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| Heating option http://byap.backyardmagazines.com/forum/viewtopic.php?f=12&t=20078 |
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| Author: | Tlrobb [ Dec 31st, '13, 10:35 ] |
| Post subject: | Heating option |
Has anyone tried one of these? http://www.ebay.com/itm/like/181086642319?lpid=82 12V 100W water heater element. I think I could build a 100 W PV system for a little more than $100. |
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| Author: | Stuart Chignell [ Dec 31st, '13, 11:34 ] |
| Post subject: | Re: Heating option |
IT takes a lot of energy to heat a system. It can be done but you must be prepared to pay the bill. Rather than buying a whole stack of those heating elements and running them with PV you would be better served heating water directly through a solar heater. Lots of threads that discuss this but the key is having your system inside some sort of structure where you can control the temperature. |
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| Author: | Tlrobb [ Dec 31st, '13, 12:04 ] |
| Post subject: | Re: Heating option |
My 2 barrel system is just coming together but I've built the GB over the FT (which is buried 2 feet deep) and plan to enclose it all in insulation. That only leaves the tops of the grow beds exposed. I was thinking about adding a hoop greenhouse on top of the grow beds but I have already acquired another barrel and a 50 gallon pond. Both donated by interested neighbors |
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