When to clean?
- 1–2 times a month (in dusty areas)
- After a sandstorm
- After snowfall
- When output drops by more than 15%
How?
1. Morning or evening — when it's cool
2. Clean water — soft (tap water)
3. Soft brush or microfiber cloth
4. From top to bottom — without leaving streaks
Prohibited
- Hot water (thermal shock)
- Pressure washer (damages the coating)
- Hard brush, metal scraper
- Chemicals (washing powder)
Recommendation
Professional cleaning 1–2 times a year — we do it with a 2-year warranty.
