The olfactory emanation originating from a flue structure, typically associated with the combustion process, serves as an indicator of operational activity within a heating or ventilation system. For instance, the presence of... Read more »
The emanation of sooty, smoky odors within a dwelling originating from the vertical exhaust structure constitutes an undesirable indoor environmental issue. This phenomenon typically presents as a lingering, acrid scent reminiscent of... Read more »
