1. Internationally certified product
2. No water in vacuum tubes, each vacuum tube works individually, so the whole system could still work even several tubes are broken.
3. Medium circulation, good anti-freezing and prevent evaporation ability, also avoid blockage in the pipe because of the pipe scale.
4. Multifunction: shower, washing, domestic heating, swimming pool, etc.
- Previous: Heat-pipe solar collector for pitched rooftop
- Next: Best efficiency heat pipe solar collector
