The hot out from the solar storage tank goes to the cold in of the main water heater remember the main water heater acts as your back up system during times of little or no solar gain.
Diy solar hot air hot water panels.
A more advanced solar air heating system uses water running through central air like systems.
They run water through a system that is heated by a solar hot water collector is circulated through a pipe either by convention or pump and has a space where a simple air duct encloses the pipe or the warm pipes circulate beneath the flooring.
Therefore this may not be a practical design for residential installation but it is an inexpensive easily built experimental system that produces as much or more hot water than commercially available systems.
Mine cost about 60 in materials about 4 00 per square foot and about 6 hours of construction time.
On the diy thermal solar panel side an affordable and relatively easy solution would to build your own solar water heater with a coil of black pvc pipe.
There are many plans that you can use when you want to start a new diy project at home.
That is a rather simple matter of having a coil of tube facing south to pump water through and then return to your pool.
This is because the solar storage tank and the main water heater tank are part of the same pressurized domestic hot water system.
If you have a gas water heater you ll need to add a second tank to store the solar heated water and purchase a hook up kit from fafco.
How to make solar hot water heating panels from basic materials a system that has been proven over 5 years.
A solar water heater can be made from a few pieces of pvc pipe.
A basic air heater.
One way you can cut your utility costs is to use a solar water heater.
There isn t much to a solar air heater.
Although there is no restriction on shape they are most commonly flat and rectangular like water or electricity panels.