficult to address without specifics.
Can you buy these in the UK
We are a Canadian distributor. Our product is not available in the UK.
Smoke?
Generally speaking, not once the pyrolytic process has started. There will be smoke when you first ignite the pellets; you should wait until the pellets have fully lit before pushing the hopper back into the base and closing the door. There may be other reasons for smoke to occur but difficult to address without specifics.