Solar Heating / Oil Boiler Backup

I have posted Geo Thermal systems in other Homes.

This is a Solar System with Glycol Roof mounted panels for collectors…

Solar air heater systems use the solar radiations to heat a particular room using solar panels. There are many ways of using solar air heating, and we can even build one at home using help from online sources. It is a type of solar thermal system, where air is heated in a collector by the sun’s radiation and either transferred directly to the interior space or to a storage medium such as a rock bin.
Here is a link that might be useful: solar heat information