Passive System for Heat and Cold Air to Circulate a Home

In this video, Bob shares insights into an old-school heating technique used by Amish builders-one that’s reminiscent of early 20th-century homes. The story starts with a 1919 house equipped with an octopus furnace, which used natural convection to distribute heat.
Fast forward to today, and Amish builders are still using similar principles, placing wood stoves in basements and allowing heat to rise naturally through the house, with cold air returning through the corners. This simple, duct-free system creates a natural convection cycle, perfect for off-grid homes and cabins without electricity.
Curious about how this works and how it can prevent humidity stratification in your home? Watch now to learn more!
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