![]() ![]() I was really disappointed about this BUT have had the opportunity to gather data on the performance of the structure without any outside heat source.Ĭurrently, without any external heat source, at -42 C (-43.6 F) outside temperature the Greenhouse was -14 C (6.8 F) and the barn was -5 (23 F)!!! This represents an average of about 7.2 kwh worth of heat energy coming from the surrounding earth and the animals!!! I had assumed that I would need two such piles to keep the temperature at 10 C (50 F) in the coldest winter days of -50 C ( -58 F).ĭue to technical failure of my chipper I was unable to assemble these compost piles. Each of these piles is capable of producing between 9-12kw/h of heat energy for between 16-20 months. I intended to heat the greenhouse with two Jean Paine style compost piles. I've been collecting data this year on its thermal performance. The barn is about 108 m(2) (1,162 sqr ft) and the green house is about 81 m(2) (872 sqr ft) the combined floor space of the two halves of the structure is about 189 m(2) (2034 sqr ft). We have an underground (earth sheltered) greenhouse/barn structure thing that I am hoping will prove very effective in year round food production. Maybe someone building a greenhouse/ barn could find this information and my stats useful!! I wrote the following as a FaceBook post but I really wanted to share it with you all since I'v learned so much from these forums and wanted to sort of pay it back. I finished an earth sheltered greenhouse this fall and have had some encouraging observations to share. ![]() I am a missionary working in Siberia, Russia. ![]()
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