Over the warmer months when the heat is not in use the dust from your home can settle in the vents and around the heating elements or combustion chamber in your furnace.
New heating system smell.
If the smell lingers over time or gets worse turn off your unit and call your heating and cooling expert for emergency maintenance.
Step 1 turn on your heating system and let it run for a few minutes if the smell is a mild burning smell if this is the first time the heat has been turned on this season.
If you are just turning on your heater this could be a problem which will eventually go away on its own.
Natural gas is odorless but suppliers treat the gas with a strong rotten egg smell to make gas leaks more detectable.
A must or mildew smell coming from your heater is usually a sign of mold or mildew in either your heating system or ductwork.
Heating air conditioning system odor causes cures.
One of the most common causes of high efficiency hvac odor is moisture that has spawned mold.
Give it 20 to 30 minutes and see if the smell dissipates.
If it does it probably was just the dust burning off.
When the moisture doesn t drain properly it can escape into the ducts and create mold.
In the fall the first few times the heater kicks on it may emit a burning odor that can smell electrical and dusty.
One of the most common odors you could smell in your hvac system is a burning electrical smell.
The smell of sulfur or rotten eggs almost always indicates an issue with gas supply.
Electrical odors can have a variety of causes.
An air conditioner smells like mildew or mold is probably the most common symptom of central hvac systems.
Commonly known as a dirty sock smell the odor comes from the mold that has made a home on your.
For example there may be bad wiring in your air conditioner wiring or your motor may be burning out.
When the air conditioning is running there is a lot of condensation within the unit.