HOW I MADE A SOLAR POP CAN FURNACE / HEATER
THIS IS A 64 CAN , MY FIRST TRY AT MAKING ONE SO I MADE A VIDEO OF IT
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@gwbonline hi just use a window check out water4fuelh20 videos he did last winter good luck rich
Hi Rich, I hope you have the time to think with me on something. Constructing the box won’t be a problem. But what if I don’t want to make wholes in the wall to let the heat in and use only existing openings? Maybe you have a way to do this? O don’t want to make new wholes when there is a change the box won’t work…I love your work and creativity by the way. Keep on going with this!
That is great and Ithank you for your efforts. Shall try to do sometning similar
Brilliant painting it black, first time ive seen it pained black that way.
Im sure that increases the heat alot more then leaving the cans as they are.
@FeralInnocent – No it isn’t. It is called Coroplast & it is polypropylene.
@FeralInnocent hi all the polycarbonate i got free from old signs on the side of the road there all over at election time rich
That corrugated plastic stuff is called “polycarbonate” and is not cheap.
I saw something very similar on a handy man show but there were no cans or electrical components. It was simply a solar collecting box mounted to the side of a shed and allowed to move cool air in and warm air out passively. Vents were manually opened and closed I like the K.I.S.S. method better!
so for what do you use this can heater for and in what aplications can you use this
I’m useless when it comes to DIY but that is a fascinating system.
@Grigretro hi glass or plastic i have used both
what do you use to cover the cans? is that glass?
Use thermal mass inside the house so that heat can be absorbed by it during day time and slowly realeased after sunset.
@0urGaia Only thing is about co2 is that it could all be bullshit and co2 might do nothing different other than plain old air. I was thinking about car exhaust though….and my other thought was how much heat soil retained…the unit might be heavy as hell…but what if the cans or whatever held soil?…maybe even aspault coating the metal..
@magicyte think CO2 is very clever idea. I am not terribly educated in such things but guessing the heat loss is from black body radiation from the cans not from the heated air within the box.. If so perhaps laying 1 inch wide aluminum foil strips couple inches above the deepest line of curvature of the cans might help reflect some of that reflected IR back down at cans instead escaping through the glass.
@magicyte But after concideration…who really cares about a boost of R1 to the glass…whoopie. I wonder if there’s a reflection material that can coat glass on one side that will reflect heat…yet still allow the original visible light through.
@0urGaia For sure…but I’m fairly satisfied with the amount of energy we can absorb right now…it’s pretty damn good. I’d say our biggest problem is the glass. I’m building mine double pane…but even then it’s losing a ton of heat…besides going triple pane I don’t really know what else we can do. I was thinking of filling the glass with co2 though…
@magicyte, black reduces reflection visible light not IR. If we could get our hands on military energy absorbing stealth paint then we’d be cooking.
@0urGaia True…except when aluminum is painted/powder coated black that makes up for that factor. Too bad copper is just too expensive…black copper would be amazing.
@magicyte, but aluminum is is also good reflector of IR which is why its used building industry as an insulator, no? Much too poor for diamonds, guess have to wait for IBMs newly discovered tungstan film which has dendrites that absorb and trap 96% of the energy it receives.
@0urGaia Steel has a lower thermal conductivity than aluminum. simple fact. Btw..if you want more heat you go the copper route…and if you’re rich…try gold…or even better…diamonds.
@minh2817 no heat at night
Gread video, I will build one for next winter,
Dose it heat up in night time?
Thank you
That’s really great! Well done, I enjoyed your commentry and know how, thankyou.
Nice work,but i believe it more effective if you matched airflow through the unit with the port sizes. That is to say, if you need three can diameters to match the diameter of the inlet/outlet, then place 3 cans in parallel throughout the unit and have a channelling effect so that there are only 3 long channels flowing through the box from inlet to outlet. air is then being heated for a longer distance,absorbs more heat &there will be no restrictions in the air flow if the ports match the ducts