Old Gray Mare
TB Fanatic
Found this interesting. He uses very cheap, simple and sustainable systems to heat a small greenhouse in winter. Decomposing wood chips/compost covered with a tarp provides heat. A small solar panel supplies power.
How it works: A small fan circulates air that gets heated in what looks like heating duct tubing buried in the compost heap. A small water pump circulates water heated in a similar fashion. These are on timers to make most efficient use of available sunlight and power. There is a motion activated light.
What surprises me is the relatively small size of the compost heap. I could imagine this being scaled up. My only concern would be a potential build up of natural gas?
Fair use.
DIY Cheap Winter Greenhouse Heating | Solar/Jean Pain Experiment | Over Two Months Running
Jan 25, 2021
Earthdwellers homestead
View: https://www.youtube.com/watch?v=MF-0JPL_Imk
run time 4:33
How it works: A small fan circulates air that gets heated in what looks like heating duct tubing buried in the compost heap. A small water pump circulates water heated in a similar fashion. These are on timers to make most efficient use of available sunlight and power. There is a motion activated light.
What surprises me is the relatively small size of the compost heap. I could imagine this being scaled up. My only concern would be a potential build up of natural gas?
Fair use.
DIY Cheap Winter Greenhouse Heating | Solar/Jean Pain Experiment | Over Two Months Running
Jan 25, 2021
Earthdwellers homestead
run time 4:33