For a non-professional cleaner, it seemed super to me! I cleaned 2 units, no problem. One smelled, then the smell disappeared. For 1-2 days, until it is completely rinsed, it has a pleasant aroma. The bottle definitely lasts for 10 times, maybe even more. I will clean with this every 3 months and I believe it is OK for three years, with minimal cost

The instructions say to leave the air conditioners for 10 minutes in the cold to work after use. However, there is still a smell, so I suggest at least 20 minutes. It does its job and actually cleans the air conditioner from dirt, but it requires the use of a brush. Otherwise, there would still be dust.

Pleasant scent and feeling of freshness in the house. Very easy to use, anyone can use it without needing special knowledge and its result lasts. I use it both in the office and at home.