This is a common occurrence associated with short chimneys on bungalows, conservatories, single storey extensions, chimneys situated below the roof line or perhaps even glamping accommodation
The cause of downdraft is often related to wind direction and strength, trees, architecture or atmospheric pressure caused by mountains or valleys. Short chimneys can be more vulnerable to these external factors, so you need to take action rather then risk being smoked out or having to opening all the windows on a winter’s day.
FlueCube, “The clever chimney cowl” will solve these problems. It does this by creating a positive draw through the flue system, stabilizing the burn within the stove and thus enabling the stove to perform (burn) at a much greater efficiency consuming a larger amount of black carbon (soot) then would previously be possible. The FlueCube also enables stoves to be installed in areas of low pressure and thermal disturbance (normally restrictive for stoves).