people · updated 2026-08-01

Harold Hay

confidence: high volatility: warm

Inventor of the Skytherm roof-pond passive heating and cooling system, whose influence on Zomeworks is documented in Baer's own chapter of Activism in Architecture and whose 1973 Atascadero house demonstrated water-based passive cooling.

Inventor of the Skytherm roof-pond passive heating and cooling system, whose influence on Zomeworks is documented in Baer’s own chapter of Activism in Architecture and whose 1973 Atascadero house demonstrated water-based passive cooling.

Full article: Harold Hay

See also

  • John I. Yellott — provided the site and instrumentation for Hay’s 1967 Phoenix Skytherm prototype