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Why Does My AC Smell Bad?

What makes a home AC smell bad? Unfortunately, there are many possible answers to this question.

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We wrote this post to help our customers identify the most common AC odors. Additionally, we hope this post informs how to prevent foul odors from occurring in the first place.

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A Wet, Musty, Or Moldy Smell

The most common “My AC Smells Bad” call we receive is the wet musty smell. In addition to removing heat, air conditioners remove water (Humidity) from your home.

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Water, left stagnant, will foster the growth of mold and other life-forms. Wet, dirty coils, and clogged condensate drain lines are the most likely suspects.

Is My AC System on Fire?

Nothing strikes fear like the smell of something burning inside the home. If you SEE smoke, get everyone out of the house and call 911 immediately!

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If you only smell a burning electrical odor, shut off your AC at the circuit breaker. Some burning smells are normal, like turning on the heater for the first time. However, most electrical issues require calling in the pros.

Bad Smells From Your AC Filtration System

High-Tech AC Filtration Systems have come a long way in the past few years! On the other hand, some of the smells emitting from these new systems can raise eyebrows.

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With functionality comes complexity. To prevent odors, and other problems, some of these new AC filtration systems need regular tuning and maintenance.

Chlorine Or Other Chemical Aromas

Your home AC System should never emit any type of chemical smell. AC Systems are sealed, so any strong chemical odor is an indication of a problem.

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Additionally, cleaning supplies, paint, or other household chemicals should never be stored near an air handler! The air handler could suck these chemicals in, creating a possible respiratory, or fire hazard.

Does Your AC Have Bad Breath?

Many AC system smells can be prevented, or eliminated by simple routine maintenance. Furthermore, regular maintenance will keep your AC System running at peak efficiency, saving you money.

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Burning, or chemical smells can be the sign of a more serious problem. When in doubt, give us a call! One of our expert AC Technicians will quickly restore your comfort, and peace of mind.

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