It's probably mold. You can buy chemicals that are added through the intake that might fix it.
A smell coming from a reverse cycle air conditioner may be a signal that the filter needs to be cleaned. A smell like engine exhaust might be present if the air conditioner motor is in need of repair.
Depends on the smell. What does it smell like?
The unpleasant smell from your air conditioner could be caused by mold or mildew growth in the unit, a clogged filter, or a buildup of dirt and debris. Regular maintenance and cleaning of the air conditioner can help prevent these issues.
Common reasons for a foul smell coming from an air conditioner include mold or mildew growth in the unit, a clogged drain line, or a dirty air filter. Regular maintenance and cleaning can help prevent these issues.
sounds like your air conditioner compressor is bad.
heater core
It means that, your air conditioner isn't gas powered, so oftentimes people are concerned about where this type of smell could be coming from. However, there are fluids in the engine and other parts of your air conditioner which can leak out, causing this exhaust fume odor.
To effectively stop the musty smell from your air conditioner, you can try cleaning or replacing the air filter, cleaning the evaporator coil, checking for mold or mildew in the unit, and using a deodorizing spray or air freshener. Regular maintenance and cleaning can help prevent the musty smell from returning.
If you notice a strange smell coming from your air conditioner, it is important to address it promptly. First, check for any visible signs of mold or mildew in the unit. If you find any, clean it thoroughly. Next, replace the air filter and clean the vents to improve air circulation. If the smell persists, consider contacting a professional HVAC technician to inspect and repair any potential issues with the unit.
Any time an air conditioner smells I tell people to try changing the in cabin air filter. most cars its behind your glove box and not costly. good luck.
Air conditioner drain line stopped up or windshield seal leak that covers 99% of the reasons
An air conditioner should not smell like smoke when turned on (or when turned off). I would have to suspect that the electrical insulation is burning.