Andy Gray

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since Jan 15, 2020
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Recent posts by Andy Gray

Thomas,
Thank you for such a quick reply. This greenhouse is a Conleys. It has a 4 foot louver on the roof which opens for passive cooling. It also has two large fans on one side and a wet wall on the other side. It also has roll up sidewalls.  I have been thinking since posting my question. And I believe you are correct and that putting the entire rocket mass heater inside is the best decision. I can put it in the front as you walk through the door on one side. The wall limits sunlight from getting to that side of the greenhouse so putting the rocket mass heater there Will not take up space or at least usable grow space.  I’ll check out those Resources that you listed and thank you. I am in Southern Oregon. The summers are hot and the winter’s although cold are very mild Comparison to Montana winters Or Wisconsin.
5 years ago
Im planning to put a rocket mass heater in a 3000 soft greenhouse.  I have several ideas of how I would like to do it.  If anyone has experience, I would like to ask you some questions.  
1. Can I put the feed on the outside, run the burn chamber under the wall, and the riser and the bell inside.  2. Then run the exhaust pipe under the ground over 100ft to exit under the wall on the other side?  Can I run the exhaust that far?  I’m sure I will lose some btu to the ground, but I would think the majority of the heat would radiate up into the greenhouse.  Do you think this length of run would reduce the air pull and if so, could I add an in-line fan at the end to help pull the air to the end?
How safe do you think it will be running the burn chamber under the wall and if so, how long can I make the burn tunnel?
5 years ago