Whenever we analyze any water heating system based on solar power we do have to consider the fact that all of them should also minimize costs in life cycle.You do have to know that the best efficiency is offered by designs that are not to offer energy with just using solar sources. This is mainly as you do have to invest much in collector areas and storage volume. Now all depends on the design that you want to use. If you want to see what design is best suited for your particular case we do need to look at some facts.
First you will have to find solar connectors. You will get most possible energy when this system is to be faced south. Also, you do need to use tilt. According to some studies orientation and angles are different based on some facts. Always consult with specialists or do solo research so that you can find those right angles which wil be perfect in the location of the house. In most cases you do have to think about tilt angles which are equal to the latitude.
Now freezing problems have to be considered. The damage that can be caused when water is freezing is not to be taken lightly. A very good heating system based on solar power is to analyze all aspects that are necessary to always be sure that water will not freeze. If you want to accurately prevent freezing damage you can use a lot of possible strategies. Although where you live water might not freeze often freezing protections should still be installed.
Then there is a need to analyze tempering valves and bypass capability. In order to make sure that the temperature is consistent you will need to include tempering valves. Thanks to these two parts of the design you can gain hot water even when the heating system is not working. Also, although you can not see it as design, one fact that is highly important is maintenance. You must always look for different damage that might appear. Whenever we see people analyzing heat transfer fluids they will also have to know to check PH together with freezing point. All the other design parts will be simple and you will not meet problems in the future.