enough to heat a garage.....this site tells you how to do it with soda cans ... heat a greenhouse or coop -

How to build a pop can solar heater

For my future greenhouse

Turning soda cans into solar heating panels - YouTube

DIY Greenhouse Using Plastic Bottles

For camping or late nights at the beach? Leave 1/4 of Mountain dew in bottle (just dont drink it all), add a tiny bit of baking soda and 3 caps of peroxide. Put the lid on and shake - walla! Homemade glow stick (bottle) solution. kids

60 New Uses For Everyday Items

How to learn 100 basic words in sign language. This is actually an amazing site, very simple to learn.

Neaten up your soaker hoses - use quick releases for easy winter pickup

Green house roof from 2 ltr. bottles! Could use clear ones too. I am thinking of many ways to use this idea!

DIY Homemade Solar Furnace | Most of the materials for this project can be re-purposed or picked up at dump yards. The reminder should not cost you more than $50 at your local hardware store. | #diy #solar #heat

No Lie this really works. My shower hasn’t been this clean since the day I moved in. Soaked my shower for 2 hours and it looks new. How to clean your shower! Vinegar, Dawn and baking soda

How to Build a Solar Heating Panel with Soda Cans

DIY Solar Heater using Soda Cans

No helium needed to fill balloons for parties.....just vinegar and baking soda! I need to remember this! Get the baking soda with a coupon http://thekrazycouponlady.com/print-coupons/

What is a Solar Soda/Beer Can Heater for a Greenhouse? Parts & Final Construction ...

Candle Powered Heater - I've been looking a various ways to make these and this guy has by far the best setup. It isn't so much a how-to video. He is just showing what he used to construct his version of the terra cotta pot candle heater.

". . . sprinkle a bit of baking soda into the corners, then I poured a bit of vinegar into a cup and poured it into the tracks. . . ."

Orchard Rack, 9 Drawer - Item #38-524 $179.00 (I'm sure I could make something for much less!)

When it comes to heating a room or house in the dead of winter, who are we to argue with Canadian lumberjacks? The Bullerjan Furnace ($TBA) employs a crazy engine-like design to move air from the bottom to the top vents, heating it on the way through. Meanwhile, the unique design also allows for even burn up and lengthy heat retention, getting the most out of the wood it burns.