Introduction
Direct solar heat gain is one of the most efficient ways to heat water (in terms of energy/waste), as it requires no energy conversion, unlink electric-resistance heating or fuel burning. It is a simple transfer and concentration of heat energy from one place to another.
No wait, there's more
Let's begin with...
- First of all*
- Consider it is all I am saying
- And also...
After all that has been said...
- Solar Systems
- Direct Thermo-Siphon
- Indirect Heat-Exchange Pumped Humamahuma System