Why Does My Air Conditioner Smell?
If Your Air Conditioner Smells Musty…
If Your Air Conditioner Smells Like Chemicals…
If Your AC Smells Like Rotten Eggs…
- Switch off your gas supply if at all possible, to avoid letting any more into the air.
- Avoid lighting anything (including cigarettes, candles, etc.) because gas is highly flammable.
- Open windows immediately to reduce the risk of toxicity.
- Gather your family members and pets, ensuring everyone is accounted for.
- Leave your home as soon as you’ve gathered everyone.
- Get in touch with your gas company right away.
- Follow any warnings or procedures the gas company gives you over the phone.
- Call for emergency medical attention if anyone is feeling lightheaded, nauseous or ill.
If Your AC Smells Like Vinegar…
- Excessive condensation
- Clogged drain line
- Clogged condensate pan
- Moldy air conditioner
- Moldy ductwork
If Your Unit Smells Like Burning Plastic…
If Your Unit Smells Like Cat Pee…
When Should You Call an HVAC Technician About Air Conditioner Smells?
Other Signs to Watch for When Your AC Smells Musty or Otherwise Bad
- Loud or abnormal noises
- Rapid cycling (quickly turning on and then back off)
- High humidity levels inside your home
- Water or fluid leaks anywhere along your HVAC system
- Insufficient airflow
- Air conditioner is blowing warm air instead of cool
- Smoke or flames
- Increased energy costs
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Frequently Asked Questions About Air Conditioner Smells
How do I get rid of the smell in my air conditioner?
Why is my AC giving off a bad smell?
Is a smelly AC unit bad for you?
Will the air conditioner smell go away?
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