rollbond solar collector.
Brand: Smartclima
High efficient rollbond solar collector. The collector has high strength, high light&heat conversion efficiency. Material is aluminium.Made by special technology and design especially for solar absorbing. The capacity of solar absorbing is better than other type solar collector because of its whole design without welding.Because the product is made with the Al-Al complex, cost is less than other similar products,but more better quality on light&heat conversion.Therefore,the rollbond solar collector is the best choice at present if you want to install solar water heating system.
Inside of the rollbond solar collector can be R22,R407 and other refrigerant.
Now,more and more houses are using this panel to replace traditional panel. It is always used in the water heat system for house,school,pool,hospital,etc.
Smartclima start study on rollbond solar collector from 2000,and now ,the technology is being experienced. It`s our honour to make some contribution on solar energy for world people.

The photo is showing the rollbond solar collector is installed on pitched roof.