Smell Coming From Heating Vents

Only when there s nothing running.

Smell coming from heating vents. If the warm air is accompanied by a foul odor you ll likely be reluctant to keep it turned on. Be sure to check the top of the heat exchanger for debris that may have fallen into the duct work. Rotten eggs natural gas the only truly dangerous smell on this list if you ever smell unexplained natural gas coming from your vents evacuate the house immediately while natural gas is odorless the chemical methyl mercaptan which some people describe as smelling like rotten eggs is added to act as a warning. Most likely it s the smell of mold and or mildew that s bad news because your ac is most likely distributing mold and or mildew spores throughout your home.

Though the most common reason is dust in the duct work there are several other reasons why you might notice a burning smell when your heat comes on. An unusual or musty odor is often the first sign of mold in air ducts or in air vents. 2 months ago i noticed an old musty smell coming from our bedroom vent and only our vent. When you re confident your home is not on fire you should have your heating system checked.

When the ac or heat are running there is no smell. A backed up sewer line or a crack in a plumbing or sewer vent pipe could cause the smell. It s important to do this however because while mold and mildew aren t serious problems for your equipment they can lead to respiratory health issues due to poor air quality. Let s go over the sources of the mold mildew and what you can do to get rid of it.

There could be several reasons why you have a burning smell coming from your heat vents. It is now in 3 4 vents of the house. A smell like mold or mildew is a common one but if you ve been noticing a musty or moldy odor from your vents it can be difficult to pin down the source. If it is close enough to your ducts then the ducts can spread the smell throughout your home.

Both harmful to your health especially if you have allergy issues. In many cases you ll smell it before you can see it. If you notice a musty or moldy smell that goes away when you are not using your air conditioning or heating if they share ducts that can narrow the cause down to mold in your hvac system. If you smell something foul coming from your heater vents diagnose the problem.

Unfortunately though microbes and mice often find a way into walls and heating systems from the surrounding soil. If there is a burning smell spreading around your home it is essential to find the source of the smell. Dealing with odors coming from heating vents can be maddening particularly when the odor smells of rotten eggs or dead animals you d like to think your house is not only clean but tightly sealed against invasion from the outside. If you smell raw sewage coming from your vents there is one usual cause.

While shutting it down completely may stop the problem temporarily you should diagnose the cause of the smell so that it doesn t interfere with the heating of your.