Bonny Convection Bench: Rocket Mass Heaters are super-efficient wood-burning heaters. This example has 8 inch ducting, with air channels over hardwood floor, and currently heats a 3-story, multi-family house in a cool coastal valley. The large day-bed in the bay window and comfortable seating bench are fitted with a redwood vent system, which helps built-in air channels protect the existing hardwood floor while providing passive circulation of warm air to the rest of the house.
The building and maintenance of this project was filmed by Calen Kennett, now available from Village Video.
The printable documentation sold here includes an example of Calen's photography, references, 2 pages of as-built drawings (plans, elevations, sections, and enlarged details), 2 pages of builders' notes including materials and clearances. Prints on 5 pages at 11"x17", PDF format, 3 MB.
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