"greenhouse ventilation"
1 episodes tagged with this keyword
-
Mark Koernke discussed preparedness projects and upcoming militia meetings in Michigan, particularly in Vassar. He reviewed product deals from Electronic Gold Mine and Honeyville Grains, focusing on rechargeable battery packs, 12-volt DC fans (particularly Apple blower fans), and various electronic components useful for off-grid projects. Caller BK provided vendor warnings about Electronic Gold Mine's pricing tactics and shipping practices. The bulk of the episode covered DIY solar heating systems using cheap fans and salvaged materials, including detailed technical discussion of radial versus axial fans, greenhouse ventilation, and passive solar wall designs that had successfully heated homes in Michigan during winter.