Although we have witnessed different yet not so eco friendly mediums to generate heat for the home, adopting the route to building a solar heater out of pop cans may sound even more productive. Utilizing recycled cans for the formation of an efficiently devised solar heater is not only a free source of heat for your place, but also a great way to reuse those scrap and trash materials lying around. Right from complementing the compact size of your house’s window to making it considerable enough to heat an open area, accumulating those frittered away cans may now be creatively employed for a solar heater. However, you need to know that the size of the heater basically determines how much of each component you require. Here, we are providing you with step-by-step instructions on how to build a reliable, large solar heater that’s about 6 to 7 feet tall with recycled cans.