Ideally, preventive maintenance should be performed every six months, especially before periods of intense use. This includes cleaning filters, checking gas levels, and performing a general system checkup to ensure optimal performance and extend the life of the equipment.

Unusual noises can be a sign of loose parts, dirt buildup, or wear on components like the fan or compressor. Don't ignore it: early diagnosis can prevent a major breakdown.

Some condensation is common, but excessive dripping could indicate a clogged drain or improper installation. In these cases, it's recommended to contact a technician for proper evaluation and repair.