Solar Heater – Pop can heater (free heat) GREEN technology

Soda Can Solar Space heater

This is a basic “how to” on creating your own soda can space heater. Several videos can be found on the net, but none of them really provide a step by step guide. I put this entire unit together with about 10 total hours of actual labor. If you have a source of cans, lumber, and a old double paned window (preferably), you can assembly one of these yourself.


Required Materials
• 1 window, 46.5 ” L x 23 ” W (recycled/freecycle, double paned)
The selection of the window will dictate the number of cans required for the array.

• For this size window, the number of soda/beer cans required is 72.
• 4 x (1 x 6) boards (not pine or poplar).
• Board Insulation
• Great stuff foam insulation
• 2 x 2.5 inch vents (bottom intake vents)
• 1 x 3 inch vent (top)
• 3 x 4″ squares of screen material
• Metal Duct Tape (for can assembly and final sealing)
• 1/4″ plyboard (for the back of the box) in this case the measurement is 2’x4′
• Black spray enamel (about 2 cans is sufficient for a 72 can array and painting the box. )
• 3 v computer fan.
• 3 v solar cell (s).
• screws
• brad nails

Required Tools
• Screw Gun
• Tin Snips
• Brad Nail Gun
• 2 and 5/8 inch hole bore drill bit.
• Hand saw or Circular saw
• Jig Saw
• Clamps
• Square
• Tape measure
• Pencil


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