More to explore:
How to Build a Heat Box for $6, Heat your Home Free
by Ben Boothe Sr. on Youtube
Under $10 heat box - 30 degree difference! ?!
How to Build a Heat Box for $6, Heat your Home Free Doesn't look nice, but will heat a 500-1000 square foot home from the sun's energy. Amazing.
The EPA, and Mother Earth, have expressed interest in "Passive Solar Heat Box" units for home and commercial building heating. We decided to build one, 4.5' ...
How to Build a Heat Box for $6, Heat your Home Free. Click on the "about" button for more building directions.
video on making your own paper bricks for heating...never heard of this before. The video isn't the best, but it's short enough that it's worth a watch.
DIY Solar Water Heating Cut your water heating bills 50 percent with this sun-powered solution!
5 Ways to Heat your Home for Free
DIY Solar Water Heating. pin now and read later-Maybe we could use this for the pool?
Compost Heat Your Home (see source) Also - www.instructables... And - www.offgridworld....
Heat your garage or green house with solar power. At the bottom of the post is a link to a bigger, better soda pop panel but this is the "tutorial"
5 Ways To Heat Your Home For Free J-Posted on January 24, 2014 by John McLaughlin
Free And Virtually Unlimited Fuel To Heat Your Home
Using solar energy to heat a pool
DIY Home Heating Trick - This Method Kept A 1,100 Square Foot Uninsulated Trailer At 60 Degrees In 6 Degree Weather. - Page 2 of 2 - The Good Survivalist
Rocket Mass Heaters. Heat your house using twigs and bricks, with little to no exhaust, for pennies. How? Here's an interesting blog entry with good external links about the whole concept.