Your HVAC system works extensively throughout the winters to keep you warm. There are many potential signs which tell you that your furnace is failing, from strange sounds to higher utility bills and many functional issues. Your furnace usually emits a smell that isn’t very prominent but when your furnace gives off strange smells you shouldn’t ignore it as it indicates that there is a serious problem in your system which needs attention. In this article, we will be reviewing the 5 most common smells that your furnace produces and what are the reasons behind these smells. Why Does My Furnace Smell Bad
The smell of rotten eggs is very unpleasant and everyone is familiar with it. The smell of rotten eggs is usually emitted due to a gas leak. This happens because the chemical gas companies scent their natural gas to alarm the homeowner of a gas leak since natural gas has no scent of its own. If you notice a strong rotten egg smell in your home immediately turn off the gas furnace and open windows for ventilation. After this, you need to leave your home and call the gas company for inspection.
Dusty Burning Smell
The most common smell that you come across that is emitted from your furnace is a dusty burning smell. When you turn on your furnace at the beginning of winter you smell a dusty burning smell. It could be due to the burning of accumulated dirt and dust particles that have been accumulated inside your furnace all summer long.
This type of smell is quite normal as the smell would go away after some time. However, if the dusty burning smell doesn’t dissipate after the furnace operation, you should check the air filter to make sure it is clean. Air filters need to be changed frequently, you may also need to call the technician for internal cleaning of your furnace.
If you detect a metallic smell coming from your furnace it’s a sign that there are components that are overheating inside your furnace. The odor indicates that the parts are burning due to wear and tear due, and the wires are getting scorched. The metal components and rubber deteriorate over time and need to be repaired. If you notice such a smell, shut off your furnace and call for service.
If you notice a musty smell coming from your furnace it indicates that there is mold growing in your ductwork. Mold infestation should not be taken lightly as it can degenerate the indoor air quality of your house and cause health hazards. You will have to bring in the furnace technician for a thorough inspection and cleaning.
Oil And Smoke Smell
The smell of smoke or oil is emitted by the oil furnace. The smoky scent that comes from your furnace indicates that your furnace needs oil filter changing to prevent overheating. If the smell continues after the change of filter, immediately turn off the unit and call an HVAC specialist to diagnose and repair the problem.
With all smells being addressed you can now easily determine the issues which cause your furnace to smell bad and malfunction. Make sure to be attentive and call the professionals to detect the problems and fix them. We have a skilled and experienced team that provides furnace replacement and repair services.