DIY - Solar collector for heating

by Marshall Brain

If you want to catch solar energy to heat your home, the process can be fairly simple. This web site, for example, shows how to do it with scrap wood and some metal ductwork:

Building a Solar Furnace – Step By Step

Here’s the same idea done in a more professional package, showing how you can use beer cans to collect solar energy:

[See previous DIY]

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