Rotten Egg Smell In House That Comes And Goes. Go with it outside and smell it. The smell may actually be caused by a sulfur compound, such as hydrogen sulfide — which originates in fetid swamps and sewer pipes — or sulfur dioxide — a byproduct of fossil fuel combustion.
Before you try any of these fixes, it is important to identify the source of the smell. The smell is septic smelling/rotten egg. At first, the only inconveniences you would experience would be.
Determine which faucets have the odor.
When you enter your house and notice a rotten egg smell in house? Many people do feel curious about the source of the smell of rotten eggs in their house even when there are definitely no rotten eggs there. You can also remove your vent and shine a simple light into the vent to. The rotten egg smell will often be more noticeable from the hot water because more of the gas is vaporized.