However, a recent smoke scare involving her woodburner fire and heat transfer system has provided a chilling reminder of the need for extra care when heating the home overnight. Three hours earlier, Irwin had gone to bed after dampening down the fire for the evening and leaving the heat transfer function on to distribute heat. Negative air pressure can occur when there isn't enough ventilation in the home and an exhaust fan is operating. This includes extractor fans above a stove and controlled ventilation systems or heat transfer units installed in rooms using solid fuel fires. Since turning the heat transfer function off and opening a window or two, she has had no problems.

Source: Stuff August 09, 2020 01:02 UTC