2017 Compost-Based Greenhouse Heating – Part 3
https://www.youtube.com/watch?v=7weq02JHi1U
2017 Compost-Based Greenhouse Heating – Part 2
https://www.youtube.com/watch?v=pZGDIBeBLNs
2017 Compost-Based Greenhouse Heating – Part 1
https://www.youtube.com/watch?v=nR33FIFU3zY&feature=youtu.be Here's part 1 of Morgan Brown's excellent series on how he heats his greenhouse with his compost pile. This insulated in-ground compost box is impressive!