1- Hot water using free solar energy
2- No fuel consumption
3- Resistant to corrosion
4- Adjustable for using the maximum amount of solar energy
5- Especially High thickness insulation for minimum heat loss
6- Absorbing maximum amount of solar energy because of using vacuum tubes
7- A separated anti-freeze system for cold regions
8- Resistant to freezing
9- Different capacities
10- Capable of coupling with the other heating systems
11- Environmentally friendly
