Prev: 73. Groundswell - a passive solar greenhouse designed for northern climatesNext: A BETTER Greenhouse - Passive Solar Greenhouse - Underground Design

Record 101 · Video · 2026
2 Yr proof AFTER building THE ULTIMATE WALIPINI (the WALLI THAT REALLY WORKS! !)
Charity Ewing
“Two-year post-build experience video on creator's walipini.”
Two-year post-build experience video on creator's walipini. oEmbed-verified exact title: 2 Yr proof AFTER building THE ULTIMATE WALIPINI (the WALLI THAT REALLY WORKS! !) Channel: Charity Ewing Title indicates walipini / underground / sunken / earth-sheltered / deep-winter / Chinese passive solar / geothermal greenhouse content.
Evidence tier: video. YouTube video — builder experience, news segment, or educational talk; not peer-reviewed research unless presenting extension research.
video|candidate
- oEmbed-verified exact title: 2 Yr proof AFTER building THE ULTIMATE WALIPINI …
- Channel: Charity Ewing
- Title indicates walipini / underground / sunken / earth-sheltered / deep-wint…
oEmbed-verified exact title: 2 Yr proof AFTER building THE ULTIMATE WALIPINI (the WALLI THAT REALLY WORKS! !)



