thermal air heater

Daily Prep

DIY Coke Can Solar Heating Panel

Low cost heating solution from the sun.
Tuesday, April 23, 2013, 5:38 PM

A nice example of a DIY solar heater to start working on now for low cost heating this coming winter.

http://frugalkiwi.co.nz/2012/07/diy-coke-can-solar-heating-panel/