2 HN users recommended this demo2 months2021–2023score 2
Years with an HN recommendation, 2007–2026
HN points to it as a detailed, DIY-able design for desiccant-based cooling.
Tech Ingredients builds a larger solar-powered desiccant air conditioner that uses a calcium chloride liquid desiccant with evaporative cooling to cool their lab. The video includes the engineering calculations.
“built a dessicant-based air conditioning system with enough info to DIY one.” (HN, 2023)
TechIngredients did an interesting design for a swamp cooler using liquid desiccants: [this video] Haven't yet built one myself, but it looks like a sensible design for climates that aren't overly humid.
Video list and Hacker News comment labels from HackerTube (prompted by @karpathy), released under ODC-By 1.0, built on the open-index/hacker-news archive. Hacker News data is provided by Y Combinator; comments remain the work of their authors. Video titles, channel names and thumbnails belong to their creators and are shown via YouTube. HackerTube Watch is an unofficial edition. Data export of 2026-10-31.
Plays via YouTube's privacy-enhanced embed
3 Hacker News comments
From the HN archive; up to 20 kept per video, favoring different commenters. Recommendations first.
Citations, criticism and jokes