If the air conditioner cooling pin smells

pu1. You can clean the air conditioner, but as far as I know, there are vendors who clean the air conditioner

2017-11-09

OK

pu2. There's something called air conditioner sanitizer. As far as I know, this type of medicine is used by professional companies, but the air conditioner sanitizer itself is a problem
Search for air conditioner sanitizer

2017-11-09

OK

pu3. You can easily make air conditioner sanitizer at home, but you can mix ethanol with kitchen detergent.
Instead, you should never use it because it can cause corrosion
You can use that

2017-11-09

OK