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Weird AC Smells Explained

Palm Air AC|15 February 2016

Unusual odors coming from your HVAC system is not something that you should take lightly. While the smells are most likely harmless, they could be affecting your family’s respiratory health. Here is a quick look at some of the most common HVAC odors and where they might be coming from.

Musty Odor

This is a common smell that many families will struggle with over the years. Unfortunately, it could mean that there is a buildup of mold or mildew somewhere in the system. A trained technician will be able to find the mold, remove it, and then adjust the humidity levels to prevent future problems.

Electrical Odor

Older HVAC systems can produce an incredible amount of heat, and this often results in melted rubber gaskets and wires. Families who have noticed a sharp smell like gunpowder should schedule an emergency AC service call to prevent major further damage.

Burning Odor

There are a few different situations in which your HVAC system will smell like something is burning. Once the wire coating has melted completely, it is possible that it will produce even stronger fumes. If this material falls on the electric resistance heater or heat exchanger, it can actually create smoke as well.

Exhaust Fumes

Even though your air conditioner is powered by electricity, these systems contain a number of different liquids. The most likely culprit of an exhaust fume odor is a crack that is allowing the liquid to escape. Furnaces, on the other hand, often smell like exhaust fumes when they are turned on for the first time of the year.

Explore Weird AC Smells And More HVAC Questions With Palm Air

Our team is ready to help you identify the cause of any unusual odors and then come up with long-term air quality solutions. Contact Palm Air for all of your HVAC needs including air quality testing, repairs, new installations, seasonal service calls, and more.