To prevent the fumes produced by the burning of the diesel fuel from accumulating indoors, these heaters must be properly vented to the outside of the building through a flue or chimney. This allows the fumes to be safely expelled outdoors rather than being released into the indoor air.
indifferent-egg-9050 t1_j29gajd wrote
Reply to eli5 How can these disel+electric heaters used indoors. I don't get it since it is literally burning fuel what happens to the fumes indoors? by madFromV
To prevent the fumes produced by the burning of the diesel fuel from accumulating indoors, these heaters must be properly vented to the outside of the building through a flue or chimney. This allows the fumes to be safely expelled outdoors rather than being released into the indoor air.