HVAC Smells and Noises You Should Have a Professional Investigate

Keeping the HVAC system in your Surf City, North Carolina, home functioning properly is important to your comfort. One thing you can do is pay attention to any unusual smells coming from your system. If you notice any of these smells, it’s time to contact an HVAC professional:

Rotten Eggs

The odor of rotten eggs can be a dangerous sign that should be addressed immediately. This sulfur-like smell is often an indication of a natural gas leak. The smell doesn’t come from the gas itself. It comes from a chemical added to the gas so that you can detect leaks.

Gas leaks can be dangerous. If the smell is mild, you need to make sure all pilot lights are out, open your windows and contact an HVAC service technician. If the smell is strong, you should leave the home, contact your utility company and alert your neighbors.


Musty smells can be an indication of increased moisture and sometimes the buildup of biological growth. This is usually due to liquid in your system not draining properly. It’s an issue that you should resolve to ensure that the quality of your indoor air doesn’t suffer. If you have family members with allergies and you notice musty smells, shut off the system and contact a service technician to diagnose the problem.


When you turn on your heater for the first time, you may notice the smell of burning dust. This smell, which dissipates after a few minutes, is caused by the burning off of accumulated dust. If it continues for an hour or more, there’s a bigger issue.

First, check the filter to see if it has clogged. If the smell persists after replacing the filter, contact us to have your furnace serviced.

One way you can monitor your HVAC system is to pay attention to unusual odors coming from it. If you notice any of these smells, contact Gideon Heating & Air at (910) 447-2905 today to have your HVAC system checked out.

Image provided by Shutterstock

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