#passive-cooling

5 articles · 8 raw sources

Architect Magazine 2026-08-01

Magazine that published the December 2020 in-depth article on Harold Hay, Skytherm, and the quest for passive cooling.

SkyCool Systems 2026-08-01

Commercial radiative-cooling company named by MIT Technology Review (Dec 2025) as an active player in the current passive-cooling wave.

Military branch whose circa-1985 Passive Solar Handbook defined passive cooling as air-based ventilation only, omitting Hay, Baer, Zomeworks, and water-based night-sky cooling acro…

US Patent 5,316,872 2026-08-01

1994 Passive Cooling System patent that moved the radiator to the roof with symmetric parallel conduits for balanced thermosiphon flow.

Circa-1985 multi-volume USAF engineering guide (Architectural Energy Corp.) whose air-only definition of passive cooling documents the institutional mainstream that excluded water-…

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