3.Works well in a cold, 4 season climate.

Objectives for the System

The objectives for this project are to design and build a domestic solar water heating system that:
1.Costs less than $1000 using all new high quality parts and materials.
2.Has a long life with little maintenance
3.Works well in a cold, 4 season climate.
4.Performs well, providing a high fraction of solar heated water for the full year.
5.Is easy to build using commonly available materials.
6.Does not look ugly
http://www.builditsolar.com/Experimental/PEXColDHW/Overview.htm#Objectives